首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
Rome---Doctors and medical groups around the world last weekend reacted with strong oppositio...
查看本题答案
包含此试题的试卷
高中英语《2011年河南实验中学考试试题及答案》真题及答案
点击查看
你可能感兴趣的试题
Ineachofthefollowinggroupsofwordstherearefourunder
medi
c
ine
bi
c
ycle
medi
c
al
c
ertain
实行储蓄保险型医疗保险制度还实行了健保双全和MEDI计划
瑞典
新加坡
美国
德国
offi
c
ial
medi
c
ine
pronun
c
iation
physi
c
ist
单项选择题Ineachofthefollowinggroupsofwordstherearefour
medi
c
ine
bi
c
ycle
medi
c
al
c
ertain
Thedrinkingwaterinthevillageisheavilypollutedbythe
A. supplied
to be supplied
supplying
being supplied
Thenewhospitalwas____openedthismorningattractingth
A.officially
automatically
directly
potentially
Filescanbelostordestroyedaccidentally．Keep74copies
backup
back
black
backdo
Chinesenetizens网民doubt______theycalledWesternfreed
A.that
which
what
Whether
Morethan10000households________theirpowerandwaterc
A.have had
had had
have
had
Sometimesit’sdifficultforthepublictolearnaboutthet
A. because
unless
when
since
8载频配置的G3MEDI架上UT_TRE58为TRE
4
5
6
7
InChinawomenwhoremainsingleintheirthirtiesareoften
A. objected to
pointed to
turned to
referred to
G3BTS的基本组成模块是G3BTSmedi架最多可支持个cell/RACK
10/6/6的配如果使用单载频置最少需个G3MEDI架个ANC个ANY同样配置使用双载频则最少需1个
A.medicine B.bicycle C.medical D.certain
Thenewhospitalwasopenedthismorningattractingtheatt
A. officially
automatically
directly
potentially
IcannotunderstandwhytheissueofSyriahasbecomesocomp
A.after
before
while
when
866的配置使用单载频最少需个G3MEDI架3个ANC个ANY同样配置使用双载频则最少需个G3MED
1266的配置如果使用单载频最少需个G3MEDI架4个ANC个ANY同样配置使用双载频则最少需1个G
866的载频配置最少需多少个卡特G3MEDI架
1
2
3
4
热门试题
更多
Themodernmobilephoneisamorecomplexversionofthetwowayradiowhichwasaverylimitedmeansofcommunication.Assoonastheusersmovedoutofrangeofeachother’sbroadcastareathesignalwaslost.Inthe1940sresearchersbeganexperimentingwiththeideaofusinganumberofradiomasts天线塔standingaroundthecountrysidetopickupsignalsfromtwo-wayradios.Thefirstrealmobiletelephonecallwasmadein1973byDrMartinCooperthescientistwhoinventedthemodernmobilehandset.WithinadecademobilephonesbecameavailabletothepubliC.Thestreetsofmoderncitiesbegantofeaturesharpsuitedcharactersshoutingintogiantplasticbricks.InBritainthemobilephonequicklybecamesynonymous等于withtheyuppiethenewbreedofyoungurbanprofessionalswhocarriedtheexpensivehandsetsasstatussymbols.AroundthistimemanyofussworethatwewouldnevereverownamobilephonE.Butinthemid-90ssomethinghappeneD.CheaperhandsetsandcheapercallingratesmeantthatalmostovernightitseemedthateveryonehadamobilephonE.Andthegiantplasticbricksofthe80shadevolvedintosmoothlittleobjectsthatfittednicelyintopocketsandbags.Citiessuddenlyhadanewpostmodernbirdsong.AlexanderGrahamBellwouldbeamazedifhecouldseehowfarthescienceoftelephonyhasprogressedinlessthan150years.Ifhewerearoundtodayhemightsay:That’sgr8!ButI’mvbusyritenow.WillcallU2nitE.60.Modernmobilephonetechnologyisbasedon.A.theyuppieB.theInternetC.thetwowayradioD.globalpositioningsystem61.Morepeopleboughtmobilephonesinthe1990sbecause.A.theywerebadattimekeepingB.theywantedtotakephotographsC.mobilephonesbecamealotcheaperD.traditionalphonesdidn’tworkanymore62.TheunderlinedwordevolvedinParagraph3probablymeans.A.brokenB.changedC.cutD.taken63.WhatdoesthetextmessageGr8!WillcallU2nitE.mean?A.Great!I’llcallyoutonight.B.Great!I’llbetwominuteslatE.C.Great!PleasecallWilliamtonight.D.Great!Pleasecallmesometimetonight.
Sofarscientistshavenamedabout1.8millionlivingspecies物种andthat’sjustasmallpartofwhatprobablyexistsonEarth.Withsomanyplantsanimalsfungiandotherorganismscoveringtheplanetitcanbetoughtofigureoutwhattypeofspideriscrawlingupyourlegorwhatkindofbirdjustflewby.Asoon-to-be-launchedWebsitemighthelp.AninternationalteamofresearchershasannouncedthecreationofaWeb―basedEncyclopediaofLifeEOL.TheprojectaimstocatalogueeveryspeciesonEarthinasingleeasy-to-usereferenceguide.Togettheencyclopediastartedthecreatorswilluseinformationfromscientificdatabasesthatalreadyexist.Andeventuallyinspecialsectionsofthesitenonscientistswithspecializedknowledgewilljoin.Gardenersforexamplewillbeabletorecordthedatesthattheirflowersfirstbloomeachyear.Bird-watcherswillbeabletoinputwhichbirdsthey’veseenandwhere.Thetechnologyforthiskindoftoolhasonlyrecentlybecomeavailable.AstheEOLdevelopsyoumightfinditusefulforschoolprojects.Thesitewillhavespecialpagesforkidswhoarestudyingecosystemsintheirneighborhoods.Tomakesuretheencyclopediaisaccuratescientistswillreviewmuchoftheinformationaddedtoit.Peoplewhovisitthesitewillbeabletochoosetoskippagesthathaven’tbeenreviewed.AnotherconvenientcharacteristicoftheEOListhatyou’11beabletopickthelevelofdetailyouseetomatchyourinterestsageandcurrentknowledgE.Ifyouwantedtolearnaboutpolarbearsforascienceclassreportforexampleyoucouldusethenovicesettingtogetbasicinformationabouttheanimals.Ontheexpertsettingontheotherhand.youcouldgetmuchmoredetailedinformationaboutthehistoryliteratureandexplorationofpolarbears.Itnowtakesyearsforscientiststocollectallthedatatheyneedtodescribeandanalyzespecies.ThecreatorsoftheEncyclopediaofLifehopethattheirnewtoolwillspeedthatprocess.Keepaneyeonwww.eol.org.Pageswillbegintogoupsometimenextyearandyoumightfindthemusefulforyourschoolreports.TheEOLteammighthavethebasicsforall1.8millionentriesonlineasearlyas2017.Somedayyoumightaddyourownnotes.51.WhatisimpliedinthelastsentenceofParagraph1?A.Noonecanbecomeanexpertonspidersandbirds.B.Somanyspidershavecrawledupyourleg.C.Therearefarmorethan1.8millionlivingspecies.D.Scientistshavenamedalotoflivingspecies.52.WhichofthefollowingstatementsisTRUE?A.Youcanfindinformationofalllivingspeciesonlinein2017.B.NonscientistswillbeabletoaddtheirownnotestothewebsitE.C.Thekidspreparingschoolreportscannothaveaccesstotheinformat’0n’D.Youarenotfreetochoosetheamountofdetailedinformation.53.WhatdoestheunderlinedwordnoviceprobablymeaninParagraph5?A.Beginner.B.Specialist.C.Scientist.D.Pupil.54.Whoaretheintendedreadersofthispassage?A.Students.B.Researchers.C.BirdwatchersorGardeners.D.Peopleingeneral.55.Whatisthebesttitleforthepassage?A.ExploringPolarBears.B.VisitOurWebsiteNow.C.HowtoDoSchoolProjects.D.E.-bookofLife.
Indonesiaisknownasthecountryofislands.Ithas17508.ButinrecentyearsthepopulartouristdestinationhaslostsomeofitsshinE.Duetorisingsealevelscausedbyglobalwarming24IndonesianislandshavegoneundertheseA.Scientistssay2000morewilldisappearbefore2030.InthepastthreeyearsthesoutheastAsiannationalsowitnesseditsislandsdestroyedbyatsunami海啸andtyphoons.Ifnomeasuresaretakentofightclimatechangethebeautifulislandswillgoforever.scientiststoldenvironmentalministersfromabout190countriesataUNclimatechangemeeting.ThisweektheyaremeetinginBalianIndonesianislands.Theyaretryingtoreachadealtocuttheworld’semissions排放ofCO2whichmakestheearthwarmer.IndonesiaisnotalonE.ThisyearhasbeenmoreextremeweatherhittheworlD.CanadaandUSsufferedheavystormsandtyphoonsWhileAustralianswerecaughtintheheaviestdroughtinacentury.InChinatheaveragetemperaturethisyearwentupby1.2℃fromlastyearreachingthehighestonrecordsince1951.FromJiangxiandHunaninthesouthtoHeilongjiangandJilininthenortheastonethirdoffarmlandhassufferedfromadrought.Howeverotherpartsofthecountrygottoomuchrain.Morethan700peoplewerekilledinfloodslandslides泥石流andstorms.TheseweatherextremearethemoreobviouseffectsofglobalwarmingsaidSongLianchunaclimateexpert.Scientistssaytimeisrunningout.ToescapefromtheworsteffectsglobalCO2emissionsneedtobecutfromthelevelstheywereatin2000by50to85percentby2050.Butinrecentyearsclimatechangetalkshavebeenboggeddownbyargumentsoverwhowillpaythebillforcleanertechnology.Developingcountriesareworriedthatthecutinemissionswillslowtheireconomicdevelopment.ChinawillplayaresponsibleandconstructiveroleinthemeetingsaidChinesePremierWenJiabao.Thenationisnowtheworld’ssecondlargestgreenhousegasemitter排放者.HoweverdevelopednationsshouldhelpdevelopingnationsdealwiththeglobalissuE.67.Whichofthefollowingisinthecorrectorder?A.MoreandmoreislandsaregoingundertheseaB.Thesealevelsarecontinuouslyrising.C.TheweatherisgettingwarmerandwarmerD.EmissionofCO2isincreasing.A.abcdB.bcdaC.cbadD.dcba68.Whatdoesthephraseextremeweathermeaninthestory?A.TemperaturesarerisingallovertheworlD.B.Badweatherlikefloodsdroughtandlandslideshappeninsomecountries.C.Moreandmorefarmlandiseatenupbydesert.D.Itpoursdowninsomeplaceswhileitdoesn’trainatallinotherplaces.69.Climatechangetalkshavebecomeboggeddownbecausecountriescannotagreeon____________.A.whoshouldberesponsibleforcausingclimatechangeB.whowillpayforthecleanertechnologyneededtotackle处理climatechangeC.whetherdevelopednationsshouldhelpdevelopingnationsinsolvingclimatechangeD.whetherdevelopingnationsshouldcutemissionofCO270.WhatisChina’sattitudetowardsdealingwithproblemsofclimatechange?A.Chinawillpayforthecleanertechnology.B.ChinawilltakeanactivepartindealingwithclimatechangE.C.Chinathinkitisdevelopednations’responsibilitytodealwithclimatechangE.D.ChinawilldependondevelopednationstohelpittosolveclimatechangE.
Anyonewhoeverwonderedwhyadyingplantsayafreshly-cutredrosemayappealtoaladyfriendmighttakesomecomfortinsciencewhichonceagainoffersusareasonableanswertooneoftheworld’sgreatmysteries.Beyondacommonpreferenceinpeopleforbluethelonghistoryofcolorpreferencestudieshasbeendescribedas‘confusingandcontradictorywritescientistsAnyaHurlbertandYazhuLingofEngland’sNewcastleUniversityauthorsofanewstudyinthejournalCurrentBiology.Thisfactisperhapssurprisingtheysaidthoughthepopularityoftheconceptthatlittlegirlsdifferfromboysinpreferringpink.Butthescientistsbelievetheyhaveananswertothisscientificmysterydiscoveringwomen’spreferenceforredhiddenabovetheaveragelikingforbluE.Intheirstudythepairquicklyflashedcolorcardsdisplayingmanydifferentaspectsat208volunteersmostlyBritishersbutwithanumberofHanChinesewhomovedtotheUnitedKingdomrecently.Testedinthreedifferentexperimentstheresearchersfoundoutasmallbutsignificantpreferenceforreddishcolorsinthefemalevolunteers.PuzzledtheauthorsrealizedthatmostofthedifferencebetweenmenandwomencameintheformofapreferenceforgreenVSredinthecolorcardsregardlessoftheotherslightdifferencessuchastheslightlyblueonesthateveryonelikeD.Whymightthisbe?Evolutionmightofferananswertheyreason.Humancolorperception感知theassessmentofthreeseparatecolortypes-red-green-blue-inourvision视觉isarelativelyrecentadditiontoourlineofmammals脯乳动物.Addingweighttotheirargumenttheyfoundthewomenwhoaremosttypicallyfeminine女性的onapsychologicalsurveyalsohadthebiggestpreferenceforreddishcolors.MyloveislikearedredrosewrotetheScottishpoetRoberBurnsin1794.63.Thescientistsdiscoveredthecolourmysterythatexistsbetweenmenandwomenby_____.A.givingexamplesB.doingexperimentsC.statingcausesandeffectsD.interviewingvolunteers64.ThewordpairinParA.4refersto_____.A.manandwomanB.scienceandevolutionC.AnyaHurlbertandYazhuLingD.redandgreen65.Accordingtothestudythescientistshavecarriedoutinthepassage_____.A.menlikebluemostB.womenhavepreferenceforredbesidesblueC.generallyspeakingboyspreferslightpinktoblueD.girlsalsoloveslightgreen66.Whatdoesthefirstparagraphprobablytellus?A.SciencecanmakepeoplefeelmorecomfortablE.B.Whenweareboredwecanturntoscienceforhelp.C.Sciencecanmakeourstudyconfusingandcontradictory.D.Scientificresearchcontributestopeople’sdiscoveringthemystery.
SpecialBridgesHelpAnimalsCrosstheRoad―ReportedbySheilaCarrickWhydidthechickencrosstheroad?TogettotheothersidE.MostpeopleknowthisjokE.Butrecentlysomepeoplehavebeenmuchmoreworriedabouthowthegrizzlybear灰熊andmountainlioncancrosstheroaD.MillionsofanimalsdieeachyearonU.S.roadstheFederalHighwayAdministrationreports.Infactonlyabout80ocelotsanendangeredwildcatexistintheU.S.today.Themainreason?Roadkill.Ecopassages生态通道mayhelpanimalscrosstheroadwithoutbeinghitbycars.Theyarepathsbothoverandunderroads.TheseecopassagescanbeextremelyusefulsothatwildlifecanavoidroadaccidentssaidJodiHiltyoftheWildlifeProtectionSociety.Butdoanimalsactuallyusetheecopassages?Theanswerisyes.PaulBeierofNorthernArizonaUniversityfoundfootmarksleftbymountainlionsonanecopassagethatwentunderahighway.ThisshowedthatthelionsusedthepassagE.Buildersofecopassagestrytomakethemlooklikeanaturalpartofanareabyplantingtreesonandaroundthem.Animalsseemtobecatchingon.Animalsasdifferentassalamanders火蜥蜴andgrizzlybearsareusingthebridgesandunderpasses.ThenexttimeyouvisitaparkordrivethroughanareawithalotofwildlifelookarounD.Youmightseeananimaloverpass!60.Thewriterusestheexampleofocelotstoshowthat_______.A.wildanimalshavebecomemoredangerousB.thedrivingconditionshaveimprovedgreatlyC.themeasureforprotectingwildlifefailstoworkD.anincreasingnumberofanimalsarekilledinroadaccidents61.Fromthenewsstoryweknowanecopassageis________.A.anundergroundpathforcarsB.afencebuiltforthesafetyoftheareaC.abridgeforanimalstogetoverariverD.apathforanimalstocrosstheroad62.Whenthewritersaysthatanimalsseemtobecatchingonhemeans________.A.animalsbegintorealizethedangersontheroad60.D.通过ocelots的例子来说明前面MillionsofanimalsdieeachyearonU.S.roads这句话61.D.Ecopassages生态通道mayhelpanimalscrosstheroadwithoutbeinghitbycars帮助动物穿过马路而不被车碰撞62.B.从Animalsseemtobecatchingon.Animalsasdifferentassalamanders火蜥蜴andgrizzlybearsareusingthebridgesandunderpasses.这句话可知动物在使用这些桥和路63.D.让人们过马路时注意保护动物不要碰撞到他们B.animalsbegintolearntouseecopassagesC.animalsarecrossingtheroadingroupsD.animalsareincreasinginnumber63.Thewriterasksvisitorsanddriverstolookaroundwhentravelingbecause________.A.wildanimalsmayattackcarsB.wildanimalsmayblocktheroadC.theymayseewildanimalsintheparkD.theymayseewildanimalsonecopassages
Theregularuseoftextmessagesande-mailscanlowertheIQmorethantwiceasmuchassmokingmarijuana大麻.Thatistheclaimofpsychologistswhohavefoundthattappingawayonamobilephoneorcomputerkeypadorcheckingthemforelectronicmessagestemporarilyknocksuptotenpointsofftheuser’sIQ.Thisrateofdeclineinintelligencecomparesunfavorablywiththefour-pointdropinIQassociatedwithsmokingmarijuanaaccordingtoBritishresearcherswhohavelabeled把称为thefleetingphenomenonofenhancedstupidityasinfomania.ThenoticeabledropinIQisbelievedtobetheresultoftheconstantdistractionofalwaysontechnologywhenemployeesshouldbeconcentratingonwhattheyarepaidtodo.InfomaniameansthattheyloseconcentrationastheirmindsremainfixedinanalmostpermanentstateofreadinesstoreacttotechnologyinsteadoffocusingonthetasksinhanD.Thebrainalsofindsithardtodealwithkeepinglotsoftasksinmotionatoncereducingitsoveralleffectiveness.Whilemoderntechnologycanhavehugebenefitsexcessive过度的usecanbedamagingnotonlytoaperson’smindbuttohisorhersociallifE.EightyvolunteerstookpartinclinicaltrialsonIQdamageand1100adultswereintervieweD.Morethansixintenpeoplepolledadmittedthattheywereaddictedtocheckingtheire-mailsandtextmessagessothattheyexaminedwork-relatedonesevenwhenathomeoronholiday.Halfsaidthattheyalwaysrespondedimmediatelytoane-mailandoneinfivewouldinterruptameetingtodoso.Furthermoreinfomaniaishavinganegativeeffectonworkcolleaguesincreasingstressanddisagreeingfeelings.Nineoutoftenpolledthoughtthatcolleagueswhoanswerede-mailsormessagesduringaface-to-facemeetingwereextremelyrudE.YetoneinthreeBritonsbelievedthatitwasnotonlyacceptablebutactuallydiligentandefficienttodoso.68.Whatdoestheunderlinedpartmean?A.A.person’sIQdropstenpointsifheorshealwayscheckselectronicmessages.B.ThepersonwhohasahigherIQenjoyscheckingelectronicmessages.C.ThepersonwhohasalowerIQenjoyscheckingelectronicmessages.D.A.person’sIQistenpointshigherifheorshealwayscheckselectronicmessages.69.Whathappenstopeoplewithinfomania?A.PeoplewithinfomaniacanonlyconcentrateontheirtasksinhanD.B.PeoplewithinfomaniaareaddictedtosmokingmarijuanA.C.Peoplewithinfomaniacan’trespondtotechnologyimmediately.D.Peoplewithinfomaniacan’tconcentrateontheirtasksinhanD.70.FromthepassagewecanlearnthatA.about550intervieweesrespondedtoane-mailimmediatelyB.about670intervieweesrespondedtoane-mailimmediatelyC.about40takingpartinclinicaltrialsonIQwereaddictedtocheckinge-mailsD.about16takingpartinclinicaltrialsonIQrefusedtoanswere-mailsimmediately71.Whatisthemainideaofthispassage?A.Theregularuseoftextmessagesande-mailscanbecomparedtosmokingmarijuanA.B.Moderntechnologycandamageaperson’sminD.C.Theregularuseoftextmessagesande-mailscanharmyourIQ.D.Electronicmessagescanhavesideeffectsontheuser’slifE.
NASAismovingaheadwithplanstoputalong-armedLanderonMars’icyNorthPoletosearchforcluesforwaterandpossiblesignsoflifE.The$386millionPhoenixMarsisplannedtotouchdownintheMartianarcticin2008.ThestationaryprobewilluseitsroboticarmtodigintotheicylandandpickupsoilsamplestoanalyzE.In2002theMarsOdysseyorbiterspottedevidenceofice-richsoilnearthearcticsurfacE.ScientistshopethePhoenixmissionwillfindcluestothegeologichistoryofwaterontheRedPlanetanddeterminewhethermicrobesexistedintheicE.PhoenixwillbethefirstmissionoftheMarsScoutprogramarenewedlow-costefforttostudytheRedPlanet.ThePhoenixmissionexploresnewterritoryinthenorthernplainsofMarsanalogoustothepermafrostregionsonEarthPeterSmithsaiD.TruetoitsnamePhoenixrosefromtheashesofpreviousmissions.ThelanderforPhoenixwasbuilttoflyaspartofthe2001MarsSurveyorprogram.Buttheprogrambrokedownafterthewell-knowndisappearanceoftheMarsPolarLanderin1999.ThePolarLanderlostcontactduringalandingattemptneartheplanet’ssouthpoleafteritsrocketengineshutoffprematurelycausingthespacecrafttofallabout130feettoalmostcertaindestruction.ThePhoenixprobehadbeeninstorageataLockheedMartincleanroominDenverbeforeitwasreusedforitspresentmission.ItwillcarryscienceinstrumentsthatweredesignedfortheMarsSurveyorprogramincludinganimprovedpanoramiccameraandatrench-diggingroboticarm.PhoenixwillliftofffromtheKennedySpaceCenterinAugust2007andlandontheplanetninemonthslater.46.Thepassagemainlytellsreadersthat_________.A.cluesofwaterwillbefoundinPhoenixB.PhoenixwillbesenttofindcluesofwateronMarsC.August2007willseePhoenixliftoffD.theMarsScoutprogramwillbecarriedout47.Theunderlinedwordprematurelyparagraph5means_________.A.ontimeB.behindthetimeC.outofworkD.aheadoftime48.AccordingtothepassageweknowPhoenixwilllandonMars_________.A.inMay2008B.inAugust2007C.inAugust2008D.inSeptember200849.AccordingtothepassagethenamePhoenixisafterthemeaningof_________.A.rebirthB.deathC.energyD.hope50.AfterPhoenixlandsonMarswecaninferitwillfirstly_________.A.findsoilsamplesandsendthemtotheearthB.lookfortheicylandtodigforthesoilsamplesC.takephotosandsendthemtotheearthD.findtheremainsoftheMarsPolarLander
Americanresearcherssaydrinkingteamayhelpstrengthenthebody’sdefensesystemagainstinfection感染.DoctorsatBrighamandWomen’sHospitalinBostonMassachusettsdidthestudy.TheteamstudiedachemicalfoundinblackgreenoolongandpekoeteA.Thischemicalisanaminoacid氨基酸calledL-theaninE.ThescientistssayitmayincreasethestrengthofGammadeltaTcellswhicharepartofthebody’sdefenses.Firsttheresearchersmixedsomeofthesecellswithantigens抗原foundintheaminoaciD.Antigenshelpthebodyreacttoinfection.Thenthescientistsaddedsomebacteria细菌.Withintwenty-fourhoursthecellsproducedalotofinterferonasubstancethatfightsinfection.Cellsnotmixedwiththeantigensdidnotproduceinterferon.Inthesecondpartofthestudyelevenpeopledrankfivetosixcupsofblackteaeveryday.TenotherpeopledrankthesameamountofinstantcoffeE.Thatisdriedcoffeemixedwithhotwater.Twoweekslaterandagaintwoweeksafterthattheresearcherstestedthebloodofalltwenty-onepeoplE.Theyalsolookedatwhathappenedwhentheyaddedbacteriatothebloodcells.TheyfoundthattheteadrinkersproducedfivetimesmoreinterferonaftertheystarteddrinkingteA.Thecoffeedrinkersdidnotproduceinterferon.DoctorJackBukowskiledthestudy.HesaystheantigensaddedtotheGammadeltaTcellswereresponsiblefortheincreasedreactiontothebacteriA.HesaysthestudyalsoshowedthatthecellswereabletorememberthebacteriaandfightthemagainthenexttimE.Earlierresearchalreadyhasfoundthatteacanhelppreventheartdiseaseandcancer.DoctorBukowskisaysthenewstudymustberepeatedwithmorepeoplE.Ifthefindingsprovetobetruehesaysthenteadrinkingmightalsohelpprotectagainstbacterialinfections.HesaystheaminoacidL-theaninecouldberemovedfromteaandusedasadrugtostrengthenthebody’sdefenses.67.Wemayknowfromthetextthat_____canbefoundindifferentkindsofteA.A.GammadeltaTcellsB.L-theanineC.interferonD.bacteria68.Teamayhelpstrengthenthebody’sdefensesystembecauseithelps_____.A.thebodytoproducemoreinterferonB.thebodytoproducemoreGammadeltaTcellsC.toaddsomebacteriatothebloodcellsD.tomixantigenswithsomeofthecellsinthebody69.AccordingtoDrBukowski_____.A.thefindingsofthestudyhavealreadyprovedtobetrueB.hehastakensomeaminoacidL-theaninefromteaandmadeadrugwithitC.furtherstudyisneededtoprovethefindingstrueD.heisnotsurewhetherteacanhelppreventheartdiseaseandcancer70.Whatwouldbethebesttitleforthistext?A.TeaIsBetterThanCoffeE.B.TeaMayHelpFightInfectionC.TeaCanHelpPreventCancer.D.OurBodyNeedsTea
UntilrecentlythescienceofthefuturewassupposedtobeelectronicsandartificialintelligencE.Todayitseemsmoreandmorelikelythatthenextgreatbreakthroughsintechnologywillbebroughtthroughacombinationofthosetwoscienceswithorganicchemistryandgeneticengineering.Thiscombinationisthescienceofbiotechnology.Organicchemistryenablesustoproducemarveloussynthetic合成的materials.HoweveritisstilldifficulttomanufactureanythingthathasthecapacityofwooltoconserveheatandalsotoabsorbmoisturE.Nothingthatwehavebeenabletoproducesofarcomesanywherenearthecombinationofstrengthlightnessandflexibilitythatwefindinthebodiesofordinaryinsects.Neverthelessscientistsinthelaboratoryhavealreadysucceededingrowingamaterialthathasmanyofthecharacteristicsofhumanskin.Thenextstepmaywellbebiotechheartsandeyeswhichcanreplacediseasedorgansinhumanbeings.Thesewillnotberejectedbythebodyasisthecasewithorgansfromhumans.Theapplicationofbiotechnologytoenergyproductionseemsevenmorepromising.In1996thefamoussciencefictionwriterArthurC.Clarkemanyofwhosepreviouspredictionshavecometruesaidthatwemaysoonbeabletodevelopremarkablycheapandrenewablesourcesofenergy.Someofthesepowersourceswillbebiological.Clarkeandothershavewarnedusrepeatedlythatsoonerorlaterwewillhavetogiveupourdependenceonnon-renewablepowersources.Coaloilandgasareindeedconvenient.Howeverusingthemalsomeanscreatingdangerouslyhighlevelsofpollution.Itwillbeimpossibletomeetthegrowingdemandforenergywithoutincreasingthatpollutiontocatastrophic灾难性的levelsunlesswedeveloppowersourcesthatarebothcheaperandcleaner.Itisattemptingtothinkthatbiotechnologyorsomeotherscienceofthefuturecansolveourproblems.Beforewesurrendertothattemptationweshouldremembernuclearpower.Onlyafewgenerationsagoitseemedtopromiselimitlesscheapandsafeenergy.TodaythosepromiseslieburiedinaconcretegraveinaplacecalledChernobyl切尔诺贝利intheUkrainE.Biotechnologyisunlikelyhowevertobreakitspromisesinquitethesameorsuchadangerousway.68.Accordingtothepassagethescienceofthefutureislikelytobe__________.A.electronicsB.biotechnologyC.geneticengineeringD.nucleartechnology69.Organicchemistryhelpstoproducematerialsthatare__________.A.asgoodaswoolB.asgoodasaninsect’sbodyC.notasgoodasnaturalmaterialsD.betterthannaturalmaterials.70.Accordingtothepassageitmaysoonbepossible__________.A.tomakesomethingasgoodashumanskinB.toproducedrugswithoutsideeffectsC.totransplanthumanorgansD.tomakeartificialheartsandeyes71.In1996ArthurC.Clarkepredictedthat___________.A.biologicalpowersourceswouldbeputintousesoonB.oilgasandcoalcouldberepeatedlyusedinthefutureC.dependenceonnon-renewablepowersourceswouldbereducedsoonD.theChernobyldisasterwouldhappenintwoyears72.Whatdowelearnfromthelastparagraph?A.Biotechnologycansolveallourfutureenergyproblems.B.Biologicalpowerischeaperthannuclearpower.C.Biologicalpowermaynotbeasdangerousasnuclearpower.D.Biologicalpowerwillkeepallitspromises.
Girlsreallypreferpinkandboyspreferbluerecentresearchshows.ThereasonscouldhaveitsoriginsinthehuntforfoodontheAfricansavannah稀树草原thousandsofyearsago.Evolutionmayhavedevelopedwomen’spreferenceforpinkperhapsbecauseithelpedtofindripefruitandhealthymenwithreddishfaceswhilebothmenandwomenhaveanaturaldesireforblueaccordingtoscientistsatNewcastleUniversity.Everyoneintoday’swesternculturefromparentstotoymanufacturesseemstoassumethatlittlegirlslikepink.SaidProf.AnyaHulbertwhowantedtofindoutwhetherthereasonwasculturalortodowithbiology.Aloveofsalmonfuchsiaandcoraldoesseemtoberootedintofemalesratherthanpickedupfromtheirmothers.TheparticipantsinthestudywereChineseandBritish.TheChinesestudentsshowedamarkedpreferenceforredCulturemaycontributetothisnaturalfemalepreferencesaidPro.Hulbert.Inherexperience208youngadultmenandwomenwereaskedtoselectasrapidlyaspossibletheirpreferredcolor.HulbertandhercolleagueDr.YazhuLingmarkedtheresultsandfoundthatwhilemenpreferredbluewomentendedtochoosepink.Hulbertsaidshecouldonlypreferaboutthepreferenceforblue:HereagainIwouldfavorevolutionaryarguments.Goingbacktooursavannahdayswewouldhaveanaturalpreferenceforaclearblueskybecauseitsignaledgoodweather.ClearbluealsosignalsagoodwatersourcE.51.ThepassagementionstheAfricansavannahtoshowthat_____.A.theancientAfricawasaabeautifulplaceB.humanbeingslivedinAfricaatfirstC.womenandmenhavedifferentcolorpreferenceD.colorpreferencehasitshistoricalorigins52.Itcanbeinferredthattheunderlinedwordfuchsia_____.A.isprobablyakindoftoyB.isprobablypinkincolorC.canbeonlyfoundinAfricaD.hardlycausesmen’sinterest53.BysayingtheChinesestudentsforreD.InParA.5thewritermeans_____.A.redistheChinesestudents’favoritecolorB.theChinesepreferredmorethantheBritishC.cultureinfluencespeople’scolorpreferencesD.thestudywascarriedoutbytwonations54.Whatcanweknowfromthelastparagraph?A.HulbertthinksevolutionexplainswhypeoplepreferbluE.B.Hulberthasastrongdesireforsavannahdays.C.BlueisanaturalsignalofmanygoodthingsD.Whileboyslikebluegirlslikepink.
Beyondtwoorthreedaystheworld’sbestweatherforecastsaredoubtfulandbeyondsixorseventheyareworthless.TheButterflyEffectisthereason.Forsmallpiecesofweather―toaglobalforecastersmallcanmeanthunderstormsandblizzards暴风雪―anypredictionbecomesworserapidly.Errorsanduncertaintiesincreasefromdustdevilsandstormsuptocontinent-sizeeddies旋涡thatonlysatellitescanseE.Themodernweathermodelsworkwithnet-likepointssixtymilesapartandevensosomestartingdatahavetobeguessedsincegroundstationsandsatellitescannotseeeverywherE.Butsupposetheearthcouldbecoveredwithsensorsplacedonefootapartrisingatone-footintervalsallthewaytothetopoftheatmospherE.Supposeeverysensorgivesperfectlyaccuratereadingsoftemperaturepressurehumidity湿度andanyotherdataaweathermanwouldwant.Exactlyatnoonapowerfulcomputertakesallthedataandcalculateswhatwillhappenateachpointat12.01then12.02then12.03thecomputerwillstillbeunabletopredictwhetherPrincetonwillhavesunorrainonemonthaway.Atnoonthespacesbetweenthesensorswillhidefluctuations波动thatthecomputerwillnotknowabout.By12.01thosefluctuationswillalreadyhavecreatedsmallerrorsonefootaway.Soontheerrorswillhaveaddedtotheten-footscaleandsoonuptothesizeoftheglobE.72.Aweatherforecast______intheworlD.A.isreliablewithinoneortwodaysB.isdoubtfulbeyond24hoursC.becomesuselessbeyondtwoorthreedaysD.isstillworthwhileinsevendays73.Usuallythereisaweathersub-station______.A.ineverycityB.every60milesC.betweentwocitiesD.everyonefoot74.Whichofthefollowingstatementsistrue?A.PeoplehavenotplacedsensorsonefootapartintheatmospherE.B.ScientistshavealreadyputsensorsonefootapartintheworlD.C.Everysensorgivesperfectlyaccuratedataaweathermanwants.20090531D.Groundweatherstationsandsatellitescanseeeveryplaceonearth.75.Ourcomputerwillnotbeabletoknowaboutfluctuationsbecause______.A.thesensorsarenotgoodenoughB.theyarehiddenbythespacesbetweenthesensorsC.theyaretoofarawayD.theymoveveryfast
Coketownwasatownofredbrickorofbrickthatwouldhavebeenredifthesmokeandasheshadallowedit;butinfactitwasatownofunnaturalredandblacklikethepaintedfaceofsavage野人.Itwasatownofmachineryandtallchimneyoutofwhichsmoketrailedthemselvesforeverandever.Ithadablackcanalinitandariverthatranpurplewithillsmellingcolorandlargepilesofbuildingfullofwindowswheretherewasarattlingandatremblingalldaylongandwherethesteam-engineworkedupanddownliketheheadofanelephantinastateofmadness.Thetowncontainedseverallargestreetsallverylikeoneanotherandmanysmallstreetsstillmorelikeoneanotherinhabitedbypeopleequallylikeoneanother.Asunnymidsummerday.TherewassuchathingsometimeseveninCoketown.SeenfromadistanceinsuchweatherCoketownlaycoveredinasmokeofitsown.Youonlyknewthetownwastherebecauseyouknewtherecouldhavebeennosuchaplaceupontheviewwithoutatown.ThestreetswerehotanddustyonthesummerdayandthesunwassobrightthatitevenshonethroughthesmokeoverCoketownandcouldnotbelookedatsteadily.Workersappearedfromlowundergrounddoorwaysintofactoryyardsandsatonstepswipingtheirfacesandlookingatcoals.Thewholetownseemedtobefryinginoil.TherewasasmellofhotoileverywherE.Theatmosphereofthoseplaceswaslikethebreathofhell地狱andtheirinhabitantswastingwithheatwalkedlazilyinthedesert.Butnotemperaturemadethemadelephantsmoremadormoresane理智的.Theirtiresomeheadswentupanddownatthesanerateinhotweatherandincoldwetweatheranddry.Themeasuredmovementoftheirshadowsofwood;whileforthesummernoiseofinsectsitcouldofferalltheyearroundfromthedawnofMondaytothenightofSaturday.67.WhichofthefollowingwordsisNOTproperlyusedtodescribeCoketown?A.unpleasantB.dirtyC.noisyD.deserted68.FromthepassageweknowthatCoketownwasmainlyan_____town.A.industrialB.agriculturalC.historicalD.cultural69.Only_____werenotaffectedbyweather.A.theworkmenB.thehabitantsC.thesteam-enginesD.thewoods70.Whichistheauthor’sopinionofCoketown?A.CoketownshouldbereplacedbywoodsB.ThetownhadtoomuchoilinitC.ThetownwasseriouslypollutedD.Thetown’satmospherewasunchanged
UntilMarch28thefateofthegraywolfintheRockyMountainswasinthehandsofthefederalgovernmentbecausethewolfwaslistedasanendangeredspecies.Butonceitwasremovedfromthelist―adecisionthatisbeingchallengedincourtbyadozenconservationgroups―thegraywolffellundertheprotectionofindividualstates.Thatisturningouttomeanalmostnoprotectionatall.Idaho’sFishandGamedepartmentannouncedlastweekthatitwouldallow428ofthestate’sestimated1000wolvestodiethisyear.Somewilldieofnaturalcauses.Mostwillbekilledbyhunters.Idahoofficialsarguethattheremainingpopulationwillstillbelargerthantheverysmallnumbertobeprotectedintheoriginalfederalwolfrecoveryplans.ButIdaho’sFishandGamedepartmenthasoverruleditsownstaffbiologistswhoforthegoodofthewolfpopulation―andtheecosystem生态系统asawhole―arguedthatmoreanimalsshouldbeallowedtosurvivE.SadlyinIdahowolvesarenothingmorethananothergameanimaltobemanagedforthebenefitofhumanhunters.BeginningonSept.15anyIdahohunterwithahuntinglicenseand$10.50forawolftagwillbeentitledtoshootonewolfatleastuntilthequota限额ofdeadwolvesinhisregionhasbeenreacheD.Andhowwillahunterknowifthelocalquotahasbeenreached?TherewillbeahotlineofcoursE.HunterswillbeencouragednottoshootwolveswearingradiocollarsbecausethosewolvesarestillbeingstudieD.Perhapsthesolutionistofitallwolveswithradiocollars.ItisstillpossiblethatIdaho’swolves―andthewolvesinotherstates―willgetareprieve.A.federaljudgewillsoondecidewhethertosupportorobjecttothegovernment’sdecisiontodelistthegraywolf.Wehopehewillrestorethewolftotheendangeredspecieslist.ThereisnobetterproofofhowdangerouslifeisforwolvesthanIdaho’splantoprotectthem.51.Fromthefirstparagraphwecanknowthat______.A.ThegraywolfwasnotlistedasanendangeredspeciesuntilMarch28.B.Intheauthor’sopinionindividualstateswillnotprotectthegraywolfwellC.Thegraywolffellundertheprotectionofindividualstateswhenitwaslistedasanendangeredspecies.D.It’suptothefederalgovernmenttoprotectthegraywolfafteritwasremovedfromthelist.52.WhydoIdahoofficialspermitacertainnumberofgraywolvestobehunted?A.Somewilldieofnaturalcausesiftheyarenotkilledbyhunters.B.Hunterskillgraywolvesforthegoodofthewolfpopulation.C.TheyarguethatmoreanimalsshouldbeallowedtosurvivE.D.Thewolvesleftwillstillbemorethanthosetobeprotectedintheoriginalfederalwolfrecoveryplans.53.Whatdoestheunderlinedwordreprieveinthelastparagraphmean?A.Anofficialordertoputgraywolvesbackonendangeredlist.B.Anofficialordertoremovethegraywolffromthelistofendangeredspecies.C.Anofficialordertopermit428ofthestate’sestimated1000wolvestobehuntedD.Anofficialordertofitallwolveswithradiocollars.54.WhatdoestheauthorthinkofIdaho’splantoprotectgraywolves?A.Wolvesareonlyagameanimaltobemanagedforthebenefitofhumanhunters.B.ThereisnobetterplantoprotectgraywolvesthanIdaho’splan.C.Itwillrestorethewolftotheendangeredspecieslist.D.It’sadangertothelifeofthegraywolf.55.Whosepointofviewmaytheauthoragreeto?A.Idaho’sFishandGamedepartment.B.Idaho’sofficials.C.StaffbiologistsinIdaho’sFishandGamedepartment.D.ThefederaljudgE.
Thelargestearthquakemagnitude里氏9.5ofthe20thcenturyhappenedonMay221960offthecoastofSouthCentralChilE.Itgenerated生成oneofthemostdestructivePacificwidetsunamis海啸.NearthegeneratingareaboththeearthquakeandthetsunamiwereverymuchdestructiveparticularlyinthecoastalareafromConcep-ciontothesouthendofIslaChiloE.ThelargesttsunamidamageoccurredatIslaChiloe-----thecoastalareaclosesttotheepicenter震中.Hugetsunamiwavesmeasuringashighas25metersarrivedwithin10to15minutesaftertheearthquakekillingatleasttwohundredpeoplesinkingalltheboatsandfloodinghalfakilometerinlanD.TherewaslargedamageandlossoflifeatConcep-cionChile'stopindustrialcity.NearthecityofValdiviatheearthquakeandfollowingaftershocksgeneratedlandslideswhichkilled18peoplE.AttheportcityofValparaisoacityof200000manybuildingscollapsed.A.totalof130000housesweredestroyedoneineverythreeintheearthquakezoneandnearly2000000peoplewerelefthomeless.Totaldamagelossesincludingtoagricultureandtoindustrywereestimated估计tobeoverahalfbilliondollars.Thetotalnumberofdeathrelatedwithboththetsunamiandtheearthquakewasneverfoundaccuratelyfortheregion.Estimatesofdeathsreachedbetween4900to57002withnodistinction差别astohowmanydeathswerecausedbytheearthquakeandhowmanywerecausedbythetsunami.HoweveritisbelievedthatmostofthedeathsinChilewerecausedbythetsunami.56.Wheredidthelargesttsunamidamageoccurred?A.Concep--cion.B.IslaChiloE.C.ValdiviaD.Valparaiso.57.Whatcanwelearnaboutthetsunamiwavesgeneratedbytheearthquake?A.Thetsunamiwavesashighas25metersarrivedimmediatelyaftertheearthquakE.B.Thetsunamiwaveskilled200peopleandsankalltheboats.C.ThetsunamiwaveswereverydestructivE.D.ThetsunamiwavesfloodedhalfoftheinlanD.58.Whatisthetotalnumberofdeathsintheearthquake?A.About2000000.B.Between4900to57002.C.About200000.D.Itwashardtoknow.59.Whatdoestheunderlinedwordcollapsedinthethirdparagraghprobablymean?A.wasdestroyedB.caughtfireC.wasfloodedD.sank
HowdidAncientPeopleTellTime?Naturalwaysofkeepingtime.Inancienttime.peoplehadtousethesunandthemoontotelltime.Theygotupwhenthesuncameupandworkedinthefieldsuntilthesunwentdown.Man-madethingsThesandc1ockismadeoftwoglassballsjoinedbyanarrowneck.Thetopballwasfilledwithsand.Thesandslowlymovedthroughtheneckintothebottomball.Peopleknewhowmuchtimehadpassedwhenallthesandhadfallentothebottomball.Peoplealsomadethewaterclock.Theymadeasmallholenear山ebottomofapot.Thentheyfilledthepotwithwater.Markingsinsidethepotshowedhowmuchtimepassedasthewaterdripped滴outofthehole.Nature’sC1ocksinLivingThingsAnimals’BodyClockAnimalsdonotneedclockstoknowtime.Theyhaveawayoftellingtimebytheirbodies.Birdsknowwhentoflytowarmerplacesbeforewinter.someanimalsknowwhentokeepmoref00dforthecoldwintermonths.Somefishknowwhenitistimetomoveuptheriverandlayeggs.PlantshavetheirownclocksPlantsals0havetheirownclockstokeeptime.Plantsknowwhentoopenflowersorwhentodroptheirleaves.TheBodyClockinHumanBeingsPeoplealsoh8vetheirownbodyclocks.Whenwegetusedtoourlivesourbodyclockscanbeveryaccurate.Itcantelluswhenitistimetowakeup.Itcanalsotelluswhentoeatortogotosleep.64.Howcouldanancientfarmerknowwhent0gobackhomefromthefieldinthedaytime?A.Bylookingatthestars.B.Bylookingatthemoon.C.Bylookingatthesun.D.Byfeelingwhethertiredornot.65.Accordingtothepassagehowcananimalsknowtime?A.Theyusebodyclocks.B.Theyaskotheranimals.C.Theyusethesunandthemoon.D.Theymakesomethingtotelltime.66.Inwhatwayisthesandclockthesameasthewaterclockintellingtime?A.Bothofthemhaveaneck.B.Bothofthemhavetwoglassballs.C.Bothofthemcanbeusedonlyonce.D.Bothofthemgivethetimebyquantity.67.Whatisthebesttitleforthewholepassage?A.Man―madeclocksB.Nature’sclocksC.TimeandclockD.Howpeoplekeeptime
Howwouldyouliketobrushacrocodile’steeth?Orgiveasharkabath?Catsarewell-knownforthewaytheykeepthemselvescleanbylicking舔butotheranimalshavetheirownwaystostaycleanaswell.Andtidinesscanbeimportantfortheirsurvival.Evencockroaches蟑螂havetokeeptheirfeelerscleantohelpthemintofooD.Manyanimalsinthewildsuchasdeerwolvesandbearshaveanautomaticcleaningsystem.InsectsliketoattachthemselvestoanimalstofeedontheskinorblooD.Theseparasites寄生虫canbeunhealthy.Buttheirhostanimalsareconstantlydroppingskinandfurbyanaturalprocess.Theyalsoliketorubupagainsttreesorrockstocomfortthemselvesandthisremovesadditionalskinandfur.Alongwitholdfurgoesthedirtandparasiteslivinginthefur.Whiletheseanimalsmaysometimestakeabathwhentheyenterorcrossariverorlaketheydon’tneedthewatertostayclean.Theydon’tgetsweatybecausetheydon’thavesweatglands汗腺allovertheirbodiesthewaypeopledo.Growingnewskinandfurisenoughtokeepthemclean.Someanimalsandbirdsusedusttogetclean.ChinchillasakindofsmallanimalthatlivesinthemountainsofSouthAmericahaveaveryfinefur.Theyareraisedfortheirfurinfact.IftheytookwaterbathstheymightgettoocolD.Soinsteadtheyrollaroundinfinedustraisingquiteacloudastheybathe.Thedusthelpstokeeptheirfurandskindry.Thisprotectsthemfrombacteriaandparasitesthatenjoywarmandwetplaces.Andthefinedustdoesn’tstickintheirfurforlong.Itfallsofforblowsaway.Asforlionsandtigerstheirroughtonguesactlikecombsandcanremovedirtandloosefur.Whyisitimportantforthemtostaycleanandsmooth?Ithelpsthemstaycoolinveryhotsummerorfeelwarmincoldwinter.64.What’sthemainideaofthispassage?A.Animalsenjoylivinginacleanenvironment.B.Animalsfightagainstparasitesindifferentways.C.Unlikepeopleanimalshatestayinginwater.D.Foranimalscleanlinessisasurvivalskill.65.Accordingtothepassagesuchanimalsasdeerwolvesandbearscleanthemselvesby.A.livingwithparasitesB.replacingtheirskinandfurnaturallyC.climbingtreesorrocksD.havingabathinariverorlake66.Itcanbeinferredfromthepassagethatthewaysomeanimalsstayclean.A.isdecidedbytheirphysicalconditionsB.isbetterthanthewaypeopledoC.keepsthemawayfromparasitesallthetimeD.helpsthemsurviveanydangerinthewild
Oursenseofhearingisoneofthemostimportantmeansofknowingwhatisgoingonaroundus.Wearewarnedofdangerbysounds.Thesoundsofmusicpleaseus.SoundhasawasteproducttoointheformofnoisE.NoisehasbeencalledunwantedsounD.Noiseisgrowinganditmaygetmuchworsebeforeitgetsanybetter.ScientistsforseveralyearshavebeenstudyinghownoiseaffectspeopleandanimalsandarealarmedbywhattheyhavelearneD.PeaceandquietarebecominghardertofinD.NoisepollutionisnojokE.Itisathreatthatshouldbelookedatcarefully.Soundismeasuredinunitscalleddecibels分贝.Atalevelof140decibelspeoplefeelpainintheirears.TrucksbusesmotorcyclesairplanesboatsandfactoriesallmakenoisE.Thisnoisebothersnotonlyourearsbutourmindsandbodiesaswell.Thereisasayingaboutitissonoisythatyoucan'thearyourselfthink.DoctorswhostudynoisebelievethatwemustbeabletohearourselvesthinkmostofthetimE.Ifwedon'twemayhaveheadachesotherachesandpainsorevenmentalproblems.Noiseaddsevenmoretensiontoasocietywhichalreadyfacestoomuchstress.49.Thesenseofhearing_______.A.makespeoplefeelangryB.makespeoplewanttodanceC.helpspeopletoknowwhatishappeningaroundthemD.issomethingharmfultopeople50.Whensoundisturnedintonoise_______.A.peoplebecomeillB.itmakespeopleforgetthepastC.peopledon'tknowhowtodealwithitD.itbecomesakindofpollution51.WhydoesthepassagesayPeaceandquietarebecominghardertofind?A.Soundsofover140decibelsarecommonthesedays.B.TherearealwayswarsgoingonintheworlD.C.TheworldismakingmoreandmorenoisE.D.Allkindsofmachinesmakenoises.52.WhichofthefollowingstatementsisTRUE?A.Scientistsarewarningpeoplenoisecanbeharmful.B.It'spossibleformantogetridofallnoises.C.Soundsunder140decibelsarenotconsideredtobenoisE.D.Societyhasbecomemorelivelybecausethereisnoisenow.
DemandsforstrongerprotectionforwildlifeinBritainsometimeshidethefactthatsimilarneedsarefeltintherestofEuropE.StudiesbytheCouncilofEuropeofwhich21countriesaremembershaveshownthat45percentofreptile爬行动物speciesand24percentofbutterfliesareindangerordyingout.EuropeanconcernforwildlifewasoutlinedbyDrPeterBaumanexpertintheenvironmentandnaturalresourcesdivisionofthecouncilwhenhespokeataconferencearrangedbytheadministratorsofaBritishnationalpark.TheparkisoneofthefewareasinEuropetoholdthecouncil’sdiplomafornaturereservesofthehighestqualityandDrBaumhadcometopresentittotheparkonceagain.Hewasafraidthatpublicopinionwasturningagainstnationalparksandthatthosesetupinthe1960sand1970scouldnotbesetuptoday.ButDrBaumclearlyremainedastrongsupporteroftheviewthatnaturalenvironmentsneededtobeallowedtosurviveinpeaceintheirownright.Noareacouldbeexpectedtosurvivebothasatruenaturereserveandasatouristattractionhewenton.TheshortsightedviewthatreserveshadtoserveimmediatehumandemandsforoutdoorrecreationshouldbereplacedbyfullacceptanceoftheirimportanceasplacestopreservenatureforthefuturE.Weforgetthattheyaretheguarantee保证oflifesystemsonwhichanybuilt-upareadependsDrBaumwenton.WecouldmanagewithoutmostindustrialproductsbutwecouldnotmanagewithoutnaturE.HoweverournaturalenvironmentareaswhicharetheoriginalpartsofourcountrysidehavebecomemereislandsinaspoiledandhighlypollutedlanD.59.RecentstudiesbytheCouncilofEuropehavedeclaredthat____.A.wildlifeneedsmoreprotectiononlyinBritainB.allspeciesofwildlifeinEuropeareindangerofdyingoutC.therearefewerspeciesofreptilesandbutterfliesinEuropethanelsewhereD.manyspeciesofreptilesandbutterfliesinEuropeneedprotecting60.WhydidDrBaumcometoaBritishnationalpark?A.Becauseheneededtopresentitwithacouncil'sdiplomA.B.Becausehewasconcernedaboutitsmanagement.C.BecauseitwastheonlynationalparkofitskindinEuropE.D.Becauseitwastheonlyparkthathadeverreceivedadiplomafromthecouncil.61.Thelastsentenceinthesecondparagraphimpliesthat____.A.peopleshouldmakeeveryefforttocreatemoreenvironmentareasB.peoplewouldgoonprotectingnationalparksC.certainareasofthecountrysideshouldbeleftintact完整的D.peoplewoulddefendtherighttodeveloptheareasaroundnationalparks62.Whichofthefollowingcanbeinferredfromthelastparagraph?A.WehavedevelopedindustryattheexpenseofcountrysidE.B.WehaveforgottenwhatouroriginalcountrysidelookedlikE.C.Peoplelivingonislandsshouldprotectnaturalresourcesfortheirsurvival.D.Weshoulddestroyallthebuilt-upareas.
Endlesstreatiestocutcarbonemissionsandhaltglobalwarminghavefailedtoturnthetideofpollution.NowscientistswanttoreshapeourseaandskiestosavetheworldfromclimatechangE.Herearefiveimportantgeo-engineeringideasthatcouldchangethefaceoftheEarth.Realisticornot?YoudecidE.SynthetictreesLivingtreesabsorbcarbondioxideslowly.ScientistsareproposingtobuildsynthetictreeswhichwouldnotgrowofproduceleavesbutabsorbcarbondioxidE.Onesynthetictreewouldremoveabout90000tonsofcarbondioxideinayear-theoutputofmorethan15000carsandathousand-foldimprovementonthenaturalbehaviorofareallivingtreE.Carbonsequestration隔离technologyislikelytoplayamajorroleinthebattleagainstclimatechangE.ButcriticssaythatengineerscouldendupusingmoreenergyinmakingthesynthetictreesthantheywouldsavE.SeagrassBloomsofplanktonarethegrasslandsoftheoceans.Theyabsorbcarbondioxidedieandthensinktotheseabedcarryingthecarbondioxidetheyabsorbedduringtheirlifetimes.IncreasesuchbloomsandyoucouldtakeoutmorecarbondioxidefromtheatmospherescientistsarguE.Thefavoredmethodforstimulatingplanktongrowthistouseironfertilizers.SeveralgroupsofUSentrepreneurshavebegunexperimentspumpingironcompounds化合物intotheseA.Butsomecriticswarnthattheironcompoundsaddedtotheseamightcauseseriouspollution.CloudshieldBeforereachingtheEarthpartoftheincomingsolarradiationisreflectedbythecloudsinthesky.AstheEarthwarmsupscientistsplantosprayseawaterintotheskytoincreasecloudcover.It'sestimatedthatinthiswaycloudcovercanincreaseby4percent-enoughtoshieldtheEarthfromsolarradiation.Thisplanischeapandrelativelylow-tech.Butscientistssaythiscouldcauseotherdangerssuchaschangingweatherpatterns.OceanpumpsColdoceanwatercontainsmorelifeformsthanwarmerwater.SuchcreaturescouldhelpabsorbCO2.SOscientistsplantpumpcoldoceanwaterfromthedeepseauptothesurfacE.ThelifeformsincoldwaterwouldabsorbCO2dieandthensinktotheseabedstoringthecarbonawayforthousandsofyears.Biologistssaytheschemecouldthreatensealifeinparticularwhalesandporpoises海豚.MirrorsBesidesmakingcloudsscientistsaretryingotherwaystoblockthesun'sradiation.Oneofthemostambitiousideasinvolvesfiringgiantmirrorsintoorbit.Thespecialhigh-techmirrorswouldfilterinfraredradiation.ButsuchaprocesswouldbeextremelyexpensivE.Toproducea1percentcutinsolarradiationscientistswouldhavetoinstallatotalmirrorsurfaceareaof600000squaremiles.64.Thewordshieldunderlinedinthisarticleisleastlikelytobereplacedby.A.guardB.protectC.preventD.defend65.Fromtheabovewhichstatementisnottrue?A.SynthetictreeswouldnotgroworproduceleavesB.ScientistshavebeentryingtosavetheworldfromclimatechangeC.Theplanofcloudshieldischeapandrelativelylow-techD.Warmeroceancontainsmorelifeformsthancoldwater66.Fromtheviewofreducingpollutionwhichistherealisticchoiceusedtosaveus?A.SynthetictreesB.OceanpumpsC.SeagrassD.Mirrors67.Ofthefiveideawhichseemsmoreambitiousandabsurdfromtheaspectofcost?A.MirrorsB.CloudshieldC.SeagrassD.Synthetictrees
Birdsincitiesaredamagingtheirhealthbytryingtosingabovethenoiseofurbanlife.Newresearchshowsthatmalebirdsaretryingtocompeteagainsttrafficandcitysounds.Theyarenowsinginglouderandathigherfrequencieswhichcouldharmtheirvocalcords声带.Somebirdsarechoosingtosingatnightinsteadofduringtheday.Thismakesthemmoreopentoattackandalsocreatesstressandexhaustion.Thedifferencebetweenurbanandruralbirdsongisbecomingsobigthatthetwogroupscouldnowbeunabletocommunicate.Thiscouldleadtoinbreeding同系交配andaweakgenepoo1.saidDrSueAnneZollingerofthe.UniversityofStAndrews.AccordingtoZollingarabirdgroupwithasmallgenepoolmightadaptlessquicklytonewdiseasesandcouldbewipedout.AstudyofthedawnchorusfoundthatbirdsinBerlinsangupto14decibels分贝louderthanthoseintheforest.Thebirdssangloudestonweekdaymornings.BytryingtosingoverthesoundofthecitybirdsalerisingvocalinjurysaidZollinger.Allthisputsthesamestrainonabird’svocalcordsaswhenahumanneedtoshouttobeheard―exceptthatthebirdsaredoingitalldayeverydayshesaid.Singingundersuchpressuremeansbirdshavelesscontroloverthesoundtheyproduce.Theirsongsmaylosequalityandbecomemorerough―sounding.saidZollinger.Thiscouldmakethemappearlessattractivetofemalebirds.MarkConstantineauthorofTheSoundApproachtoBirdingsaidBirdsongisimportantforourqualityoflifeandhasbeenprovedtoreduceourbloodpressure.Whenweliveinthecentreoflargeurbanareaswegetstressedandit’sextremelygoodtohavebirdsongaroundus.Theimpactonhumansofbirdsongismassive.Itharmsusaswellasthebirdsiftheirsongsbecomelouderandsimpler.68.Somebirdsincitiesnowchoosetosingatnighttimebecause____________.A.theywanttoattractmorebirdsofoppositesexB.theyaremorelikelytobediscoveredbytheirfamilyC.theycan’tadapttotheloudnoisesduringthedaytimeD.theyhavetofrightentheirenemyaway69.Accordingtothepassageurbanandruralbirdsmightnotbeableto___________.A.recognizeeachotherB.communicatewitheachotherC.1ivewitheachotherD.competeagainsteachother70.Itrequiresgreatesteffortsforbirdsincitiestosingon______________.A.MondaynightsB.WednesdayafternoonsC.SaturdayEveningsD.Fridaymornings71.AccordingtoDrSueAnneZollingerbirdssingingloudermighteventuallyleadto___________.A.theharmdonetoman’shealthB.thedyingoutofaspeciesC.theseriousdamagetothebird’svocalcordsD.thedecreaseofthebirthrateofabirdgroup
Exceptforthesunthemoonlookslikethebiggestobjectinthesky.Actuallyitisoneofthesmallestandonlylooksbigbecauseitissoneartous.Itsdiameter直径isonly2160miles3389kmoralittlemorethanaquarterofthediameteroftheearth.Onceamonthormoreexactlyonceevery29.5daysatthetimewecallfullmoonitswholedisclooksbright.Atothertimesonlypartofitappearsbrightandwealwaysfindthatthisisthepartwhichfacestowardsthesunwhilethepartracingawayfromthesunappearsdark.Peoplecouldmaketheirpicturesbetteriftheykeptthisinmind―onlythosepartsofthemoonwhicharelightedupbythesunarebright.Thisshowsthatthemoongivesnolightofitsown.Itonlythrowsbackthelightofthesunlikeahugemirrorhunginthesky.Yetthedarkpartofthemoon'ssurfaceisnotabsolutelyblack;generallyitisjustlightenoughforustobeabletoseeitsoutlinesothatwespeakofseeingtheoldmooninthenewmoon'sarms.Thelightbywhichweseetheoldmoondoesnotcomefromthesunbutfromtheearth.Weknowwellhowthesurfaceoftheseaorofsnoworevenofawetroadmaythrowbackuncomfortablymuchofthesun'slightontoourfaces.Inthesamewaythesurfaceofthewholeearththrowsbackenoughofthesun'slightontothefaceofthemoonforustobeabletoseethepartsofitwhichwouldotherwisebedark.41.Whyisthedarkpartofthemoonnotcompletelyblack?A.Becausethesunshinesonthemoon’ssurfacE.B.Becausetheearththrowsbacksunlightontothemoon.C.Becausethemoonthrowsbackthelightfromthesun.D.Becausethemoonhaslightofitsown.42.Theunderlinedworddiscinthesecondparagraphrefersto.A.aroundplateB.aroundrecordC.themoonthatreflectssunlightD.themoonwhichlookslikearoundplate43.Bysayingtheoldmooninthenewmoon’sarmswemeanatimewhen.A.thetwomoon’sarecloselylinkedB.thenewmoonisatitsbrightestC.themoonispartlybrightandpartlydarkD.thenewmoonishuggingtheoldmoon44.Whichofthefollowingistrueaccordingtothetext?A.Themoonwhichappearsroundatitsbrightestiscalledfullmoon.B.Themoon’sdiameterisexactlyonefourthofthatoftheearth.C.Thelightbywhichweseetheoldmooncomesfromthesun.D.Thepartofthemoonwhichisnotlightedbythesuniscompletelydark.
AttheKyotoconferenceonglobalwarminginDecember1997itbecamemuchclearhowcomplexithasbecometoworkoutinternationalagreementsrelatingtotheenvironmentbecauseofeconomicconcernsuniquetoeachcountry.Itisnolongerenoughtotrytoforbidcertainactivitiesortoreducegivingoffcertainsubstances.Theglobalchallengesoftheinterlinkbetweentheenvironmentanddevelopmentincreasinglybringustothecoreoftheeconomiclifeofstates.Duringthelate1980swewereablethroughinternationalagreementstomakedeepcutsingivingoffharmfulsubstancestotheozone臭氧layer.Thesereductionsweremadepossiblebecausesubstitutions替代品hadbeenfoundformanyoftheharmfulchemicalsandmoreimportantbecausetheharmfulsubstancescouldbereplacedwithoutnegativeeffectsonemploymentandtheeconomiesofstates.Althoughthethreatofglobalwarminghasbeenknowntotheworldfordecadesandallcountriesandleadersagreethatweneedtodealwiththeproblemwealsoknowthattheeffectsofmeasuresespeciallytoughmeasurestakeninsomecountrieswouldbeofnouseifothercountriesdonotcontroltheirgivingoff.WhereastheUNteamonclimatechangehasfoundthatthecarbondioxidewouldhavetobecutgloballyby60%.Thispathdoesnotworkforseveralreasons.Suchdeepcutswouldcauseabreakdownoftheworldeconomy.Manydevelopingcountriesarenotyetwillingtocontroltheirenergyuses.Inadditionthestateofworldtechnologywouldnotyetpermitustomakesuchabigleap.Wemusthoweverfindasolutiontothethreatofglobalwarmingearlyinthe21S`century.Suchamissionwouldrequireadegreeofsharedvisionandcommonresponsibilitiesnewtohumanity.Successliesintheforceofimaginationinimaginingwhatwouldhappenifwefailtoact.Althoughmanylivingincoldregionswouldwelcometheglobal-warmingeffectofawarmersummerfewwouldcheerthearrivalofthefollowingtropicaldiseaseespeciallywherehadbeennonE.51ThemainpurposeorimspassageistoA.convincepeoplethatglobalwarmingisathreatB.criticizesomecountriesforrefusingtocutdowngivingoffharmfulsubstancestotheozonelayer.C.analyzetheproblemofglobalwarmingD.argueagainstmakingdeepcutsingivingoffharmfulsubstances52.Thereasonwhyitisdifficulttogetridofthethreatofglobalwarmingisthat＿.A.theleadersofmanycountriesarenotfullyawareofthegravityoftheproblem.B.worldtechnologyisnotabletosolvetheproblemC.not.allthecountriesarewillingtomakedeepcutsingivingoffharmfulsubstancesD.manypeoplewelcometheglobal-warmingeffectofawarmersummer53.Inthepassagetheauthorimpliesthat＿.A.itisalwaysdifficulttoworkoutinternationalagreementstocutdowngivingoffharmfulsubstancestotheozonelayerB.itisnolongereasytoreachinternationalagreementsrelatingtotheenvironmentC.theworldhasrecentlybecomeawareofthethreatofglobalwarmingD.theproblemofglobalwarminghaslargelybeensolved54.Accordingtotheauthoritisimpossibleatpresenttocut60%of.carbondioxidegloballybecauseA.itisonlyagoaltobereachedinthefutureB.somepeoplearelackinginimaginationC.somepeopleareirresponsibleD.itwouldcauseaturndownoftheworldeconomy55.Whatshouldallcountriesdotohelpsolvetheproblemofglobalwarming?A.Theyshouldreplacealltheharmfulsubstances.B.Theyshouldwillinglyundertakelegalcommitmentsabouttheirenergyuses.C.TheyshouldholdanotherworldconferenceonclimatechangE.D.Theyshouldprovideadvancedtechnology.
Youeitherhaveitoryoudon’t－asenseofdirection.ButwhyisitthatsomepeoplecouldfindtheirwayacrosstheSaharawithoutamapwhileotherscanlosethemselvesinthenextstreet?Scientistssaywe’reallbornwithasenseofdirectionbutitisnotproperlyunderstoodhowitworks.Onetheoryisthatpeoplewithagoodsenseofdirectionhavesimplyworkedharderatdevelopingit.ResearchbeingcarriedoutatLiverpoolUniversitysupportsthisideaandsuggeststhatifwedon’tuseitweloseit.ChildrenasyoungassevenhavetheabilitytofindtheirwayaroundsaysJimMartlandresearchdirectoroftheproject.Howeveriftheyarenotallowedoutaloneoraretakeneverywherebycartheyneverdeveloptheskills.JimMartlandalsoemphasizesthatyoungpeopleshouldbetaughtcertainskillstoimprovetheirsenseofdirection.Hemakesthefollowingsuggestions:lIfyouareusingamapturnitsothatitrelatestothewayyouarefacing.lIfyouleaveyourbikeinastrangeplaceputitnearsomethinglikeabigstoneoratree－somethingeasytorecognizE.NotelandmarksontherouteasyougoawayfromyourbikE.WhenyoureturngobackalongthesameroutE.lSimplifythewayforfindingyourdirectionbyusinglinessuchasstreetsinatownstreamsorwellsinthecountrysidetoguideyou.CountyourstepssothatyouknowhowfaryouhavegoneandnoteanylandmarkssuchastowerblocksorhillswhichcanhelptofindoutwhereyouarE.Nowyouwillnevergetlostagain!56.Scientistsbelievethat______.A.somebabiesarebornwithasenseofdirectionB.peoplelearnasenseofdirectionastheygrowolderC.peopleneverlosetheirsenseofdirectionD.everybodyhasasenseofdirectionfrombirth57.Whatistrueof7-year-oldchildrenaccordingtothepassage?A.Theyneverhaveasenseofdirectionwithoutmaps.B.Theyshouldneverbeallowedoutaloneiftheylackasenseofdirection.C.TheyhaveasenseofdirectionandcanfindtheirwayarounD.D.Theycandevelopagoodsenseofdirectioniftheyaredrivenaroundinacar.58.Ifyouleaveyourbikeinastrangeplaceyoushould______.A.tieittoatreesoastopreventitfrombeingstolenB.drawamapoftheroutetohelprememberwhereitisC.avoidtakingthesameroutewhenyoucomebacktoitD.remembersomethingeasilyrecognizableontheroute59.Accordingtothepassagethebestwaytofindyourwayaroundisto______.A.askpolicemenorotherpeoplearoundfordirectionsB.usewellsstreamsandstreetstoguideyourselfC.rememberyourroutebylookingoutforstepsandstairsD.countthenumberoflandmarksthatyousee
TheKyotoProtocolisaplancreatedbytheUnitedNationsfortheUnitedNationsFrameworkConventiononClimateChange.Theplanaimstoreducetheamountofindustrialgasesreleased释放intotheenvironment.Somescientistssaycarbondioxideandotherindustrialgasesaretoblameforclimatechangearoundtheworld.Thescientistssaysuchgasesbuildupintheatmosphereandtrapheatbelow.Theysaythisresultsinincreasingtemperaturesandrisingsealevels.TheplaniscalledtheKyotoProtocolbecauseitwasnegotiated商订inKyotoJapaninDecember1997.Thegoaloftheagreementistoreducetheamountofemissions排放物--industrialgasesreleasedtobelowthelevelsof1990.Nationsresponsibleforatleast55％oftheworld'sindustrialcarbondioxideemissionshadtoapprovetheagreementbeforeitcouldgointoeffect.TheEuropeanUnionandmanyotherindustrialnationsquicklyapprovedtheKyotoProtocol.Theyreceivecreditfortheirownemissionsiftheyinvestincleanedtechnologiesindevelopingnations.Developingnationsdonothavetomeettheemissionsrequirementsoftheagreement.TheUnitedStatesproduced36％oftheworld'scarbondioxideemissionsin1999.ButtheUnitedStatesrefusedtoapprovetheKyotoProtocol.BeforetheProtocolwasnegotiatedtheUnitedStatesSenate美国参议院votedthatanytreaty条约harmfultotheeconomyoftheUnitedStatescouldnotbesigned.PresidentBushhassaidthathesupportsthegeneralideaofthetreatybutwillnotsendthetreatytotheSenateforapproval.Mr.Bushsaidthattheagreementsetsunfairdifferencesbetweenindustrialanddevelopingnations.HealsosaidthatthetreatycouldcausesomeAmericanstolosetheirjobs.AftertheUnitedStatesrejected拒绝theKyotoProtocolapprovalbyRussiawasnecessaryfortheagreementtocomeintoeffect.RussiaapprovedtheProtocolinNovember2004andtheKyotoProtocolwentintoeffectonFebruary16th2005.157countrieshaveapprovedtheagreement.60.What’sthepurposeofthispassage?A.Tonotetheimportanceofenvironmentalprotection.BToprovideinformationabouttheKyotoProtocol.C.Toshowtheresultscausedbyglobalclimatechange.D.TocriticizetheUSforitsresponsetotheKyotoProtocol.61.HowmanyyearswastheKyotoProtocolnegotiatedbeforeitscomingintoeffect?A.Nearly1year.B.Nearly6years.C.Nearly8years.D.Nearly15years.62.What'sthemainideaofParagraph4?A.TheUSSenatehasmorepowerthanPresidentBush.B.TheKyotoProtocolwillreallydosomeharmtotheUSeconomy.C.TheworryofPresidentBushaboutsigningtheKyotoProtocolisreasonable.D.TheUSviewsitsinterestmoreimportantthanenvironmentalprotection.63.ItcanNOTbelearnedfromthispassagethat.A.theKyotoProtocolwascreatedtosolveglobalpollutionproblemsB.thedevelopedcountriesaremainlyresponsibleforindustrialgasesC.thedevelopingcountriescanbefreefromtheKyotoProtocolD.theKyotoProtocolfinallytookeffectwithoutAmerica'sapproval
Biomassenergy生物能oftenforgottenaspromisingalternativetooilreceiveditsdayinthesunwiththegatheringoftheBio-EnergyWorldCongressandExpositioninAtlantaGeorgialateinApril2007.Nearly1700scientistsbusinessmenandpolicy-makersone-quarterfromtheforeignnationsgatheredforaweektodiscussvariousmeansofsqueezingusableenergyoutoftreescropsseaplantsandurbanwastE.BiomassenergyintheUnitedStatescontributes2.5percentofthetotalsupplybutthisamountcanbedoubledby2017andthendoubledagainbytheyear2027.EightpercentofSweden’senergysupplyforexampleispresentlycomingfromwoodandpulp纸浆remaining.Swedenintendstoraisethispercentagebymoreintensiveharvestingofwastefoodlyingaroundinforestsandthroughtheplantingofso-calledenergyforestsoffast-growingtreessuchaswillow.Brazilisfrequentlypointedtoasanationwithamajorsuccessfulinvestmentinenergycomingfromgrains:itpresentlyruns330000automobilesonawaterandalcoholmixturereplacing10percentofitspreviousoilsupply.Brazilianrepresentativesattheconferencesaidtheywishtodoublethisinfiveyearswithafinalgoaloftotalreplacement.Mostofthecarsarebuiltatthefactorytousethemixturewhileoldermodelsarechangedthroughlow-costgovernmentprograms.72.Whichofthefollowingstatementsissupportedbythepassage?A.Nearly1700scientistsattendedtheconferencE.B.A.quarterofAmericanbusinessmenwerepresentattheconferencE.C.Foreignpolicy-makersaccountedforaquarter.D.Three-quartersoftherepresentativeswerefromtheU.S.73.OfthetotalsupplytwentyyearslaterbiomassenergyintheU.S.willbe________.A.5%B.10%C.15%D.20%74.WhichofthefollowingisNOTregardedasbiomassenergy?A.Willowandseaplants.B.Woodandgrains.C.WaterandalcoholmixturE.D.CropsandoilmixturE.75.Asuitabletitleforthispassagewouldbe____________.A.AnEnergyConferenceB.ApprovalofBiomassEnergyC.Bio-EnergyforAutomobilesD.KeystoEnergyCrisis
根据短文内容从短文后的选项中选出能填入空白处的最佳选项选项中有两项为多余选项TheInternethasopenedupawholenewonlineworldforustomeetchatandgowherewe’veneverbeenbeforE.ButjustasinfacetofacecommunicationtherearesomerulesofbehaviorthatshouldbefollowedwhenonlinE.51Imaginehowyou’dfeelifyouwereintheotherperson’sshoes.Foranythingyou’reabouttosend:askyourselfWouldIsaythistotheperson’sface?iftheanswerisnorewriteandrereaD.52Ifsomeoneinthechatroomisrudetoyouyourinstinct本能istofirebackinthesamemanner.Buttrynottodoso.53Ifitwascausedbyadisagreementwithanothermembertrytofixthesituationbypolitelydiscussingit.Remembertorespectthebeliefsandopinionsofothersinthechatroom.54OfferadvicewhenaskedbynewcomersastheymaynotbesurewhattodoorhowtocommunicatE.Whensomeonemakesamistakewhetherit’sastupidquestionoranunnecessarilylonganswerbekindaboutit.Ifit’sasmallmistakeyoumaynotneedtosayanything.Evenifyoufeelstronglyaboutitthinktwicebeforesayinganything.Havinggoodmannersyourselfdoesn’tgiveyoulicensetocorrecteveryoneelsE.55AtthesametimeifyoufindyouarewrongbesuretocorrectyourselfandapologizetothosethatyouhaveoffendeD.Itisnotpolitetoaskotherspersonalquestionssuchastheiragesexandmaritalstatus.Unlessyouknowthepersonverywellandyouarebothcomfortablewithsharingpersonalinformationdon’tasksuchquestions.A.It’snaturalthattheresomepeoplewhospeakrudelyormakemistakesonlinE.B.Repeattheprocesstillyoufeelsurethatyou’dfeelcomfortablesayingthewordstotheperson’sfacE.C.EveryonewasnewtothenetworkoncE.D.Thebasicruleissimple:treatothersinthesamewayyouwouldwanttobetreateD.E.Whenyousendshortmessagestoapersononlineyoumustsaysomethingbeautifultohear.F.Youshouldeitherignorethepersonoruseyourchatsoftwaretoblocktheirmessages.G.Ifyoudodecidetotellsomeoneaboutamistakepointitoutpolitely.
Before1900manytheoriesexistedastothecauseofyellowfever黄热病.Somedoctorsweresurethediseasewasair-borne;othersfeltthatitwasspreadfrompersontoperson.Dr.CarlosFinlayawell-knownCubandoctorofthattimehadlongheldthetheorythatitwascausedbythebiteofmosquitoes.ButneitherthepublicnorthedoctorsthenacceptedhisideA.WalterReedallAmericandoctorsenttostudyyellowfeverinCubawenttotalkwithFinlay.ReedafterreadingalotonthesubjecthadbeguntothinkthatDr.Finlaymightbefight.ThenReedandhiscomradessettoworkatonce.OutsideHavanatheysetupalaboratoryandbeganexperimentstotestthetheory.Theexperimentsweresuccessful.NowweknowAperiodofabouttwoweeksmustpassbeforeamosquitoafterfeedingonasickpersoncouldinfect传染anotherperson.Thesickpersonhadtohaveyellowfeveracertainnumberofdaysbeforethemosquitobitinghimwasabletocarrythedisease.40.Before1900manypeopledidn’tthinkyellowfeverwasspread_______.A.byairB.bydirtywaterC.bythebiteofcertainmosquitoesD.bygettingintouchwiththepatient41.Whofirstrealizedtheactualcause?A.Thepublic.B.Finlay.C.Reed.42.Reedprovedthetheory_______.A.inhisAmericanlabB.bytalkingwithFinlayC.inakindofscientificWayD.byreadingalotofarticles43.Onewillcomedownwithyellowfeverifhehasbeenbittenby_______.A.amosquitoB.aninfectedmosquitoC.amosquitothathasbittenthepatientD.amosquitothathasbittenthepatientforsomedays44.Whatisthepossibletitleforthepassage?A.FightingagainstyellowfeverB.AdoctoragainstyellowfeverC.TheactualcauseofyellowfeverD.Severaltheoriesonyellowfever
Doyouknowthataturtlecanlay12eggsinoneminute?A.largeseaturtlelaysaround150eggsatatimE.Shelaysalltheseeggsinjustafewminutes.LargeseaturtlesliveinthewarmseasoftheworlD.Exceptforwhentheylaytheireggstheyspendtheirwholelivesinthewater.WhenitistimetolaytheireggsthefemalesswimtolanD.Theyusuallyreturntotheplacewheretheythemselveswereborn.Howtheyfindtheirwaybackthereisunknown.Whentheyreachshorethebigheavyturtlescrawlslowlyuptothehighwatermark.UsingtheirflipperstheypullthemselvesalongthesanD.Theymuststrugglelikemountainclimbers.Whentheyfinallyreachdrysandtheyrestbeforebeginningthedifficulttaskoflayingeggs.TheturtleslaytheeggsindeepholesandcoverthemwithwarmsanD.Thesandprotectstheeggsfromharm.Thenthefemalesleavethem.AfterafewweeksifyouhappenedtobewalkingalongthebeachyoumightseethesandbegintoshakE.YoumayseetinyblackballscomingoutofthesanD.Thetinyheadsofbabyturtles!41.Whichsentenceexpressesthemainidea?A.Seaturtleshaveinterestinglifehabits.B.Seaturtlesswimtoshoretolaytheireggs.C.Largeseaturtleslaytheireggsinspecialways.D.SeaturtlesenjoystayinginthesanD.42.Turtlesburytheireggstoprotectthemfrom_________.A.deepwaterB.dangerC.heatD.badweather43.Wecanconcludefromthispassagethat__________A.manyturtlesdiewhileswimmingtoshoreB.femaleturtlesprotecttheirbabiesC.onceturtleslandtheyneverreturntotheseA.D.thejoboflayingeggstakesgreatstrength.44.Thewritercomparesturtlestoclimbers___________.A.becausetheylaytheireggsinmountainareas.B.togiveyouapictureofhowhardtheyworkC.totellyouthattheyliketoclimB.D.toshowthatmountainclimbersareasslowasturtles.
Peopleandthesourcesofairpollutionarefoundinthesameplaces.Thismeansthatcitieswithlargepopulationshavethebiggestproblemofdirtyair.Airpollutioniscausedbymanydifferentthings.Amajorsourceofairpollutionisthegasfumesfromcars.Statisticsshowthat93percentofallautotripsarewithincities.Anothermajorsourceofdirtyairistheburningofcoalandoilforenergy.Thisenergyisneededtomakeelectricity.Ofcoursemuchmoreelectricityisusedinthecitythaninthecountry.Ontheaveragewethrowawaymoretrashandgarbagethanthepreviousyear.Theburningofgarbagecontributestoairpollution.Manymajorindustriesarealsoresponsibleforthedirtyairinthearoundcities.Thefumesfromironsteelchemicalandpetroleumproductionaddparticlestotheair.Theeffectsofairpollutionrangefrommildheadachestodeath.Thelevelsofpollutionfoundinheavyfortrafficmaycauseheadachesforlossofclearvision.Wherevercoalandoilareusedforfuelfumesmaykilltreesandplantsandcausemetaltocorrode.Insomeofthelargercitiesthesefumesendangertheliveofhumanbeingsbycontributingtolungdiseasesandcausingearlydeath.59.Thekeypointofthepassageisthat.A.thecauseofairpollutionispeopleB.thecausesandtheeffectsofairpollutionarebothfoundincitiesC.theeffectsofairpollutionrangefromheadachestodeathD.airpollutioniscausedbydirtyair60.Whatisthepurposeofthispassage?A.topersuadepeopletostoppollutingtheairB.totellthecausesofairpollutionC.totellwhycitiesarebadplacestoliveD.todescribewhycitiesarebadplacestolive61.Whatisthemaincauseofmoreseriousairpollutioninthecitythaninthecountry?A.Therearelargerpopulationsincities.B.Theairinthecityisdirty.C.Therearemorecarsinthecity.D.Therearemuchmoregasfumesfromcal'sandburningofcoalandoilforenergyinthecitythaninthecountry.62.Thefumesfromcoalandoilmaycausemetal.A.toturnblackB.tobecomenewC.tocorrodeD.todisappear
Isthewomanpicturedontherightmoreattractivethanthewomanontheleft?Thephotographontherightwaschangedusinganewbeautymakingcomputerprogramwhichusesamathematicalformulainvolving234measurementsofdistancesbetweenfacialfeaturestogetatheoreticallymoreattractiveversionwhilekeepingthebasicappearanceofthefaceunchangeD.UnlikechangesdoneinfashionmagazinephotoswrinkleswerenotsmoothedandhaircolorwasnotchangeD.TheprogramisthelatestattempttocombinebeautyandscienceasubjectthathasdrawnincreasingacademicinterestinthelastdecadE.StudieshaveshownthereissurprisingagreementamongpeopleofdifferentculturesaboutwhatmakesafaceattractivE.Mostimportantissymmetry匀称alongwithyouthfulnessskinsmoothnessandvivideyesandhaircolor.Yetlikethemanyotherscientificormathematicalattemptstodefinebeautythissoftwareprogramraisescomplexanddifficultquestionsabouttheunderstandingofbeauty.Howcantheyprovesomethingismoreorlessbeautiful?saidLoisBannerahistoryprofessoratChicagoUniversitywhostudieschangingbeautystandards.TherecanneverbeasinglestandardofbeautybecausesomuchofitisculturallyinfluenceD.AfterviewingbeforeandafterphotographsofdifferentpeopleBannersaidtheoriginalfacesweremoreattractivE.IrregularbeautyistherealbeautysaidBanneraddingthatattemptstomeasurebeautyaredrivenbythemedia’seffortstodefinebeautyandwhoisbeautiful.MartinaEckstutthewomanwhosephotowasbeautifiedforthisarticlesaidshewasstruckbyhowdifferentshelookeD.Ithinktheafterpicturelooksgreatbutitdoesn’treallylooklikemeatall.SheaddedIwouldliketokeepmyoriginalfacE.Forcenturiespeoplehavetriedtodefineauniversalidealofbeauty.Thefirstreactionwehavetofaceswillbebasedonfacesymmetry.saidAlexanderNehamasaprofessorwhohaswrittenaboutbeauty.Butinreallifewedon’tjustseeafacE.Weseefacesaspeopleexpresstheiremotionsandideasandallthoseaspectsofthefaceareessentialtoourdecidingwhetherafaceorapersonisbeautiful.46.Howdoestheprogramworktobeautifyaface?A.Itchangesthedistancesbetweenfacialfeatures.B.Itsmoothestheskinandsoftensthecolorofthehair.C.Itdigitallyrepairssomeobviousfacialfaults.D.ItreplacestheoriginalfacewithasimilaronE.47.Bannerbelievesthat.A.thereisnosuchthingasbeautyB.effortstodevelopabeautymeasureshouldbeencouragedC.themediaistoblameforthefailuretoagreeonbeautystandardsD.itisimpossibletoshowthatonethingismorebeautifulthananother48.WhenseeingtheafterpictureMartinaEckstutwas.A.pleasantlysurprisedbutthoughtshecouldlookevenbetterB.eagertogetherfacechangedalthoughitdidn’tlooklikeheratallC.amazedbytheattractivenessbutpreferrednottohaveadifferentfaceD.confusedbyhowdifferentshelookedandhadnoideawhattodo49.AccordingtothepassagewhichofthefollowingstatementsisTRUE?A.Beautyismainlybasedonfacesymmetry.B.Thereisnosinglestandardordefinitionofbeauty.C.TheprogramislikelytoencouragepeopletochangetheirappearancE.D.Mathematicsshouldbeusedtohelpuscreatebeauty.50.Thepurposeofthepassageisto.A.opposetheattemptstocreateartificialbeautyB.introduceabeautyprogramandadiscussionaboutbeautyC.discusswhatmakesapersonbeautifulD.showhowabeautyenginecanbeautifyaperson
热门题库
更多
汽车维修电工
高中英语
高中化学
高中政治
电大政治学原理
电大护理学
电大保险学概论
炉台实战技艺
保险公司法规
财经法规
执业兽医水生动物类
社工招聘
安全生产主体责任知识
ACI注册国籍高级营养师
职业礼仪
初级药学士
湘公网安备 43130202000226号