首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
For many years, enironmental problems have been a major concern to peoplE. Almost all things are rel...
查看本题答案
包含此试题的试卷
高中英语《》真题及答案
点击查看
你可能感兴趣的试题
After_______practiceLangLangisawell-knownpianistno
so many year
so many years
so many year's
so many years'
bemovewashdiscussswimNooneknewtheearth_________aro
Theauthorofthereportiswell_____withtheproblemsinth
Paper_____thefibresofplantsformanyyears.A.hasbeenm
Idon’trememberhowmanyyearsago_____IwastakentoBeiji
Janespentmanyyears________观察andrecordingtheirdaily
15.WiththedevelopmentofWestChinamanytechniciansare
Notuntil_________didmanacceptthatfactthatallliving
did many years pass
many years past
many years had passed
many years have passed
AtpresentinmanyAmericancitiesespeciallymanyteacher
Paper_____thefibresofplantsformanyyears.A.hasbeenm
Americanwomenwere_____therighttovoteuntil1920after
Itwas____ImetMrGreeninShanghai.
many years that
many years before
many years ago that
many years when
Formanyyearstheprinciplegoalofcomputerwastowrit
users
programmers
that
program
.Inspiteofillhealthandaphysicalincapacity伤残thatthr
Inspiteofillhealthandaphysicalincapacity伤残thatthre
句型转换1.DotheyteachEnglishintheirschool?改为被动语态1Engli
根据句意及所给提示完成单词每空一词Tomisagreatinventor.He____inventm
It’smanyyearssinceMountVesuviuslaste____________.
AmericanschoolsbegininSeptemberafteralongsummerhol
SECTIONC.12pointsDirection:Completethefollowingpas
热门试题
更多
MonarchButterfliesOneofthelastWestCoasthomesoftheMonarchbutterflyatypeofinsect昆虫maysoondisappear.StrangelyitisinatownthatcallsitselfButterflyU..S..A.PacificGroveCalifornia.ThetownofPacificGrovelovesthebutterflies.Everyyeartheyhaveaparade游行andhundredsofchildrendressupasbutterflies.Monarchbutterfliesarethetownmascot.Tourismisveryimportantandmanypeoplecometoseethebutterflies.Thebutterfliesaregoodforthedevelopmentofthetown.In1981thereweresomanybutterfliesitlookedlikeitwasrainingbutterflies.TensofthousandsofMonarchsstayedontreebranchesnearPacificGrove.Nowtherearenotsomany.Thebuildinggoesonalittlebitatatimeandyoudon’tnoticeitdaybyday.Overtimeyoucanseethattherehasbeenalotofdevelopment.Asnewbuildingsgoupmanytreesarecutdown.Thisreducesthenaturalhomesforthebutterflies.Monarchstravelhundredsofmileseachyearreturningtothesamewoodsoftentothesametrees.ThefemaleMonarchsneedmilkweedtolaytheireggsthemaleswillfollowthefemales.MillionsofMonarchshavetraveledregularlyalongthesamepathforthousandsofyears.TheystarttheirtripinthemountainsofMexicoandtraveltothemiddlepartofAmerica.Ifthewoodswherethebutterflieslivearedestroyedthewholespecies物种couldbelost.TherehavebeenMonarchbutterfliesalongthecoastofCaliforniaforaslongasmancanrememberbutnooneissurehowmuchlongertheywilllast.36.WhyareMonarchbutterfliesimportanttoPacificGroveA.Theymaydisappear.B.Theycometostayeveryyear.C.Theyhelpdevelopthetown’stourism.D.TheygiveanametoPacificGrove.37.TheunderlinedwordmascotinParagraph2probablyrefersto_________.A.anewtypeofbutterflyB.aninsectbelievedtobringgoodluckC.aparadeorganizedbyPacificGroveD.aspecialdressforchildreninPacificGrove38.WhatproblemdoMonarchbutterfliesfacenowA.Newbuildingstakeuptheirlivingspace.B.Therehasbeentoomuchrainmrecentyears.C.Theirnaturalhomesaredestroyedbytourism.D.Theyhavetottravelalongdistancetogethome.39.WheredoMonarchbutterfliesstarttheirtriptoPacificGroveA.FromCentralAmerica.B.FromtheWestCoast.C.FromCalifornia.D.FromMexico.
InJune2007agroupofstudentsfromeighthighschoolsinWinnipegthecapitalofCanada’sManitobaprovincewillbegintest-launching试发射asatellitethesizeofaRubik’scubE.Theone-kilogramWin-Cubsatellitenamedforitshomecityanditsshapewillbeputintoloworbit.Onceinspaceitcanperformforafewmonthsoruptoseveralyearscommunicatinginformationthatcouldhelpfindthesignsofearthquakes.Thereare80similarsatelliteprojectsworldwidebutthisisthefirsthigh-schoolbasedprogramofitskindinCanada.30Manitobahighschoolstudentsarehavingahandindesigningandbuildingthesatelliteincooperationwithaerospace航空航天的expertsand10studentsfromtheUniversityofManitobaandwithsupportfromtwootherorganizations.TheWin-Cubeprojectisnotsomethingthatgoesonapieceofpaper;itisreal-worldengineeringallowinghighschoolstudentstohaveanopportunitytolearnmoreabouttheexcitingworldofengineeringthroughtheirparticipationinthischallengingprogram.ItisalsotakenasawonderfulexampleoftheuniquepartnershipswithinManitoba.Designingbuildingandlaunchingasatellitewithhigh-schoolparticipationwillbringthisworld-classeducationalprojectintorealityandManitobaclosertospacE.TheseManitobahighschoolstudentsdeservecongratulationsfortheirenthusiasminnovation创新andastronglovefordiscoverysaidEducationCitizenshipandYouthMinisterPeterBjomson.Wewanttomakesciencemorerelevant相关的interestingandattractivetohighschoolstudentsbyshowingthemhowclassroomstudiescanrelatetopracticalexperienceintheworkplaceorinthiscaseinspaceBjomsonaddeD.TheWin-Cubeprogramismainlynamedatinspiringastrongdesirefordiscoveryonthepartofthestudents.ItalsoshowsManitoba’sdevotiontoresearchandinnovationandthedevelopmentofaskilledworkforce―allimportantdriversofknowledge-basedeconomicgrowth.56.AccordingtothepassagetheWin-Cubesatelliteis_________.A.namedafterManitobaanditsshapeB.intendedforinternationalcommunicationC.designedlikeaRubik’scubebothinshapeandsizeD.challengedbyuniversitystudentsaroundtheworld57.AccordingtoMr.Bjomson___________.A.thoseManitobahighschoolstudentsareworthpraisingB.thestudyofspacecanbepracticallymadeinclassroomsC.ManitobahighschoolsarefamousforthestudyofspaceD.scientificresearchistoofarawayfromhighschoolstudents58.Theprimarypurposeoftheprojectisto_________.A.findtheearlysignsofearthquakesB.relatestudiestopracticalC.helphighschoolstudentsstudyreal-worldengineeringD.inspireastrongdesirefordiscoveryamongthestudents59.Thebesttitleforthispassagemaybe________.A.ManitobaSchoolB.Win-CubeProgramC.SpaceCo-operationD.SatelliteLaunching
Overthelast70yearsresearchershavebeenstudyinghappyandunhappypeopleandfinallyfoundouttenfactorsthatmakeadifferencE.Ourfeelingsofwell-beingatanymomentaredeterminedtoacertaindegreebygenes.Howeverofallthefactorswealthandagearethetoptwo.Moneycanbuyadegreeofhappiness.ButonceyoucanaffordtofeedclotheandhouseyourselfeachextradollarmakeslessandlessdifferencE.Researchersfindthatonaveragewealthierpeoplearehappier.Butthelinkbetweenmoneyandhappinessiscomplex.Inthepasthalf-centuryaverageincomehassharplyincreasedindevelopedcountriesyethappinesslevelshaveremainedalmostthesamE.Onceyourbasicneedsaremetmoneyonlyseemstoincreasehappinessifyouhavemorethanyourfriendsneighborsandcolleagues.Dollarsbuystatusandstatusmakespeoplefeelbetterconcludesomeexpertswhichhelpsexplainwhypeoplewhocanseekstatusinotherways-scientistsoractorsforexample-mayhappilyacceptrelativelypoorly-paidjobs.InaresearchProfessorAlexMichalosfoundthatthepeoplewhosedesires-notjustformoneybutforfriendsfamilyjobhealth-rosefurthestbeyondwhattheyalreadyhadtendedtobelesshappythanthosewhofeltasmallergap差距IndeedthesizeofthegappredictedhappinessaboutfivetimesbetterthanincomealonE.ThegapmeasuresjustblowawaytheonlymeasuresofincomE.saysMichalos.AnotherfactorthathastodowithhappinessisagE.OldagemaynotbesobadGivenalltheproblemsofaginghowcouldtheelderlybemoresatisfiedasksProfessorLauraCarstensen.InonesurveyCarstenseninterviewed184peoplebetweentheagesof18and94andaskedthemtofilloutanemotionsquestionnairE.ShefoundthatoldpeoplereportedpositiveemotionsjustasoftenasyoungpeopleSomescientistssuggestolderpeoplemayexpectlifetobeharderandlearntolivewithitorthey’remorerealisticabouttheirtimerunningoutolderpeoplehavelearnedtofocusonthingsthatmakethemhappyandletgoofthosethatdon’t.Peoplerealizenotonlywhattheyhavebutalsothatwhattheyhavecannotlastforevershesays.Agoodbyekisstoahusbandorwifeattheageof85forexamplemaybringfarmorecomplexemotionalresponsesthanasimilarkisstoaboyorgirlfriendattheageof20.72.Accordingtothepassagethefeelingofhappiness.A.isdeterminedpartlybygenesB.increasesgraduallywithageC.haslittletodowithwealthD.ismeasuredbydesires72.Someactorswouldliketoacceptpoorly-paidjobsbecausethejobs.A.makethemfeelmuchbetterB.providechancestomakefriendsC.improsetheirsocialpositionD.satisfytheirprofessionalinterests74.Agedpeoplearemorelikelytofeelhappybecausetheyaremore.A.optimisticB.successfulC.practicalD.emotional75.ProfessorAlexMichalosfoundthatpeoplefeellesshappyif.A.thegapbetweenrealityanddesireisbiggerB.theyhaveastrongerdesireforfriendshipC.theirincomeisbelowtheirexpectationD.thehopeforgoodhealthisgreater
Researchersareplacingroboticdogs机器狗inthehomesoflonelyoldpeopletodeterminewhethertheycanimprovethequalityoflifeforhumans.AlanBeckanexpertinhuman-animalrelationshipandNancyEdwardsaprofessorofnursingareleadingthephysicalactivityandlifesatisfaction.Noonewillarguethatanolderpersonisbetteroffbeingmoreactivechallengedorstimulated刺激Edwardspointsout.Theproblemishowwepromote使成为现实thatespeciallyforthosewithoutfriendsorhelp.A.roboticdogcouldbeasolution.InthestudytherobotcalledAIBOisplacedforsixweeksinthehousesofsomeoldpeoplewholivealonE.BeforeplacingAIBOinthehomeresearcherswillcollectbaselinedataforsixweeks.TheseoldpeoplewillkeepadiarytonotetheirfeelingsandactivitybeforeandafterAIBO.Thentheresearcherswillreviewthedatatodetermineifithasinspiredanychangesinthelifeofitsowner.Italktohimallthetimeandherespondstomyvoicesaysaseventy-year-oldlady.WhenI’mwatchingTV.he’llstayinmyarmsuntilhewantsdown.Hehasamindofhisown.TheAIBOsrespondtocertainorders.TheresearcherssaytheyhavesomeadvantagesoverlivedogsespeciallyforoldpeoplE.Oftentheelderlyaredisabledandcannotcareforananimalbywalkingitorplayingwithit.A.roboticdogremovesexerciseandfeedingconcerns.AtthebeginningitwasbelievedthatnoonewouldrelatetotheroboticdogbecauseitwasmetalandnotfurryBecksays.Butit’samazinghowquicklywehavegivenupthatbelief.Hopefullydowntheroadtheseroboticpetscouldbecomeamore-valuablehealthhelper.Theywillrecordtheirmasters’bloodpressurE.oxygenlevelsorheartrhythms.AIBOsmayevenonedayhavegamesthatcanhelpstimulateolderpeople’sminds.48.ThepurposeofBeckandEdwards’studyisto______.A.understandhuman-animalrelationshipB.makelonelyoldpeople’slifebetterC.findthecausesofoldpeople’slonelinessD.promotetheanimal-assistedresearch49.Intheresearchtheoldpeopleareaskedto______.A.notetheactivitiesofAIBOsB.keepAIBOsathomefor12weeksC.recordtheirfeelingsandactivityD.analyzethecollectedinformation50.WhatistheadvantageofAIBOoverlivedogs?A.ItiseasiertokeepathomE.B.Itcanhelpthedisabledpeople/C.Itrespondstoallthehumanorder.D.ItcanwatchTVwithitsowner.51.Theauthorseemstosuggestthatthefutureroboticdogsmay________.A.curecertaindiseasesB.keepoldpeopleactiveC.changepeople’sbeliefsD.lookmorelikerealdogs
Asskiesarefilledwithmillionsofmigrating迁徙birdsEuropeanscientistssaytheseasonalwonderappearstobestrange:Thefatterthebirdtilebetteritflies.Theresultsoftheirstudyledtoatheoryoppositetoacentraloneofaerodynamics空气动力学whichsaysthatthepowerneededtoflyincreaseswithweight.Forbirdsobviouslythecostofflyingwithheavyfatismuchsmallerthanweusedtothink.Researchersfoundthatredknotwadingbirdsdoubletheirnormalbodyweightof100gramsbeforemakingtheirtwice-a-yearnonstopflightbetweentheBritishIslesandtheRussianArctiC.Distance:5000kilometers.AnotherstudyinthemagazineNaturemeasuredtheadvantageofflyinginanaerodynamicgroupwhichallowsbirdstosaveenergybyflyingsmoothlyandquietlyintheleadbird'sairstream.Flyingingroupstheirheartrateswere14.5percentlowerthanflyingaloneaccordingtoHenriaFrenchscientist.Thefindingshelpexplainhowbirdscompletedifficultmigrations.ResearchershadthoughtthatthinnerstrongerbirdswouldhavethebestchancetosurvivE.Thefirststudysuggeststhatbuildingupfattobeburntasfuelduringthemigrationisworthmorethantheenergyittakestocarrytheadditionalweight.Inthestudyresearcherssaidtheirteamstudiedthebirdsflownatdifferentbodyweightsduring28simulated模拟的flights.Theyforcedasmallamountofspecialwaterintothebirds'bodiessothattheycouldmeasuretheamountofenergyburntduringtheflight.60.A.redknotwadingbirdof100gramswillprobablyweigh________beforemakingitsnonstopmigratingflight.A.50gramsB.100gramsC.150gramsD.200grams61.DuringtheirmigratingflightredknotwadingbirdscansaveenergybyflyingA.separatelyB.aloneC.ingroupsD.inpairs62.A.________redknotwadingbirdhasabetterchancetosurviveduringitsmigratingflight.A.strongerB.weakerC.thinnerD.fatter63.Thebesttitleforthispassagemayprobablybe________.BirdsThinDownForJourneyBirdsFattenUpForJourneyHowBirdsBuildUpFatForJourneyHowBirdsBurnEnergyForJourney
BrianWalkerchewspens.Hebitesthemsohardthathisbosshaswarnedhimtostoporbuyhisown.Kate’sweaknessismoreacceptable-sheisunabletowalkpastacakeshopwithoutovereatingSophinCartierfindshercigarettehabitaheadachewhileAlice’sthumb-suckingdrivesherboyfriendcrazy.Fourpeoplewithverydifferenthabitsbuttheyallshareacommonproblemanxietydisorderorinseriouscases.ObsessiveCompulsiveDisorderOCD.Fromnail-bitingtotoomuchhand-washingovereatingandinternetaddiction上瘾OCDiswidespreadinalmosteveryworkplaceandcountlesshomE.ItisarelativelycommonformofnxietysaysDr.MooteE.ThemainfeatureofOCDistherepetitionofunwantedobsessive过度的thoughtssuchasworriesthatdoorsareleftunlockedgasorelectricalappliancesarelefton.Inordertofightagainsttheessaycheckingdoorlocksandgasorelectricalappliandces.Dr.MooteesaysthatrepetitivewashingparticularlyofthehandsisthemostcommontypeofOCD.Shehastreatedmanypatientswhowashtheirhandsupto30timesaday.ThetechniqueMooteeusestotreatpeoplewithOCDiscalledcognitive-behavioraltherapy认知行为疗法.ItisbasedonthegeneralideathatpeoplehavetheabilitytochangethewaytheythinkandbehavesaysMooteE.Butwhendoesahabitbecomeaproblem?It’spersonalsaysMooteE.Everyonehassomethingunusualbutifyoucan’tputupwithitthenit’saproblemandyouneedtodosomethingtochangeit.Mooteesaysmanypeopleresistfortreatmentbecausetheyfeartheyarecrazy.Butaspeoplebecomemoreknowledgeableabouttheseproblemstheywillgoandgethelp.Theonlywaytocureistoconquer.68.IfapersonsuffersfromOCDbeislikelytokeepdoinganyofthefollowingEXCEPT.A.chewingpensB.hurtinghimselfC.suckingfingersD.bitingnails69.AccordingtothepassageapersonsufferingfromOCD.A.reduceshis/heranxietybytakingdrugsB.getsintounwantedhabitstorelievestressC.hasunwantedthoughtsabouthabitsD.hasunwantedthoughtsbecauseofillness70.Dr.Mootee’streatinglechniqueisbasedontheideathat.A.everyonehassomethingdifferentB.peoplecanputupwiththeirproblemsC.peoplecanchattheirwayofthinkingandactionD.peopletendtorepeattheirobsessiveactions71.BysayingTheonlywaytocureistoconquer.Dr.MooteesuggeststhatanOCDsufferer.A.hastobeanextraordinarypersonB.mustcurehisillnessbyhimselfC.mustovercomemanyphysicalillnessesD.shouldhavearightattitudetowardstheproblem
EdwardWilsonisAmerica’sifnottheworld’sleadingnaturalist.InTheFutureofLifehetakesusonatouroftheworld’snaturalresources资源.Howaretheyused?Whathasbeenlost?Whatremainsandisitabletocontinuewiththepresentspeedofuse?Wilsonalsopointsouttheneedtounderstandfullythebiodiversity生物多样性ofourearth.Wilsonbeginswithanopenlettertothepioneerinenvironment环境protectionHenryDavidThoreau.Hecomparestoday’sWaldenPondwiththatofThoreau’sday.Wilsonwillusesuchcomparisonsfortherestofthebook.Theproblemisclear:manhasdonegreatdamagetohishomeovertheyears.Vantheearthwithhumanhelpbemadetoreturntobiodiversitylevelsthatwillbeabletosupportusinthefuture?BiodiversityWilsonarguesisthekeytosettlingmanyproblemstheearthfacestoday.Evenouragriculturalcropscangainadvantagesfromit.A.merehundredspecies物种arethebasisofourfoodsupplyofwhichbuttwentycarrytheloaD.Wilsonsuggestschangingthissituationbylookingintotenthousandspeciesthatcouldbemadeuseofwhichwillbeawaytoreducetheclearingofthenaturalhomesofplantsandanimalstoenlargefarmingareas.AttheendofthebookWilsondiscussestheimportanceofhumanvaluesinconsideringtheenvironment.Ifyouaretocontinuetoliveontheearthyoumaywellreadandactontheideasinthisbook.72.WelearnfromthetextthatWilsoncaresmostabout______A.theenvironmentforplantsB.thebiodiversityofourearthC.thewastesofnaturalresourcesD.theimportanceofhumanvalues73.Howmanyspeciesaremostimportanttoourpresentfoodsupply?A.Twenty.B.Eighty.C.OnehundredD.TenthousanD.74.Wilsonsuggeststhatonewaytokeepbiodiversityisto_______.A.learnhowtofarmscientificallyB.buildhomesforsomedyingspeciesC.makeitclearwhattoeatD.usemorespeciesforfood75.Wecaninferthatthetextis_______A.adescriptionofnaturalresourcesB.aresearchreportC.abookreviewD.anintroductiontoascientist.
ThedammingofriversystemsinthenorthwesternUnitedStateshashaddamagingeffectsonsalmon鲑鱼.Inthespringyoungsalmoncalledsmoltsdriftintoriversfromsmallerstreams.TheyswimwiththecurrentdownstreamheadingforthePacificOcean.Beforethelarge-scaleconstructionsofdams水坝theyoungsalmonusedthestrongflowfrommeltingsnowstogettotheseainbetweensixandtwentydays.Itisnecessarytodothisbecauseduringthesedaysthesmolts’bodiesundergothephysiologicalchangesforadaptationtosaltwater.Unfortunatelythecurrenthasbecomeveryslowduetotheconstructionofnumerousdams.Companiesoperatingthedamsalsointentionallyslowthecurrent.TheystorethewaterfromthemeltingsnowuntilthewinterwhenmoreelectricpowerisneedeD.Thenetresultisthatmanyoftheyoungfishdonotsurvivethenowsixty-daytriptotheseA.Consequentlytherearefeweradultsalmontomigrate回游backuptheriversforbreeding.Whenthetimecomesforthesalmontoreturntheyagainfacetheproblemofdams.Asfeweradultsalmonareabletogetbacktotheircoolupstreamwatertheyfailtoproduceasufficientlynewgenerationofsalmon.Thiscyclecouldeventuallyleadtotheextinctionofthefish.Attemptsarebeingmadetotransporttheyoungsalmondownriverbyboats.Howevermanyscientiststhinkthatthisartificialmethodofgettingthefishtotheseakillsmorethanitsaves.Anothersuggestionrecentlyproposedbyenvironmentalistsistoincreasetherateofwaterflow.Thiswouldbeapartial部分的solutiontothedecliningsalmonnumbers.Onemethodofdoingthiswouldcallforreleasingwaterfromupstreamdam.Thiswouldspeedupthedownstreammovementofthesmolts.Anothermethodwouldbetoreducethewaterlevelinthedamsforaperiodinthespringwhenthesmoltsaremigratingdownstream.Thiswouldalsoincreasetheflowratetemporarilywithoutrequiringlargeamountsofwaterandthusenabletheyoungsalmontomovedownstreamfaster.Unfortunatelybothoftheseproposalshavemetwithcriticismfromthepowercompanieswhichstronglysuggeststheuncertainfateofthesalmonintheregion.76.What’sthemaintopicofthepassage?A.ThefailureofadultsalmontoreproducE.B.Theimportanceofsmoltsreturningupstream.C.Theneedforsmoltstoreachsaltwaterquickly.D.Theharmcausedtosalmonbyriverdamming.77.ThepassagediscussesallofthefollowingmethodsofdealingwithsalmonissueEXCEPT_____.A.carryingthefishinboatsB.allowingwatertobereleasedfromupstreamdamsC.droppingwaterlevelsindamsD.breedingsalmon78.Inparagraph3whatdoestheauthormeanbythestatementthatmanyscientiststhinkthatthisartificialmethodofgettingthefishtotheseakillsmorethanitsaves?A.Savingfishisartificial.B.MorefishdiewhentransportedthanwoulddieotherwiseC.Artificialmethodsoftransportationgivesalmonthechancetogetadaptedtosaltwater.D.Theseakillsmorefishthanaresavedbytransportation.79.Whichofthefollowingstatementswouldtheauthormostprobablyagreewith?A.ThesalmonproblemislikelytocontinuE.B.A.solutiontothesalmonproblemwillbefoundinthenearfuturE.C.Salmonwillbeextinctveryquickly.D.Thegovernmentshouldstepinandprovideawayout.
SometimeearlyinthenextcenturyhumanbeingswillmovetoMars.Theywilllivethereforaboutayearandthenwillbereplacedwithanothergroupofpioneers.BuildingthebaseonMarswilladvanceourknowledgeofthesolarsystemandaidinourunderstandingoftheearth.WealreadyknowthatMarsresemblestheearthinmanyaspects:generalsizepresenceofwaterlengthofdayrangeoftemperatures.Theseresemblanceshavecausedmanypeopletoconsideracenturies-longproject:toterraformMars.Terraformingmeansalteringaplanet’ssurfacesothatEarth’slifeformscansurvivetherE.Thisconceptpreviouslyfoundonlyinsciencefictionisnowbeingseriouslyconsideredbyscientists.TerraformingMarsistheoreticallysimple:addnitrogenandoxygentotheatmosphere;pumpwatertothesurface;andaddtheearth’splantsandanimalsintheorderinwhichtheydevelopedonEarth.Butitwilltakeatleast300years.Somepeoplethinkthatsuchaprojectistoohugeforhumanstoundertakebutthereareverygoodreasonstomaketheattempt.Theearthnowcontainssome6billionpeopleandnoonehasanyideaofhowmanyhumanstheearthcansupport.Ourveryexistenceandnumbersarethreateningmanyotherspecies.Wealsohavehadsomeexperiencewithterraformingourownplanet:alteringthelandscapetheatmosphereandtheclimatE.CurrentlyterraformingEarthhasbecomeawiseractivityaswetrytocontrolglobalwarmingairandwaterpollutionandpreservesomenaturallivingplaces.SmallasthepossibilityofsuchaprojectisitisnotimpossiblE.Evenifearth-boundsocietiescomeandgointhenext300yearstheprojectcancontinuethroughtheworkoftheMarssettlerswithouttheneedforconstantbackingfromtheearth.ThefutureexistenceofallthepeopleinourworldmayverywelldependuponourabilitytoterraformMars.Whatwouldbethebesttitleforthispassage?A.TerraformingMars.B.SavingtheEarth.C.TravellingtoMars.D.ANewly-foundPlacE.Whatdoestheunderlinedwordalteringmeaninthesecondparagraph?A.Warming.B.Changing.C.Planting.D.Building.AccordingtothepassagethemainpurposeofterraformingMarsisto_____.A.dosomescientificresearchworkB.findoutitssimilaritytoEarthC.avoidthedyingawayofmanyotherspeciesD.findonMarslivingplacefortheincreasinghumanbeingsThemainreasonforcausingmanypeopletoconsiderterraformingMarsisthat_____.A.therearesomeresemblancesbetweenEarthandMarsB.terraformingMarsistheoreticallysimpleC.wehavehadsomeexperiencewithterraformingourownplanet:EarthD.thedevelopmentofscienceandtechnologyisveryrapid
InmostsituationslighthelpsusseE.Butwhenitcomestolookingatthenightskylightisactuallyakindofpollution.Itpreventsourviewofsomeoflife’smoststrikingsights:starsplanetsandevengalaxies.WhenIwasalittleboyIlovedthenightsky.Irememberlookingupandtheskywasfilledwithstars.IbecameanastronomerbecauseIwasamazedbytheirbeautysaysRobertgentNowinmostbigcitieskidscan’tseethestarslikeIdiD.Normallyabout2500individualstarsarevisibletothenakedeyewithoutusinganyspecialequipment.Butbecauseoflightpollutionyouactuallyseejust200to300andfewerthanadozenfromsomecities.OnlyoneinthreeAmericanscanseeourowngalaxy星系withthenakedeyE.Thosepeoplelivefarawayfromthelightsofbigcitiesofficebuildingandshoppingmalls.Fortunatelythere’saninexpensiveandusefulway.Ifweshinelightsdownatthegroundinsteadofupintotheskyanduselowerbrightnesslevelswecansavebigamountsofenergyandkeepthebeautyofthenightskies.Manycitiesandtownshavepassedlawslimitinglightsatnightmakingsureenoughshineforsafetywithoutcreatingmuchlightpollution.LightpollutionaffectsmorethanourviewoftheheavensandcanharmwildlifE.Migrating迁移birdssometimesflyovercitiesandbecomeconfusedbythebrightnessflyingincirclesuntiltheydropfromexhaustion.Seaturtlesneeddarkbeachesfornestingandwon’tapproachbrightlights.Toomuchlightatnightmayevenaffecthumanhealth.ForallthesereasonsresearchersareworkingonwaystouselightonlywhenandwheretheyaretrulyneedeD.Everyonedeservestolookupatthesky.Accordingtothetextusingournakedeyes______________.A.peopleinremoteareascanseemorestarsthanthoseinbigcitiesB.overonethirdAmericanscanseeourowngalaxyC.aboutoneinthreeAmericansinbigcitiescanseeourowngalaxyD.Americanscanonlysee200to300starsManycitiesandtownshavepassedlawslimitinglightsatnightmainlyto_________.A.savetheelectricityB.makesureofcities’safetyC.letyoucountthenumberofstarsD.avoidmuchlightpollutionInhowmanywayswillthelightpollutiondoharm?A.OneB.TwoC.ThreeD.FourTheunderlinedwordexhaustioninthelastparagraphmeans_________.A.airpollutionB.tirednessC.breathD.brightness
AnenvironmentalgroupcalledtheFoodCommissionisunhappyanddisappointedbecauseofthesaleofbottledwaterfromJapan.Thewateritangrilyarguesanpublichastraveled10000foodmilesbeforeitreachesWesterncustomers.TransportingwaterhalfwayacrosstheworldissurelytheextremelystupiduseoffuelwhenthereisplentyofwaterintheUK.Itisalsoworriedthatwearewastingourfuelbybuyingprawns对虾fromIndonesia7000foodmilesandcarrotsfromSoothAfrica5900foodmiles.Countingthenumberofmilestraveledbyaproductisastrangewayoftryingtotellthetruesituationoftheenvironmentaldamageclonebyanindustry.Mostfoodistransportedaroundtheworldoncontainershipsthatareextremelyenergy-efficient高能效的.Itshouldbenotedthatatonofbuttertransported25milesinatrucktoafarmers'marketdoesnotnecessarilyuselessfuelonitsjourneythanasimilarproducttransportedhundredsofmilesbyseA.Besidestheideaoffoodmilesignorestheamountoffuelusedintheproduction.ItispossibletocutdownyourfoodmilesbybuyingtomatoesgrowninBritainratherthanthosegrowninGhana;thedifferenceisthattheBritishoneswillhavebeenraisedinheatedgreenhousesandtheGhanaianonesintheopensun.WhattheideaoffoodmilesdoesprovidehoweveristhechancetocutoutThirdWorldcountriesfromFirstWorldfoodmarkets.ThenumberofmilestraveledbyourfoodshouldasIseeitberegardedasasignofthesuccessoftheglobal全球的tradesystemnotasignofdamagetotheenvironment.68.TheFoodCommissionisangrybecauseitthinksthat_______A.UKwastesalotofmoneyimportingfoodproductsB.someimportedgoodscauseenvironmentaldamageC.growingcertainvegetablesdamagestheenvironmentD.peoplewasteenergybuyingfoodfromothercountries69.Thephrasefoodmilesinthepassagereferstothedistance_______.A.thatafoodproducttravelstoamarketB.thatafoodproducttravelsfromonemarkettoanotherC.betweenUKandotherfoodproducingcountriesD.betweenaThirdWorldcountryandaFirstWorldfoodmarket70.BycomparingtomatoesraisedinBritainandinGhanatheauthortriestoexplainthat______A.BritishtomatoesarehealthierthanGhanaianonesB.GhanaiantomatoestastebetterthanBritishonesC.cuttingdownfoodmilesmaynotnecessarilysavefuelD.protectingtheenvironmentmaycostalotofmoney71.Fromthepassageweknowthattheauthorismostprobably.__A.asupporteroffreeglobaltradeB.amemberoftheFoodCommissionC.asupporterofFirstWorldfoodmarketsD.amemberofanenergydevelopmentgroup
Theglobalenergycrisisisapproaching.Whatcanwedo?HerearesomestepsyoucantakE.Coolingputsthegreateststressonyoursummerenergybillandthepowergrid电网.Justasatune-upforyourcarcanimproveyourgasmileageayearlytune-upyourheatingandcoolingsystemcanimproveefficiencyandcomfort.CleanorreplacefiltersmonthlyorasneedeD.ForcentralairconditioningsystemsandroomsirconditionerslookfortheENERGYSTARthefederalgovernment’ssymbolforenergyefficiency.ForcentralairpurchasethesystemwiththehighestpossibleSeasonalEnergyEfficiencyRatioSEER.Useenergy-efficientceilingfanseitheraloneorwithairconditioningCeilingfansdoagreatjobofcirculatingair.Whenusedwithairconditioningfansallowyoutoraisethethermostat恒温器andcutcosts.Ceilingfanscoolpeoplenotroomssobeforeyouleaveturnofftheceilingfan.Letaprogrammablethermostatrememberforyoutoautomaticallyadjusttheindoorclimatewithyourdailyandweekendpatternstoreducecoolingbillsbyupto10percent.Youcancomehometoacomfortablehousewithoutwastingenergyandcrestingpollutionalldaywhileyouareatwork.Trytomakeyourhomeairtightenoughtoincreaseyourcomfortmakeyourhomequieterandcleanerandreduceyourcoolingcostsupto20percent.Cutyourairconditioningloadandreducepollutionbyplantingleafytreesaroundyourhomeandfixingreflectivebricksonyourroof.Closeblindsorshadesonsouth-andwest-facingwindowsduringthedayorfixshadingequipmenttoavoidbeatbuild-up.Turnoffeverythingnotinuse:lightsTVscomputers.Andusefluorescentbulbs荧光灯whichprovidebrightwarmlightwhileusingatleasttwo-thirdslessenergyproducing70percentJessbeatandlastingupto10timeslongerthanincandescentbulbs白炽灯.DrivethecarthatgetsbettergasmileagewheneverpossibleifyouownmorethanonevehiclE.Ifyoudrive12500milesayearswitching10percentofyourtripsfromacarthatgets20milespergallontoonethatgets30mpgwillsaveyoumorethan$65peryear.Carpool.TheaverageU.S.commutes乘车上班族couldsaveabout$260ayearbysharingcarstwiceaWeekwithtwootherpeopleinacarthatgets20.1mpg―assumingthethreepassengerssharethecostofgas.68.Accordingtothepassagethethermostatisusedto.A.makeroomsquieterB.controlroomtemperatureC.turnofftheairconditionerD.reduceroomairpollution69.Wecanconcludefromthepassagethattheauthorprobablydiscourages.A.plantingleafytreesaroundyourhomeB.turningofftheceilingfanbeforeyouleaveyourhouseC.keepingyoursouth-facingwindowsopenduringthedayD.usingfluorescentbulbsinsteadofincandescentbulbs70.Thispassageismainlyabout.A.energy-savingtipsB.fuel-savingtipsC.doityourselftipsD.environment-protecting
AstudypublishedinSeptembersuggeststhereisasurprisingwaytogetpeopletoavoidunhealthyfoods;changetheirmemories.ScientistElizabethLoftusoftheUniversityofCaliforniaatIrvineaskedvolunteerstoanswersomequestionsontheirpersonalities个性andfoodexperiences.OneweeklaterLoftussayswetoldthosepeoplewe’dfedtheiranswersintooursmartcomputeranditcameupwithanaccountoftheirearlychildhoodexperiences.Someaccountsincludedonekeyadditionaldetail细节:Yougotsickaftereatingstrawberryice-cream.Theresearchersthenchangedthisdetailintoamanufactured人为促生的memorythroughleadingquestions－Whowereyouwith?Howdidyoufeel?Bytheendofthestudyupto41%ofthosegivenafalsememorybelievedstrawberryice-creamoncemadethemsickandmanysaidthey’davoideatingit.WhenLoftuspublishedherfindingsshestartedgettingcallsfrompeoplebegginghertomakethemrememberhatingchocolateorFrenchfries.Unfortunatelyit’snotthateasy.Falsememoriesappeartoworkonlyforfoodsyoudon’teatonaregularbasis.Butmostimportantitislikelythatfalsememoriescanbeimplanted灌输onlyinpeoplewhoareunawareofthementalcontrol.Andlyingtoapatientisimmoralevenifadoctorbelievesit’sforthepatient’sbenefit.Loftussaysthere’snothingtostopparentsfromtryingitwiththeiroverweightchildren.Isaywakeup－parentshavebeenlyingaboutFatherChristmasforyearsandnobodyseemstominD.Iftheycanpreventdiseasescausedbyfatnessandalltheotherproblemsthatcomewiththatyoumightthinkthat’samoremoralliE.Decidethatforyourself.72.WhydidLoftusaskthevolunteerstoanswersomequestions?A.Toimprovehercomputerprogram.B.TofindouttheirattitudestowardsfooD.C.Tofindoutdetailsshecanmakeuseof.D.Topredictwhatfoodthey’lllikeinthefuturE.73.WhatdidLoftusfindoutfromherresearch?A.Peoplebelievewhatthecomputertellsthem.B.PeoplecanbeledtobelieveinsomethingfalsE.C.Peopletendtoforgettheirchildhoodexperiences.D.Peoplearenotalwaysawareoftheirpersonalities.74.Accordingtothestudypeoplemaystophavingacertainfoodifthey_____.A.learnitisharmfulforhealthB.lietothemselvesthattheydon’twantitC.arewillingtoletdoctorscontroltheirmindsD.thinktheyoncehadabadexperienceofeatingit75.Whatisthebiggestconcernwiththemethod?A.Whetheritismoral.B.Whoitisbestfor.C.WhenitiseffectivE.D.HowitshouldbeuseD.
AsimplepieceofclotheslinehangsbetweensomeenvironmentallyfriendlyAmericansandtheirneighbors.Ononesidestandthosewhoseeclothesdryers干衣机asawasteofenergyandamajorpolluteroftheenvironment.Asaresulttheyareturningtoclotheslinesaspartofthewhat-Icandoenvironmentalism环境保护主义.Ontheothersidearepeoplewhoareagainstdryingclothesoutsidearguingthatclotheslinesareunpleasanttolookat.TheyhavepersuadedHomeownersAssociationsHOAsaccesstheU.S.tobanoutdoorclotheslinesbecauseclotheslinedryingalsotendstolowerhomevalueintheneighborhooD.ThishadledtoaRight-to-DryMovementthatiscallingforlawstobepassedtoprotectpeople’srighttouseclotheslines.SofaronlythreestateshavelawstoprotectclotheslinE.Right-to-DrysupportersarguethatthereshouldbemovE.MattReck37isthekindofeco-conscious有生态意识的personwhofeedshistreeswithbathwaterandreuseswaterdropsfromhisairconditionerstowaterplants.HisfamilyalsousesaclotheslinE.ButonJuly92007theHOAinWakeForestNorthCarolinatoldhimthatadissatisfiedneighlzirhadtelephonedthemabouthimclotheslinE.TheReckspaidnoattentiontothewarmingandstilldriedtheirclothesonalineintheyarD.Manypeoplesaytheyareenvironmentallyfriendlybuttheydon’ttakemattersintheirownhandssaysReck.ThelocalHOAhasdecidednottotakeanyactionunlessmoreneighborscometothem.NorthCarolinalawmakersaresayingthatbanningclotheslinesisnottherightthingtodo.ButHOAsandhousingbusinessesbelievethatclotheslinedryingremindspeopleofpoorneighborhoods.Theyworrythatifbuyersthinktheirfutureneighborscan’tevenafforddryershousingpriceswillfall.EnvironmentalistssaysuchworriesarenotnecessaryandinviewofglobalwarmingthatideaneedstochangE.AstheysayTheclotheslineisbeautiful.HangingclothesoutsideshouldbeencourageD.Weallhavetodoatleastsomethingtoslowdowntheprocessofglobalwarming.57.Oneofthereasonswhysupportersofclothesdryersaretryingtohamclotheslinedryingisthat____.A.clothesdryersaremoreefficientB.clotheslinedryingreduceshomevalueC.clothesdryersareenergy-savingD.clotheslinedryingisnotallowedinmostU.S.states58.WhichofthefollowingbestdescribesMattReck?A.Heisakind-heartedman.B.Heisanimpoliteman.C.Heisandexperiencedgardener.D.Heisamanofsocialresponsibility.59.Whoareinfavorofclotheslinedrying?A.housingbusinesses.B.Environmentalists.C.HomeownersAssociations.D.Reck’sdissatisfiedneighbors.60.Whatismainlydiscussedinthetext?A.Clotheslinedrying:awaytosaveenergyandmoney.B.Clotheslinedrying:alostartrediscovereD.C.Oppositeopinionsonclotheslinedrying.D.Differentvarietiesofclotheslines.
AtDallas/FortWorthAirportthelightsarecontrolledbysensorsthatmeasuresunlight.Theydimimmediatelywhenit'ssunnyandbrightenwhenapassingcloudblocksthesun.AwallofwindowsataUniversityofPennsylvaniaengineeringbuddinghasbuilt-inblinds百页窗controlledbyacomputerprogramthatfollowsthesun'spath.Buildingsaregettingsmarter--andthenextgenerationofbuildingmaterialsexpectedtodoevenmorE.Windowscouldcatchthesun'senergytoheatwater.Sensorsthatmeasurethecarbondioxidebreathedoutbypeopleinamomcoulddeterminewhethertheairconditioningneedstobeturnedup.Manynewmaterialsandtechnologyhavebeendesignedinthelast15years.TheynowbeingusedinawaveofbuildingsdesignedtosaveasmuchenergyaspossiblE.Theyincludeoldideaslikegreenroofswhereabeltofplantsonaroofhelpsthebuildingkeepheatinwinterandstaycoolinsummerandnewideaslikespecialcoatingforwindowsthatletslightinbutkeepsheatout.AstechnologiessuchassensorsbecomecheapertheirusesspreaD.Theelevators电梯atSevenWorldTradeCenterwhichisunderconstructioninNewYorkuseasystemthatgroupspeopletravelingtonearbyfloorintothesameelevatorthussavingelevatorstops.Peoplewhoworkinthebuildingwillenteritbyswiping刷IDcardsthatwilltelltheelevatorstheirfloor;readoutswillthentellthemwhichelevatortousE.Thebuildingalsohaswindowswithacoatingthatblockshealwhilelettinginlight.Morenewbuildingmaterialsandtechnologyareindevelopment.A.Philadelphiabuildingfarmisnowworkingonsmartwrapthatusestinysolarcollectorstocatchthesun'senergyandtransmitters传感器thewidthofahumanhairtomoveit.Theyareexpectedtochangethefaceoftheconstructionindustryinthenexttenyearsorso.72.__willbedevelopedandusedintheconstructionindustry.A.GreenmopsthatcoolorheatbuildingsB.Smartwrapthatcatchesthesun'senergyC.Sunlight-measuringsensorsthatcontrollightsD.Windowcoatingthatletslightinbutkeepsheatout73.TheelevatorsatSevenWorldTradeCenterarespecialbecausetheycan___A.sendpeopletofloorswithfewerstopsB.teachpeoplehowtousetheirIDcardsC.makepeoplestayverycoolinsummerD.helppeoplegotravelinginthebuilding74.Theunderlinedwordit'inthelastparagraphrefersto_____.A.ahumanbeingB.smartwrapC.thesun'senergyD.atransmitter75.Whatmightbethemostsuitabletitleforthetext?A.BuildingsAreBecomingSmarterB.BuildingsAreGettingMoreSunlightC.BuildingsAreLackinginMuchEnergyD.BuildingsAreUsingCheaperMaterials
WeexperiencedifferentformsoftheSun’senergyeveryday.Wecanseeitslightandfeelitswarmth.TheSunisthemajorsourceofevaporation蒸发ofwaterfromtheoceansandlakes.SunlightalsoprovidestheenergyusedbygreenplantstomaketheirownfooD.Thesegreenplantsthenprovidefoodforallorganisms生物ontheEarth.MuchoftheenergythatcomesfromtheSunneverreachestheEarth’ssurfacE.ItiseitherreflectedorabsorbedbythegasesintheupperatmospherE.Oftheenergythatreachestheloweratmosphere30%isreflectedbycloudsortheEarth’ssurfacE.Theremaining70%warmsthesurfaceoftheplanetcauseswatertoevaporateandprovidesenergyforthewatercycleandweather.Onlyatinypartapproximately0.023%isactuallyusedbygreenplantstoproducefooD.ManygasesfoundintheatmosphereactuallyreflectheatenergyescapingfromtheEarth’ssurfacebacktotheEarth.ThesegasesactliketheglassofagreenhouseinthattheyallowenergyfromtheSuntoenterbutpreventenergyfromleaving.Theyarethereforecalledgreenhousegases.WhensunlightstrikesanobjectsomeoftheenergyisabsorbedandsomeisreflecteD.TheamountreflecteddependsonthesurfacE.Forexampleyou’veprobablynoticedhowbrightsnowiswhensunlightfallsonit.SnowreflectsmostoftheenergyfromtheSunsoitcontributestothelowtemperaturesofwinter.Dark-colouredsurfacessuchasdarksoilorforestabsorbmoreenergyandhelpwarmthesurroundingair.59.AccordingtothepassagetherootcauseforweatherchangesontheEarthis______.A.theatmospheresurroundingtheEarthB.waterfromoceansandlakesC.energyfromtheSunD.greenhousegasesinthesky60.OnlyasmallpartoftheSun’senergyreachestheEarth’ssurfacebecausemostofit_______________.A.absorbedbythecloudsintheloweratmosphereB.reflectedbythegasesintheupperatmosphereC.lostintheupperandloweratmosphereD.usedtoevaporatewaterfromtheoceansandlakes61.Welearnfromthepassagethat_______________.A.alllivingthingsontheEarthdependontheSunfortheirfoodB.aforestlooksdarkinwinterbecauseitabsorbssolarenergyC.only0.023%oftheenergyfromtheSunismadeuseofontheEarthD.greenhousegasesallowheatenergytoescapefromtheEarth’ssurface
MostpeoplewhentheytraveltospacewouldliketostayinorbitforafewdaysofmorE.Andthisstandstoreasonifyou’repaying$20000foryourtriptoorbit!Strainorderfortourismtoreachitsfullpotentialthere’sgoingtobeaneedfororbitalaccommodation---orspacehotels.Whatwouldaspacehotelactuallybeliketovisit?Hotelsinorbitwilloffertheservicesyouexpectfromahotel------privateroomsmealsbars.Butthey’llalsooffertwouniqueexperiences:impressiveviews----ofEarthandspace---andtheendlessentertainmentoflivinginzerogravity---includingsportsandotheractivitiesthatmakeuseofthis.Thehotelsthemselveswillvarygreatly----frombeingquitesimpleintheearlydaystohugeluxurystructureatalaterdatE.It’sactuallysurprisingthataslateras1997veryfewdesignsforspacehotelswerepublisheD.Thisismainlybecausethosewhomightbeexpectedtodesignthemhaven’texpectedlaunchcoststocomedownfarenoughtomakethempossiblE.Lotsofpeoplewho’vebeentospacehavedescribedvividlywhatit’sliketoliveinzerogravity.Thereareobviouslyallsortofpossibilitiesfordancinggymnasticsandzero-Gsports.Luckilyyoudon’tneedtosleepmuchlivinginzerogravitysoyou’llhaveplentyoftimeforrelaxingbyhangingoutinabarwithawindowlookingdownattheturningEarthbelow.OfcourseallgoodthingshavecometoanenD.UnfortunatelyAndsoafterafewdaysyou’llfindyourselfheadingbackenoughyou’llbemuchmoreexpertatexercisinginzerogravitythanyouwerewhenyouarriveD.You’llbethinkinghowsoonyoucansaveupenoughtogetbackupagain---ormaybeyoushouldchangejobstogettoworkinanorbitinghotel.72.Whentravelinginspacemostpeoplewouldliketostayinorbitforafewdaysbecause_______.A.ItisexpensivetotravelinspaceB.theywouldfindthepossiblelifeinotherstarsystemsC.theycouldenjoytheluxuryofspacehotelsD.theywanttorealisethefullpotentialoftourism73.Whichofthefollowingisauniqueexperiencethatspacehotelswilloffer?A.ThegravitationalpullB.Thespecialviews.C.Therelaxationinabar.D.Thespacewalk.74.Whichofthefollowingisnotdiscussedinthepassage?A.Whenwasthespacetravelingmadepossible?B.Whataretheuniqueexperiencesthatspacehotelswilloffer?C.Whyweretherenotmanypublisheddesignsforspacehotels?D.Howcanthetravelersenjoythemselvesinspacehotels?75.Thispassageismainlyabout________.A.travelinginspaceB.thewaysoflivinginspacehotelsC.zerogravityandspacehotelsD.thedescriptionofspacehotels
Whatwillmanbelikeinthefuture—in5000oreven50000yearsfromnow?WecanonlymakeguessesofcoursebutwecanbesurethathewillbedifferentfromwhatheistodayformanisslowlychangingallthetimE.LetustakeanobviousexamplE.Manevenfivehundredyearsagowasshorterthanheistoday.Nowonaveragemenareaboutthreeinchestaller.Fivehundredyearsisarelativelyshortperiodoftimesowemayassumethatmanwillcontinuetogrowtaller.Againinthemodernworldweuseourbrainsagreatdeal.Evensowestillmakeuseofonlyabout20%ofthebrain’scapacity容量.Astimegoesonhoweverweshallhavetouseourbrainsmoreandmoreandeventuallyweshallneedlargerones!Thisislikelytobringaboutaphysicalchangetoo:theheadinparticulartheforeheadwillgrowlarger.NowadaysoureyesareinconstantusE.Infactweusethemsomuchthatveryoftentheybecomeweakerandwehavetowearglasses.Butoveraverylongperiodoftimeitislikelythatman’seyeswillgrowstronger.Ontheotherhandwetendtomakelessuseofourarmsandlegs.Theseasaresultarelikelytogrowweaker.AtthesametimehoweverourfingerswillgrowmoresensitivebecausetheyareusedagreatdealinmodernlifE.Butwhatabouthair?Thiswillprobablydisappearfromthebodyaltogetherincourseoftimebecauseitdoesnotserveausefulpurposeanylonger.InthefuturethenbothsexesarelikelytobebalD.Perhapsallthisgivestheimpressionthatfuturemanwillnotbeaveryattractivecreaturetolookat!ThismaywellbetruE.Allthesameinspiteofallthesechangesfuturemanwillstillhavealotincommonwithus.Hewillstillbeahumanbeingwiththoughtsandemotionssimilartoourown.56.Thesizeofman’sforeheadwillprobablygrowbiggerbecause_______.A.hewillusehisbrainmoreandmoreastimegoesonB.hemakesuseonly20%ofthebrain’scapacityC.hisbrainhasgrownlargeroverthepastcenturiesD.theother80%ofhisbrainwillgrowinduetime57.Whatservesastheevidencethatmanischanging?A.ManhasgotstrongereyesnowthanheeverhaD.B.Manhasbeengrowingtalleroverthepast500years.C.Man’shairisgettingthinnerandthinner.D.Man’sarmsandlegshavebecomelighterandweaker.58.Whatwillbetrueaboutahumanbeinginthefuture?A.Hewillbehairlessbecausehairisnolongeruseful.B.Hewillhavesmallereyesandwillwearbetterglasses.C.Hisfingerswillgrowweakerbecausehewon’thavetomakeuseofthem.D.Hewillthinkandfeelinadifferentway.59.Itisimpliedthat__________________.A.humanbeingswillbecomemoreattractiveinthefutureB.bodyorganswillbecomepooreriftheyarenotusedoftenC.humanbeingshopeforachangeinthefuturelifeD.futurelifeisalwayspredictable60.Thepassagemainlytellsusthat_______________.A.man’slifewillbedifferentinthefutureB.manisgrowingtalleranduglierastimepassesC.futuremanwilllookquitedifferentfromusD.humanbeings’organswillfunctionweaker
MylonoaIslandinautumnandwinterispeacefulandbeautiful.Itisperfectforarelaxingstayorabriefvisit.OnecanseeandenjoytheblueskiesthewidebeachesandalsohavewonderfulwalksinthehillsperhapsnoteverydaybutusuallyuntilthebeginningofJanuary.VisitorsandwintertouristsoftencometoMykonostodiscoverthetraditionalGreekislanD.TheycanescapebusyAthensafterbusinessorcalmdownafteralongEuropeantourbeforetravelingonfurthertoEgyptIsraelorAsiA.ApartfromthemoreusualtouristsyouwillfindvarioushikerswalkersreaderswritersbikersandsooninthisislanD.YoucanalsovisitthebeautifulDeloshikethroughmountainswalkonbeachesexploreanothersideoftheislandlifewithsomemonasteries修道院horserideortakepartinlocalgatheringsandmeetsomefriendlyMykoniansMykonos’climateisMediterraneanandmilD.Autumnisalwaysblueskiedandsunnywherethetemperatureonlydropsverygradually.ThenicedaysforbeachgoingandswimminglastuntilearlyJanuary.TherealwintermonthsarealsomilD.EveninJanuarythetemperatureneverdropsverytobeon.Theislandhasagreatpercentageofhumiditybecauseofthesouth-easterlywindsandrainfallbetweenmid-Januaryandeach-March;thereisalsoapossibilityofstormsandcoldernortherlywindsatthisperioD.Snowisrareperhapsoneeverytenyears.Theclearblueskystillexistsformostofthewinter.Mykonosislandliesin_______.A.EgyptB.IsraelC.GreekD.IndiaWhat’sthemainpurposeofthispassage?A.Tosumupsomesituationsofmanyislands.B.TointroduceabeautifulislandtopeoplE.C.TocomparetheirclimatE.D.TodescribethepeoplevisitingtheislanD.WhichofthefollowingisNOTwrong?A.EveryyearagreatnumberofpeoplegotoMykonosislandtotourhikewalkreadwriteandbikE.B.ItoftensnowsinMykonosislanD.C.Mykonos’climateisveryawful.D.FromtimetotimeyoucanseetheblueskyinMykonosislanD.What’stheChinesemeaningoftheunderlinedwordhumidity?A.温度B.湿度C.紫外线D.大气压Wecaninferfromthepassage______.A.Mykonosislandisawell-knowntourresortB.MykonosislandisaverybigislandinEuropeC.therearemanyrareanimalsinMykonosislandD.winteristhebestseasontotraveltoMykonosislanD.
Thebeeliketheantisasocialinsect昆虫.Beesliveinlargegroupsinbox-likehousescalledhivesorbeehives.Everybeedoesacertainjobthathelpstheothermembersofthegroup.Inabeehivetherelivethreekindsofbees:thequeenbeethemalebeesandtheworkerbees.Theworkerbeesareborntobehard-workingflyingfromflowertoflowercollectingnectar花蜜whichismadeupmostlyofsugarmixedwithwater.Beesdrawthisnectarintotheirhoneybagswheresomesortofliquidintheirbodiesturnsthenectarintohoney.Thenewlymadehoneyflowsslowlyfromthebees’undersideandthenisstoredinsmallcellsinthehivE.Whentheweatherturnscoldandtherearenoflowersforthemtocollectnectarthestoredhoneywillseethemthroughthewintermonths.Peoplewhoraisebeesanddependonbeesforalivingarethoughtofasbeekeepers.Abee-keeperusuallykeepshundredsofhivesandremoveshoneyfromhivesandkeepsitinglassbottlesorjars.Honeyusuallyappearsasacleargolden-coloredliquidbutthisliesinthesortofflowersfromwhichbeeshavetakenthenectar.66.Thebesttitleofthispassageis_______.A.TheSocialHabitsofBeesB.ThreeKindsofBeesC.TheProductionofHoneyD.BeeKeepers’Work67.Beesareregardedassocialinsectsbecausethey_______.A.formthemselvesintoagoodorganizationB.havelearnedsomethingfromhumansocietyC.needbeekeeperstoarrangetheirjobsD.areborntoworkhard68.Thecolorofhoneyinitsfinalstagedependsonthe_______.A.typeofflowerswhichthenectaristakenfromB.amountofsugarthebeekeepergivesthebeesC.seasoninwhichthenectariscollectedD.quantityofwaterthebeesareabletodrink69.Workerbeesarealwaysbusycollectingnectarinorderto_______.A.helpbeekeeperstoearnmoneyfromhoneyB.turnitintohoneyC.havesomethingtoeatinwintermonthsD.pleasethequeenbeeatthehive70.Duringthecourseinwhichnectarchangeintohoney_______.A.waterandsunlightarenecessaryconditionsB.somespecialliquidinsidebeesmustbeinthepresenceC.manycomplex复杂的chemicalchangeswilltakeplaceD.workerbeeshavetobringupwhattheycollectedintotheirhive
CLONDON:Whatcouldpossiblybewrongwithplantingtrees?Thebenefitsareobvious;theyfirmthesoilsoakup摄取extrawaterandtakecarbondioxide二氧化碳ouroftheatmospherE.Howeveritnowturnsoutthatplantingtreescouldaddtoglobalwarming.Treerootsdoagreatjobofkeepingsoilfirmlyonthegroundandoutofthewind’spower.TheproblemisthatsomeofthosedustcloudsplayanimportantpartinsoakingupcarbondioxidE.HugeduststormsblowoutovertheoceansfromdrypartsofNorthAfricaandcentralAsiA.TonsofdustareliftedandleftasathinfilmovertheoceansurfacE.ThedustfuelsoceaniclifE.DustfromChinaiscarriedeastandleftinthePacificOcean.Ifatree-plantingprogrammethereissuccessfulandthedustsupplyreducedthenetresultmaybethatlesscarbondioxidegetslockedawayintheocean.AndyRidgwellanenvironmentalscientistfromtheUniversityofEastAngliahasspentthepastfewyearsstudyingdustandsayshisworkshowsclearlythatthecomplexityofthesystemandtheimportanceofnottinkering粗劣地修补withitwithoutunderstandingtheresults.Forthisreasontheneedistofocus集中oncuttingcarbondioxidegivingoffratherthanmonkeying瞎弄aboutwiththelandsurfacE.AnAmericanscientistRobertJacksonhasshownthatwhennativegrasslandareasareinvaded侵入bytreescarbonislostfromthesoil.WearestudyingwhythesoilcarbondisappearsbutonetheoryisthattreesdoalotmoreoftheirgrowingabovegroundcomparedtograssessolesscarbongoesdirectlyintothesoilfromtreessaysJackson.Inwetareasoftheworldthegainfromtreesabsorbingcarbondioxideabovegroundseemstobeoutweighed超过bythelossofcarbonfromthesoilbelowgrounD.Countriesthatplantocombatglobalwarmingbyplantingtreesmayhavetothinkagain.SolutionstoenvironmentalproblemsareoftenmorecomplexthantheyfirstappearandunderstandingtheEarth’sclimateisaverygreatchallengE.63.Peopleusuallyholdtheopinionthat.A.hugeduststormscandestroycarbondioxideB.hugeduststormscandestroytheoceansontheearthC.hugeduststormscan’tdoanythingbeneficialformanD.plantingtreesistheonlywaytocontrolhugeduststorms64.AndyRidgwelltheenvironmentalscientistbelievesthat.A.dustplaysamoreimportantpartthantreesB.treesshould’thavebeenplantedindryplacesC.carbondioxideisharmfultoeverythingontheearthD.environmentalproblemsaremorecomplexthanexpected65.RobertJackson’sexperimentprovesthat.A.grasslandareasshouldbecoveredbyforestsB.treesholdmorecarbonthangrassesC.carboncanturngrassintodustD.lesscarboncanmaketreesgrowfaster66.Theunderlinedwordcombatinthelastparagraphmeans.A.learnaboutB.fightagainstC.livewithD.giveup
SupposewebuiltarobottoexploretheplanetMars.Weprovidetherobotwithseeingdetectors探测器tokeepitawayfromdanger.Itispoweredentirelybythesun.Shouldweprogramtherobottobeequallyactiveatalltimes?Notherobotwouldbeusingupenergyatatimewhenitwasnotreceivingany.Sowewouldprobablyprogramittostopitsactivityatnightandtowakeupatdawnthenextmorning.Accordingtoevolutionary进化的theoryofsleepevolutionequippeduswitharegularpatternofsleepingandwakingforthesamereason.Thetheorydoesnotdenythatsleepprovidessomeimportantrestorativefunctions.Itmerelysaysthatevolutionhasprogrammedustoperformthosefunctionsatatimewhenactivitywouldbeinefficientandpossiblydangerous.Howeversleepprotectsusonlyfromthesortoftroublewemightwalkinto;itdoesnotprotectusfromtroublethatcomeslookingforus.Sowesleepwellwhenweareinafamiliarsafeplacebutwesleeplightlyifatallwhenwefearthatbearswillnoseintothetent.Theevolutionarytheoryexplainthedifferencesinsleepamongcreatures.Whydocatsforinstancesleepsomuchwhilehorsessleepsolittle?Surelycatsdonotneedfivetimesasmuchrepairandrestorationashorsesdo.Butcatscanaffordtohavelongperiodsofinactivitybecausetheyspendlittletimeeatingandareunlikelytobeattackedwhiletheysleep.HorsesmustspendalmostalltheirwakinghourseatingbecausewhattheyeatisverylowinenergyvaluE.Moreovertheycannotaffordtosleeptoolongortoodeeplybecausetheirsurvivaldependsontheirabilitytorunawayfromattackers.1.Theauthorusestheexampleoftherobotinspaceexplorationtotellus_______.A.thedifferencesbetweenrobotsandmenB.thereasonwhymenneedtosleepC.abouttheneedforrobotstosavepowerD.aboutthedangerofmenworkingatnight2.Evolutionhasprogrammedmantosleepatnightchieflytohelphim______.A.keepuparegularpatternoflifeB.preventtroublethatcomeslookingforhimC.avoiddangerandinefficientlaborD.restorehisbodilyfunctions3.Whichofthefollowingisthemainideaofthepassage?A.Evolutionhasequippedallcreatureswitharegularpatternofsleepingandwaking.B.Thestudyofsleepisanimportantartoftheevolutionarytheory.C.Sleepingpatternsmustbetakenintoconsiderationinthedesigningofrobots.D.Thesleepingpatternofalivingcreatureisdeterminedbythefooditeats.
TheweatherpredictionsforAsiain2050readlikeascriptfromadoomsday世界末日最后审判日moviE.Manyclimatologistsandgreengroupsfeartheywillcometrueunlessthereisaconcertedglobalefforttoreiningreenhousegasemissions.InthedecadestocomeAsia--hometomorethanhalftheworld's6.3billionpeople--willlurch突然倾斜fromoneclimateextremetoanotherwithimpoverishedfarmersbattlingdroughtsfloodsdiseasefoodshortagesandrisingsealevels.It'snotaprettypicturesaidSteveSawyerclimatepolicyadviserwithGreenpeaceinAmsterdam.GlobalwarmingandchangestoweatherpatternsarealreadyoccurringandthereisenoughexcesscarbondioxideandothergreenhousegasesintheatmospheretodriveclimatechangefordecadestocomE.AlreadychangesarebeingfeltinAsiabutworsearelikelytocomeSawyerandtopclimatebodiessayandcouldleadtomassmigrationandwidespreadhumanitariancrises.人道主义危机AccordingtopredictionsglacierswillmeltfastersomePacificandIndianOceanislandswillhavetoevacuateorbuildseadefensesstormswillbecomemoreintenseandinsectandwater-bornediseaseswillmoveintonewareasastheworldwarms.Allthiscomesontopofrisingpopulationsandspiralingdemandforfoodwaterandotherresources.Expertssayenvironmentaldegradation环境恶化suchasdeforestation森林砍伐andpollutionwilllikelymagnifytheimpactsofclimatechangE.InwhatcouldbeaforetasteofthefutureJapanwashitbyarecord10typhoonsandtropicalstormsthisyearwhiletwo-thirdsofBangladeshpartsofNepalandlargeareasofnortheasternIndiawerefloodedaffecting50millionpeopledestroyinglivelihoodsandmakingtensofthousandsill.Theyearbeforeawintercoldsnap寒流寒潮骤冷andasummerheatwavekilledmorethan2000peopleinIndiA.59.Whichofthefollowinghasthesimilarmeaningtoreinin?A.slowdowncontrolB.increaseenhanceC.bringinD.takein60.Accordingtothepassagewhichoneistrue?A.Thechangesofweatherwillneverleadtomassmigrationandwidespreadhumanitariancrises.B.ThenumberofthepopulationinAsiaisthelargestofallcontinents.C.Globalwarmingandchangeswillhappeninthenearfutureifwedon’ttakeanyactions.D.DeforestationandpollutionwillnotmagnifytheimpactsofclimatechangE.61.ThereasonwhyglacierswillmeltfasteristhatA.thereismoreandmorecarbondioxideandothergreenhousegasesintheatmospherE.B.thereislesscarbondioxideandothergreenhousegasesintheatmosphereC.theweatherchangedsuddenly.D.Thereasonisstillunknown.62.Thispassageismainlyabout.A.whatkindofweatherwelikebest.B.thewholeworldwillnotbesuitableforustolivein.C.howtoimproveourenvironment.D.theweatherpredictionsforAsiainthefutureandthereasons.
Manyanimalsrecognizetheirfoodbecausetheyseeit.Sodohumans.Whenyouseeanappleorapieceofchocolateyouknowthatthesearethingsyoucaneat.YoucanalsouseothersenseswhenyouchooseyourfooD.YoumaylikeitbecauseitsmellsgoodorbecauseittastesgooD.YoumaydislikesometypesoffoodbecausetheydonotlooksmellortasteverynicE.DifferentanimalsusedifferentsensestofindandchoosetheirfooD.A.fewanimalsdependononlyoneoftheirsenseswhilemostanimalsusemorethanonesensE.AlthoughtherearemanydifferenttypesoffoodsomeanimalsspendtheirliveseatingonlyonetypE.Thegiantpanda大熊猫eatsonlyoneparticulartypeofbamboo竹子.OtheranimalseatonlyonetypeoffoodevenwhengiventhechoicE.A.kindofwhitebutterfly蝴蝶willstayontheleavesofacabbageeventhoughthereareplentyofothervegetablesinthegarden.Howevermostanimalshaveamorevarieddiet多样化饮食.Thebeareatsfruitsandfish.Thefoxeatssmallanimalsbirdsandfruits.Thedietoftheseanimalswillbedifferentdependingontheseason.Humanshaveaveryvarieddiet.Weofteneatfoodbecausewelikeitandnotbecauseitisgoodforus.IncountriessuchasFranceandBritainpeopleeatfoodswithtoomuchsugar.Thismakesthemoverweightwhichisbadfortheirhealth.Eatingtoomuchredmeatandanimalproductssuchasbuttercanalsobebadforthehealth.ChoosingtherightfoodthereforehasbecomeanareaofstudyinmodernlifE.60.Wecaninferfromthetextthathumansandanimals_________.A.dependononesenseinchoosingfoodB.arenotsatisfiedwiththeirfoodC.choosefoodinsimilarwaysD.eatentirelydifferentfood61.Whichofthefollowingeatsonlyonetypeoffood?A.Thewhitebutterfly.B.ThesmallbirD.C.Thebear.D.Thefox.62.Certainanimalschangetheirchoiceoffoodwhen___________.A.theseasonchangesB.thefoodcolorchangesC.theymovetodifferentplacesD.theyareattractedbydifferentsmells63.Wecanlearnfromthelastparagraphthat__________.A.foodischosenforagoodreasonB.FrenchandBritishfoodisgoodC.somepeoplehavefewchoicesoffoodD.somepeoplecarelittleabouthealthydiet
OneAugustafternoonRichardAllendroppedoffhislastpassengerMrs.Carey.LiftingtwogrocerybagshefollowedheracrosstheyardandstoodonthestepofherhouseGlancinguphesawalargewasp黄蜂nestundertheroof.Allenhadheardthatwaspscanbecomemorelikelytostingstingstungstung蜇insummer.HementionedthistoMrs.Careywhohadopenedthedoor.Ohtheydon’tbothermeshesaidlightlyIgoinandoutallthetimE.AnxiouslyAllenlookedatthenestagain－toseethewaspsflyingstraightathim.Hurry!heshoutedtoMrs.Carey.Getin!ShesteppedquicklyinsideAllenranforhismini-bus.Toolate:theywereuponhim.Justashejumpedaboardhalfadozenredspotsshowedonhisarmandhefeltmoreonhisbackandshoulders.AshewasdrivingdowntheroadAllenfeltasifsomethingwasburningatthebackofhisneckandthefirewasspreadingforwardtowardhisfacE.Animmediateanxietytookholdofhim.AllenknewthatstingscouldcausesomepersonstodiE.Buthehadbeenstungtheprevioussummerandtheafter-effectssoonpasseD.Howeverwhathedidn’tknowwasthatthefirststinghadturnedhisbodyintoatimebombwaitingforthenexttosetoffanexplosion.MilesfromthenearestmedicalassistanceAllenbegantofeelhistonguethickandheavyandhisheartbeatlouderMostfrighteninghefelthisbreathingmireandmoredifficult.Hereachedfortheradiomike话筒tryingtocallthemini-buscenterbuthiswordswerehardlyunderstandablE.Signalswerealsopoorthatfarout.Heknewarescueteamwason24-hourdutyatheAmherstFireDepartment’snorthstation.Sohisbestchancewastomakearunforit.RushingdownthemountainAllentriednottopanicfocusinghismindoneachsharpturn.Hewasalmostthroughthelastofthemwhenhefeltsurehewasgoingintoshock休克.Justthenhereachedfortheradiomikeagain.Callfirestation.Heshoutedconcentratingtoformthewords.Emergency.Beesting.Emergency.Thereintenminutes.Five-tenthecenterreplieD.HoldonAllenthoughtKeepyoureyesopen.BreathE.KeepawakE.Atlasthereachedthestation.TwofiremenranoutAllenfelttheirhandsgrasphimbeforehehitthegrounD.Youmadeithethought.69.Itismentionedinthepassagethatwaspsaremorelikelytoattackwhen.A.therearehugenoisesB.strangersareapproachingC.theairisfilledwithfoodsmellD.thehottestseasoncomesaround70.Allendidn’tknowthatifstungbywaspsagainhewould.A.havenoafter-effectsB.sufferfromsharperpainC.surelylosehislifeD.becomemoresensitive71.Allenfailedathisfirstattempttosendhismessagetothemini-buscenterbecause.A.hewasunabletospeakclearlyB.hisradioequipmentwaspoorC.hewasinastateofshockD.noonewasonduty72.Whichwouldbethebesttitleforthepassage?A.AllenA.HelplessDriverB.WaspsBloodyKillersC.ARaceAgainstDeathD.WarAgainstWasps
DWithonlyabout1000pandasleftintheworldChinaisdesperatelytryingtoclone克隆theanimalandsavetheendangeredspecies物种.That’samovesimilartowhataTexasA.&MUniversityresearchershavebeenundertakingforthepastfiveyearsinaprojectcalledNoah’sArk.Noah’sArkisaimedatcollectingeggsembryos胚胎semenandDNAofendangeredanimalsandstoringtheminliquidnitrogen.IfcertainspeciesshouldbecomeextinctDr.DuaneKraemeraprofessorinTexasA.&M’sCollegeofVeterinaryMedicinesaystherewouldbeenoughofthebasicbuildingblockstoreintroducethespeciesinthefuturE.Itisestimatedthatasmanyas2000speciesofmammalsbirdsreptileswillbecomeextinctinover100years.ThepandanativeonlytoChinaisindangerofbecomingextinctinthenext25years.ThisweekChinesescientistssaidtheygrewanembryobyintroducingcellsfromadeadfemalepandaintotheeggcellsofaJapanesewhiterabbit.Theyarenowtryingtoimplanttheembryointoahostanimal.TheentireprocedurecouldtakefromthreetofiveyearstocompletE.Thenucleartransfer核子移植ofonespeciestoanotherisnoteasyandthelackofavailablecapableofbeingusedpandaeggscouldbeamajorproblemKraemerbelieves.Theywillprobablyhavetodoseveralhundredtransferstoresultinonepregnancyhavingababy.Ittakesalongtimeandit’sdifficultbutthiscouldbegroundbreakingscienceifitworks.TheyarecertainlynotputtinganylivepandasatrisksoitisworththeeffortaddsKraemerwhoisoneoftheleadersoftheProjectatTexasA&Mthefirst-everattemptatcloningadog.Theyaretryingtodosomethingthat’sneverbeendoneandthisisverysimilartoourworkinNoah’sArk.We’rebothtryingtosaveanimalsthatfaceextinction.Icertainlyappreciatetheireffortandthere’salotwecanlearnfromwhattheyareattemptingtodo.It’saresearchthatisverymuchneedeD.69.AccordingtoProfessorKraemerthemajorproblemincloningpandaswouldbethelackof_______.A.availablepandaeggsB.hostanimalsC.qualifiedresearchersD.enoughmoney70.Thebesttitleforthepassagemaybe_______.A.China’sSuccessinPandasCloningB.TheFirstClonedPandaintheWorldC.ExploringthePossibilitytoClonePandasD.China—theNativePlaceofPandasForever71.Fromthepassageweknowthat_______.A.KraemerandhisteamhavesucceededincloningadogB.scientiststrytoimplantapanda’seggintoarabbitC.KraemerwillworkwithChinesescientistsincloneresearchesD.abouttwothousandofspecieswillprobablydieoutinacentury
Areyousometimesalittletiredandsleepyintheearlyafternoon?Manypeoplefeelthiswayafterlunch.Theymaythinkthateatinglunchisthecauseofthesleepiness.Orinsummertheymaythinkitistheheat.Howevertherealreasonliesinsidetheirbodies.Atthattimeabouteighthoursafteryouwakeupyourbodytemperaturegoesdown.Thisiswhatmakesyouslowdownandfeelsleepy.Scientistshavetestedsleephabitsinexperimentswheretherewasnonightorday.Thepeopleintheseexperimentsalmostalwaysfollowedasimilarsleepingpattern.Theysleptforonelongperiodandthenforoneshortperiodabouteighthourslater.Inmanypartsoftheworldpeopletakenaps小睡inthemiddleoftheday.Thisisespeciallytrueinwarmerclimates气候wheretheheatmakesworkdifficultintheearlyafternoon.ResearchersarenowsayingthatnapsaregoodforeveryoneinanyclimatE.A.dailynapgivesoneamorerestedbodyandmindandthereforeisgoodforhealthingeneral.Incountrieswherenapsaretraditional传统的peopleoftensufferlessfromproblemsuchasheartdiseasE.Manyworkingpeopleunfortunatelyhavenotimetotakenaps.Thoughdoctorsmayadvisetakingnapsemployersdonotallowit!Ifyoudohavethechancehoweverhereareafewtipsaboutmakingthemostofyournap.Rememberthatthebesttimetotakeanapisabouteighthoursafteryougetup.A.shortsleeptoolateinthedaymayonlymakeyoufeelmoretiredandsleepyafterwarD.Thiscanslaohappenifyousleepfortoolong.Ifyoudonothaveenoughtimetryashortnapeventenminutesofsleepcanbehelpful.44.Whydopeoplefeelsleepyintheearlyafternoonaccordingtothetext?A.Theyeattoomuchforlunch.B.Theysleeptoolittleatnight.C.Theirbodytemperaturebecomeslower.D.Theweatherbecomesalotwarmer.45.Ifyougetupat6:30amwhatisthebesttimeforyoutotakeanap?A.About12:30pm.B.About1:30pm.C.About2:30pmD.About3:30pm46.Whatwouldbethebesttitleforthetext?A.JustforaRestB.AllforaNapC.A.SpecialSleepPattern.D.TakingNapsinWarmerClimatE.
Thesedayswehearalotabouthowairpollutionischangingtemperaturesontheearth.NewevidencefromamountaintopinChinanowsuggeststhatpollutioncanalsochangetheamountofrainandsnowthatfallsinsomeplaces.Usuallymorerainfallsinmountainousplacesthaninflatareasupwindfromthemountains.That’sbecauseaircanholdalotofwater.Whenwindblowswetairupamountainsidetheairgetscolder.Thistemperaturechangeoftenforceswatertofallasrainorsnow.InrecentyearshowevermanymountainousareasinthewesternUnitedStateshavebeengettinglessrainthannormal.Mountainsthataredownwindfromcitieshaveexperiencedthebiggestdrops.Somescientistshavetheorized推理thatpollutiondrifts趋势fromthecitiesintothemountainsaffectingrainfallbutprovingthislinkhasbeendifficult.SearchingforanswersateamledbyascientistfromtheHebrewUniversitywenttosmountaininChinacalledMountHuawhichis2060meterstallandliesabout120kilometerseastoftheChinesecityXi’an.Since1954scientistshavebeencollectingdetailsaboutrainfallhumidity湿度andvisibility能见度intheareA.UsingthisdatathescientistscomparedrainfallonMountHuatorainfallinthenearestcityHuayinondayswithdifferentlevelsofvisibility.Whentheairwasclearandpeoplecouldseeasfaras20kmthescientistsfoundthat65%morerainfellonthemountainthaninthecity.Butwhentheairwassmoggyallowingonly8kmofvisibilitythroughthemistthemountainreceivedjust20%morerainthanthecity.Thenewdatasupportsthetheorythatpollutionaffectsrainfall.Somescientistsbelievethatthereareotherexplanationsforthenumbers.It’spossibleforexamplethatnaturalparticles微粒intheairratherthanparticlesproducedbypollutionareaffectingvisibility.Accordingtothe1stparagraphairpollutionischangingthefollowingEXCEPT______.A.thetemperatureB.theamountofrainC.thehabitofeatingD.theamountofsnowAccordingtothepassagewhatwillprobablyhappenwhenthewetairintheskygetscolder?A.ItwillprobablyrainorsnowB.Itwillprobablybecloudy.C.ItwillprobablywindD.Itwillprobablybecomedry.WhydidtheteamledbyascientistgotoMountHua?A.TheywantedtopayavisittoMountHuA.B.Theywantedtocollectthedatafortheirtheory.C.TheywantedtomeasureMountHuA.D.TheywantedtohaveagoodrestonMountHuA.Youcanmostprobablyreadthepassagein_______.A.atravelguideB.atelephonebookC.acartoonbookD.asciencebook
ItwasacoldgreydayinlateNovember.Theweatherhadchangedovernightwhenabackingwindbroughtapaleskyandamuzzlingrainwithitandalthoughitwasnowonlyalittleaftertwoo’clockintheafternoonthegrayofawintereveningseemedtohavecloseduponthehillssurroundingtheminmist.Itwouldbedarkbyfour.Theleatherseatsfeltdamptothehandsandtheremusthavebeenasmallcrackintheroofbecausenowandagainlittledripsofrainfellsoftlythroughpollutingtheleatherandleavingadark–bluestainlikeaspotofink.Thewindcameinattimesshakingthecoachasittraveledroundthebendoftheroadandintheexposedplacesonthehighgrounditblewwithsuchforcethatthewholebodyofthecoachtrembledandswayedrockingbetweenthehighwheelslikeadrunkenman.Thedrivermuffled裹住inagreatcoattohisearsbentalmostdoubleinhisseatinafaintendeavortogainshelterfromhisownshoulders.Thefewpassengerspressedtogetherforwarmthexclaimingalltogetherwhenthecoachsankintoaheavierrut车辙thanusualandoneoldfellowwhohadkeptupaconstantcomplainteversincehehadjoinedthecoachatTrurorosefromhisseatinanger;andfeelingwiththewindow–frameletthewindowdownwithacrashbringingashowerofrainuponhimselfandhisfellow–passengers.Hethrusthisheadoutandshouteduptothedriverscoldinghiminaangryvoiceforarogueandamurderer;thattheywouldallbedeadbeforetheyreachedBodminifhepersistedindrivingatdangerousspeed;theyhadnobreathleftintheirbodiesasitwasandhewouldnevertravelbycoachagain.41.Whatisthemainimagetheauthorgivesinthisdescription?A.Interribleweatheracoachwasrunningfastinmudwithcomplainingpassengersonit.B.OnacoldandrainydaythecoachbrokeandthedriverwasrepairingitontheroaD.C.Onacoldnightthedriverandthepassengersfeltverycoldandstruggledintherain.D.Thebadconditionoftheroadresultedinthebadmoodofthepassengers.42.Whichofthefollowingiscorrectaccordingtothetext?A.Thewindowsweretightlyclosedsothecoldairwaskeptoutsidethecoach.B.Thespotofinkstainedleathersotheseatsfeltdamptothehands.C.Mostprobablytheroofofthecoachwasbroken.D.Therewasadrunkenmanswayingconstantlyonthecoach.43.Theexpressionmuffledinagreatcoattohisownshouldersimplies.A.thedriverfeltverycoldandtriedtochangehisseatB.thedriverfeltcomfortablebydoinginthatwayC.ThedriverfeltverycoldandtriedtogainwarmthD.Thedrivertriedtoprotecthisearsandshoulders44.Wecanlearnfromthetextthat.A.thecoachwasrunningslowlyduetothebadweatherB.anoldpassengerwhogotonthecoachatTrurowasangryaboutthewindowsC.oneofthepassengersonthecoachwasamurdererD.thefewpassengersletoutexclamationsasthecoachmovedviolently
Howcouldwepossiblythinkthatkeepinganimalsincagesinunnaturalenvironments－mostlyforentertainmentpurposes－isfairandrespectful?Zooofficialssaytheyareconcernedaboutanimals.Howevermostzoosremaincollectionsofinterestingthingsratherthanprotectivehabitats栖息地.Zoosteachpeoplethatitisacceptabletokeepanimalsboredlonelyandfarfromtheirnaturalhomes.Zoosclaim声称toeducatepeopleandsaveendangeredspecies物种butvisitorsleavezooswithouthavinglearnedanythingmeaningfulabouttheanimals’naturalbehaviorintelligenceorbeauty.Zooskeepanimalsinsmallspacesorcagesandmostsignsonlymentionthespecies’namedietandnaturalrange分布区.Theanimals’normalbehaviorisseldomnoticedbecausezoosdon’tusuallytakecareoftheanimals’naturalneeds.TheanimalsarekepttogetherinsmallspaceswithnoprivacyandlittleopportunityformentalandphysicalexercisE.Thisresultsinunusuallyandself-destructivebehaviorcalledzoochosis.A.worldwidestudyofzoosfoundthatzoochosisiscommonamonganimalskeptinsmallspacesorcages.Anotherstudyshowedthatelephantsspend22percentoftheirtimemakingrepeatedheadmovementsorbitingcagebarsandbearsspend30percentoftheirtimewalkingbackandforthasignofunhappinessandpain.FurthermoremostanimalsinzoosarenotendangereD.Captivebreeding圈养繁殖ofendangeredbigcats.AsianelephantsandotherspecieshasnotresultedintheirbeingsentbacktothewilD.Zoostalkalotabouttheircaptivebreedingprogramsbecausetheydonotwantpeopletoworryaboutaspeciesdyingout.Infactbabyanimalsalsoattractalotofpayingcustomers.Haven’tweseenenoughcompetitionstonamebabyanimals?Actuallywewillsaveendangeredspeciesonlyifwesavetheirhabitatsandputanendtothereasonspeoplekillthem.Insteadofsupportingzoosweshouldsupportgroupsthatworktoprotectanimals’naturalhabitats.64.Howwouldtheauthordescribetheanimals’lifeinzoos?A.Dangerous.B.Unhappy.C.Natural.D.Easy.65.Inthestateofzoochosisanimals_________.A.remainincagesB.behavestrangelyC.attackotheranimalsD.enjoymovingaround66.Whatdoestheauthortrytoargueinthepassage?A.Zoosarenotworththepublicsupport.B.Zoosfailintheirattempttosaveanimals.C.Zoosshouldtreatanimalsashumanbeings.D.Zoosuseanimalsasameansofentertainment.67.Theauthortriestopersuadereaderstoaccepthisargumentmainlyby_________.A.pointingoutthefaultsinwhatzoosdoB.usingevidencehehascollectedatzoosC.questioningthewayanimalsareprotectedD.discussingtheadvantagesofnaturalhabitats68.Althoughhearguesagainstzoostheauthorwouldstillagreethat__________.A.zooshavetokeepanimalsinsmallcagesB.mostanimalsinzoosareendangeredspeciesC.someendangeredanimalsarereproducedinzoosD.it’sacceptabletokeepanimalsawayfromtheirhabitats
热门题库
更多
教案备课库
教案备课库
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
湘公网安备 43130202000226号