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Michael Fish may soon be replaced as a weather forecaster by something truly fishier---the shark(鲨鱼)...
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Michael’sbirthdaywascomingsoonsoheaskedhisdadforab
Keepingfishaspetsisapopularhobby.Fishtakeupverylit
Keepingfishaspetsisapopularhobby.Fishtakeuplittler
Customtattooedfish纹身鱼maybebigsellersatmarketsbutan
Michael____beapolicemanforheistooshort.
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I may get chances to fish
I would get a lot of fish
I will have chances to learn to fish
I will be able to get some good fish
Michaelbeapolicemanforheismuchtooshort.
needn’t
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Michael’sbirthdaywascomingsoonsoheaskedhisdadforab
AnewUnitedNationsreportshowsthatfishfarmingmaysoon
根据下面的对话情景在每个空白处填上一个适当的句子使对话的意义连贯完整MichaleandKangka
—HurryupMichael!—Goodnessme!Theclass____.I’llbelat
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Michael______beapolicemanforhe’smuchtooshort.
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.—WhydoesMichaelknowsomuchaboutAngkorWatt?—He_____
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Eachtimeacitybuildinggoesupthegrassinthatspotandtreesthatoncereacheduptotheskyarereplacedbyaswathofasphalt沥青roof.Addtothatthebuildingofroadsparkinglotsandyetmorebuildingsandthetotallostgreenspacecanhaveaveryrealeffectonacity'sairtemperatureairqualityandenergycosts.OnasummerdayinmostAmericancitiesanasphaltroofcanfeelliketheinsideofanoven.Butwhatifwecouldreplacethehotroofofeachskyscraperorbuildinginacitywithgrassoragarden?Whetheritholdsvegetablegardenswildflowersormeadowgrassesagreenroofcanlowerthetemperatureaboveabuildingby60degreeswhichcanreducethebuilding'senergycostsandifusedmorewidelycoulddecreaseacity'stotalenergycostsreducepower-plantemissions散发andimproveairqualityandpublichealth.Butthat'snotall--greenroofsareagreatwaytodealwithwatermanagementinurbanareaswithmixedsewerage排污systemsbecausetheysoakupextraprecipitation沉淀物.Theyarealsoagoodwaytoprovidesheltersforurbanwildlifeandactuallyextendthelifespanoftheroofitself.Andgreenroofsdosomethingelse:Theycanbeautifythecity--whetheryou'reonthe3rdfloororthe30th.Sothatwillbeagreatachievement.TheenvironmentalnonprofitgroupEarthPledgeisstartingaGreenRoofsInitiativE.Tolearnmoreabouthowtocreateagreenroof--andthebenefits好处itwillprovide--visititswebsiteatEarthPledgE.com.72.Whichofthefollowingstatementsbestsummarizesthemainideaofthepassage?A.ThebenefitsofgrowingagardenintheskyB.ThestepsofcreatinggreenroofsinthecityC.A.GreenRoofsInitiativestartedbyEarthPledgE.comD.Thewaysofpreventingpollutionandbeautifyingthecity73.Thebenefitsgreenroofsbringtothecitydon’tinclude_______accordingtothepassagE.A.reducingthebuilding'senergycostsB.replacingairconditionerstocontroltemperatureC.providingsanctuariesforurbanwildlifeD.improvingairqualityandpublichealth74.Togrowagardenroofintheskyislargelybecause_________A.theglobaltemperatureisbecominghotterthanbeforeB.morebuildingstakeuptoomuchlandgreenspaceC.moregreenvegetablesareplantedtoimprovepeople’slife.D.tarroofscancostusmoremoneyandpollutetheair.75.Itcanbeinferredfromthepassagethat________.A.gardenroofshascompletelyreplacedtarroofsinthecityB.buildinggreenroofsneedsmucheffortsandmoneyC.theideaofgrowinggardenroofshasn’tbeenfullycarriedoutD.greenroofshavegoodpointsandbadpoints
Haveyoueverhadthestrangefeelingthatyouwerebeingwatched?Youturnedaroundandsureenoughsomeonewaslookingrightatyou!Parapsychologists灵学家saythathumanshaveanaturalabilitytosensewhensomeoneislookingatthem.ToresearchwhethersuchasixthsensereallyexistsRobertBakerapsychologist心理学家attheUniversityofKentuckyperformedtwoexperiments.InthefirstoneBakersatbehindunknowingpeopleinpublicplacesandstaredatthebacksoftheirheadsfor5to15minutes.Thesubjects受试者wereeatingdrinkingreadingstudyingwatchingTVorworkingatacomputer.Bakermadesurethatthepeoplecouldnottellthathewassittingbehindthemduringthoseperiods.Laterwhenhequestionedthesubjectsalmostallofthemsaidtheyhadnosensethatsomeonewasstaringatthem.ForthesecondexperimentBakertoldthesubjectsthattheywouldbestaredatfromtimetotimefrombehindatwowaymirrorinalaboratorysetting.Thepeoplehadtowritedownwhentheyfelttheywerebeingstaredatandwhentheyweren’t.Bakerfoundthatthesubjectswerenobetterattellingwhentheywerestaredatandwhentheyweren’t.BakerfoundthatthesubjectswerenobetterattellingwhentheywerestartedatthaniftheyhadjustguesseD.Bakerconcludesthatpeopledonothavetheabilitytosensewhenthey’rebeingstaredat.IfpeopledoubttheoutcomeofhistwoexperimentssaidBakerIsuggesttheyrepeattheexperimentsandseeforthemselves.68.Thepurposeofthetwoexperimentsisto.A.explainwheneoplecanhaveasixthsenseB.showhowpeopleactwhilebeingwatchedinthelabC.studywhetherhumanscansensewhentheyarestaredatD.provewhyhumanshaveasixthsense69.Inthefirstexperimentthesubjects.A.werenottoldthattheywouldbestaredatB.losttheirsensewhentheywerestaredatC.werenotsurewhentheywouldbestaredatD.wereuncomfortablewhentheywerestaredat70.Theunderlinedwordoutcomeinthelastparagraphmostprobablymeans.A.valuB.resultC.performanceD.connection71.Whatcanbelearnedfromthepassage?A.PeoplearebornwithasixthsensE.B.Theexperimentssupportparapsychologists’ideA.C.Thesubjectsdonothaveasixthsenseintheexperiments.D.Peoplehaveasixthsenceinpublicplaces.
GUATEMALACITYReuters----A.fishthatlivesinmangroveswamps红树沼泽acrosstheAmericascanliveoutofwaterformonthsatatimesimilartohowanimalsadapted适应tolandmillionsofyearsagoanewstudyshows.TheMangroveRivulusatypeofsmallkillifishlivesinsmallpoolsofwaterinacertaintypeofemptynutorevenoldbeercansinthemangroveswampsofBelizetheUnitedStatesandBrazil.Whentheirlivingplacedriesuptheyliveonthelandinlogs圆木saidScottTayloraresearcherattheBrevardEndangeredLandsPrograminFlorida.ThefishwhosescientificnameisRivulusmarmoratuscangrowaslargeasthreeinches.Theygrouptogetherinlogsandbreatheairthroughtheirskinuntiltheycanfindwateragain.ThenewscientificdiscoverycameafteratriptoBelize.WekickedoveralogandthefishjustcamecrowdingoutTaylortoldReutersinneighboringGuatemalabytelephonE.HesaidhewillmakehisstudyonthefishknowntothepublicinanAmericanmagazineearlynextyear.InlabtestsTaylorsaidhefoundthefishcanliveupto66daysoutofwaterwithouteating.SomeotherfishcanliveoutofwaterforashortperiodoftimE.ThewalkingcatfishfoundinSoutheastAsiacanstayonlandforhoursatatimewhilelungfishfoundinAustraliaAfricaandSouthAmericacanliveoutofwaterbutonlyinaninactivestatE.ButnootherknownfishcanbeoutofwateraslongastheMangroveRivulusandremainactiveaccordingtoPatriciaWrightabiologistatCanada’sUniversityofGuelph.FurtherstudiesofthefishmaytellhowanimalschangedovertimE.Theseanimalsliveinconditionssimilartothosethatexistedmillionsofyearsagowhenanimalsbeganmakingthetransition过渡formwaterontolandWrightsaiD.49.TheMangroveRivulusisatypeoffishthat________.A.likeseatingnutsB.preferslivingindryplacesC.isthelongestlivingfishonearthD.canstayalivefortwomonthsoutofwater50.WhowillwriteupareportonmangroveRivulus?A.PatriciaWright.B.ResearchersinGuatemala.C.ScientistsfromBelize.D.ScottTaylor.51.Accordingtothetextlungfishcan__________.A.breathethroughitsskinB.movefreelyondrylandC.remainaliveoutofwaterD.beasactiveonlandasinwater52.WhatcanwesayaboutthediscoveryofMangroveRivulus?A.Itwasmadequitebyaccident.B.ItwasbasedonalabtestofsealifE.C.ItwassupportedbyanAmericanmagazinE.D.ItwashelpedbyPatriciaWright.
CaralarmsareapublicnuisancE.Theirpersistentanddisruptivenoisehasbeenshowntobooststresshormonesthatarelinkedtophysiologicalillnessandpsychologicaldistress.Studiesalsoshowthatchildrenregularlyexposedtocaralarmnoisehavedifficultyconcentratingonquiettaskslikereading.BecausecaralarmnoisemakespeopleirritableitalsoincreasesthetendencytobeimpatientandrudE.Inshortnoisycaralarmsarehelpingerodepubliccivility.Andforwhat?Fornothing.Accordingtopolicecriminologistsinsurancecompaniesautomanufacturersandevencarthievesthemselvescaralarmsarenexttouseless.A.1997analysisofinsuranceclaimsfrom73millionvehiclesconcludedthatalarmsdidnotdetercartheft.Noonepaysanyattentiontocaralarmsanymorebecause95to99percentofthealarmsarefalsE.AccordingtotheProgressiveInsuranceCompanyfewerthan1percentofpeoplesurveyedsaythattheywouldcallthepoliceiftheyheardacaralarm.Plustoday'scarthievesareprofessionalsundeterredbythepresenceofalarmswhichtheycanreadilydisablewhennecessary.ConsequentlyGMFordandothermanufacturershavebeguntostopputtingalarmsintheircars.Thisistheirwayofacknowledgingthatthealarmsarenothingbutnoisemakers.It'soutrageousthataudiblecaralarmscontinuetoneedlesslyreduceourqualityoflifE.Theyshouldbemadeillegalimmediately.60.Whatcanwelearnfromthepassage?A.Peoplereportittothepolicewhenevertheyhearcaralarms.B.Thievescaneasilydisableallalarms.C.Sincecaralarmsarenothingbutnoisemakerspeoplenolonerusethem.D.Caralarmsdon’treduceautotheft.61.Whatdoestheunderlinedpartmean?______________________.A.learningB.sayingC.admittingD.denying62.Theauthor’spurposeis________________.A.toinformB.topersuadeC.tocriticizeD.toentertain63.Theauthor’stoneis_________________.A.emotionallyneutral中立的B.amusedC.sadD.annoyed
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
Animalscanmovefromplacetoplacebutplantscannot.Whenananimalisunderattackitcanrunawayorfightback.Plantscertainlycannotrunawayandtheylackteethandclaws.Butplantscandefendthemselvesbyusingbothphysicalandchemicalmeans.Someplantshavetheirownwaystokeepanimalsaway.Forexampletheleavesofthehollyplanthavesharpspines刺thatdiscouragegrass-eatinganimals.Hollyleavesonlowerbrancheshavemorespinesthanleavesonupperbranches.Thisisbecausethelowerleavesareeasierformostanimalstoreach.Someplantssuchastheoaktreehavethickandhardleavesthataredifficultforanimalstoeat.Somegrassesmaycontainasandymaterialeatingsuchgrasseswearsdowntheanimal’steeth.Manyplantsalsohavechemicaldefenses.Someplantsproducechemicalsthattastebitterorcauseanunpleasantreaction.Someplantsmayfightagainstanattackbyincreasingtheproductionofthesechemicals.Whenacaterpillar毛虫bitesatobaccoleaftheleafproducesachemicalmessenger.Thismessengersendstotherootstheinformationtoproducemorenicotine.Thehigherlevelsofnicotinediscouragethecaterpillar.Manyplantsdependonbothphysicalandchemicaldefenses.A.certainplantinChinaforinstancehasprickly多刺的leavesandeachpricklecontainspoisonousvenom毒液AsingleexperiencewiththiskindofplantwillteachananimaltostayawayfromitinthefuturE.68.Thehollyplanthasmorespinesonthelowerleavesbecausemostanimals.A.arenottallenoughB.likethelowerleavesonlyC.arenotcleverenoughD.cangetthelowerleaveseasily69.Todefendthemselvesoaktreesuse.A.chemicalmeansB.physicalmeansC.bitterchemicalsD.sandymaterials70.Howdoestobaccoprotectitselfagainstanattackfromacaterpillar?A.Itsleavesfightagainsttheattackbyphysicalmeans.B.Itsrootssendamessengertodiscouragethecaterpillar.C.ItsrootsincreasetheproductionofnicotinewhenitisattackeD.D.Itsleavesproducepoisonoussandtodrivethecaterpillaraway.71.Whatwouldbethebesttitleforthispassage?A.PlantsandAnimalsB.HowPlantsDefendThemselvesC.AttacksandDefensesD.HowAnimalsEatPlantLeaves
NewarchaeologicaldiscoverssuggestthattradebetweenEuropeandAsiaalongtheSilkRoadprobablybeganinsomeformmanycountriesearlierthanoncethought.ThefindingscoupledwithawideningrangeofscientificandhistoricalresearchcouldaddafascinatingnewpagetotheepicoftheSilkRoaD.ThefarestandmostsurprisingdiscoveryispiecesofsilkfoundinthehairofandEgyptianmummyfromabout1000BClongbeforeregulartrafficontheSilkRoadandatleastonethousandyearsbeforesilkwaspreviouslythoughttobeusedinEgypt.OtherresearchmayextendhumanactivityalongthisroutebackevenfurtherperhapsamillionyearstothemigrationofhumanancestorsintoeasternAsiA.TheofficialoriginofEast-Westcommercealongtheroadisusuallyplacedinthelate2ndcenturyBCwhichwastheagentoftheChineseEmperorWu-direturnedfromadangeroussecretmission使命acrossthedesertintotheremotehighcountryofCentralAsiA.TheagentZhangQiantravelledasfarasAfghanistanbackknowledgeofevenmoredistantlandssuchasPersiaSyriaandaplaceknownasLijion.Histerentshavecalledthisoneofthemostimportantjourneysinancienttimes.Hisjourneyopenedthewayforwhathavebeenthoughttobethefirstindirectcontactsbetweentheancientworld’stwosuperpowersChinaandRome.ChinesesilkfirsttradedtocentralAsiantribesforwarhorsesandtotheParthiansofoldPetlaluexchangeforacrobatsandostricheggswassoonfindingitswaythroughanetworkofmerchantstotheluxurymarketsinRomE.ButthenewdiscoveriesshowthatChinesesilkwasapparentlypresentintheWestlongbeforetheHanemperorstartedorganizedtradeovertheSilkRoaD.TheresearchcouldchangethinkingabouttheearlyhistoryofworldtradeandprovideinsightsintothemysteryofjusthowandwhenEuropeandtheMediterraneanlandsfirstbecameawareofthegloriouscultureattheotherendofEurasiA.72.Thewordcoupledinthefirstparagraphcouldbestbereplacedby.A.producedB.contributedC.doubledD.combined73.ThesilkthreadfoundinthehairofanEgyptianmummysuggeststhat.A.EgyptianshadprobablytravelledtoChinatobuysilkB.tradealongtheSilkRoadbeganearlierthanoncethoughtC.historicalresearchoftenachievesfascinatingresultsD.newlightcannowbethrownonancienttradingpractices74.UntilrecentlymosthistoriansbelievedthattradealongtheSilkRoad.A.originatedinthe2ndcenturyBCB.extendedhumanmigrationintoeasternAsiaC.beganamillionyearsagoD.primarilybenefitedtheEgyptians75.HistorianshavealwaysconsideredZhangQian’smissionimportantbecausetheybelieve.A.bebroughtbackknowledgeofRometotheemperorB.bediscoveredtheSilkRoadC.behelpedestablishEast-WesttradeD.betravelledasfarasAfghanistan
AndrewRitchieinventoroftheBromptonfoldingbicycleoncesaidthatperfectportablebikewouldbelikeamagiccarpet...Youcouldfolditupandputitintoyourpocketorhandbag.Thenhepaused:Butyou'llalwaysbelimitedbythesizeofthewheels.Andsofarnoonehasinventedafoldingwheel.Itwasarare---indeedunique---occasionwhenIwasabletoputRitchieright.A.19th-centuryinventorWilliamHenryJamesGroutdidinfactdesignafoldingwheel.HisbikepredictablynamedtheGroutPortablehadaframethatsplitintotwoandalargerwheelthatcouldbeseparatedintofourpieces.AllthebitsfittedintoGrout'sWonderfulBagaleathercasE.Grout'saim:tosolvetheproblemsofcarryingabikeonatrain.Nowdoesn'tthatsoundfamiliar?Groutintendedtofindawayofmakingabikesmallenoughfortraintravel:hisbikewasahugebeast.Andimportantlythedesignofearlybicyclesgavehimanadvantage:inGrout'sdaytyresweresolidwhichmadethebusinessofsplittingawheelintofourseparatepartsrelativelysimplE.Youcouldn'tdothesamewithawheelfittedwithaone-pieceinflated充气的tyrE.Soina21st-centurycontextistheideaofthefoldingwheeldead?Itisnot.A.BritishdesignengineerDuncanFitzsimonshasdevelopedawheelthatcanbesquashedintosomethinglikeaslenderellipse椭圆.ThroughoutthetyreremainsinflateD.WilltheyoungFitzsimons'sfoldingwheelmakeitintoproduction?Ihaven’tthefoggiestideA.Buthisinventivenessshowstwothings.Firstpeoplehavebeensayingformorethanacenturythatbikedesignhasreacheditslimitexceptforgradualadvances.It’sassillyaconceptnowasitwas100yearsago:there'splentystilltogofor.Seconditisinthefieldoffoldingbikesthatweareseeingthemostinterestinginventions.Youcanbuyafoldingbikeforlessthan£1000thatcanbeknockeddownsosmallthatcanbecarriedonaplane――minuswheelsofcourse――ashandbaggagE.FoldingwheelswouldmakeallmannerofthingspossiblE.HaveweyetgotthemagiccarpetofAndrewRitchie'simagination?No.Butit'sprogress.69WecaninferformParagraph1thattheBromptonfoldingbike____.A.wasportableB.hadafoldingwheel.C.couldbeputinapocket.D.lookedlikeamagiccarpet70.WecanlearnfromthetextthatthewheelsoftheGroupPortable_______.A.weredifficulttoseparatE.B.couldbesplitinto6pieces.C.werefittedwithsolidtyres.D.werehardtocarryonatrain.71.WecanlearnfromthetextthatFitzsimons`sinvention_______.A.keptthetyresaswholepiecE.B.wasmadeintoproductionsoon.C.leftlittleroomforimprovement.D.changedourviewsonbagdesign.72Whichoffollowingwouldbebesttitleforthetext?A.Threefoldingbikeinventors.B.ThemakingofafoldingbikeC.ProgressinfoldingbikedesignD.Waysofseparatingabikewheel
Desertsarefoundwherethereislittlerainfallorwhererainforawholeyearfallsinonlyafewweeks'timE.Teninchesofrainmaybeenoughformanyplantstosurvive存活iftherainisspreadthroughouttheyearIfitfallswithinoneortwomonthsandtherestoftheyearisdrythoseplantsmaydieandadesertmayform.Sandbeginsastinypiecesofrockthatgetsmallerandsmalleraswindandweatherwearthemdown.Sanddunes沙丘areformedaswindsmovethesandacrossthedesert.BitbybitthedunesgrowovertheyearsalwaysmovingwiththewindsandchangingtheshapE.Mostofthemareonlyafewfeettallbuttheycangrowtobeseveralhundredfeethigh.Thereishowevermuchmoretoadesertthansand.InthedesertsofthesouthwesternUnitedStatescliffs悬崖anddeepvalleyswereformedfromthickmudthatoncelaybeneathaseamorethanmillionsofyearsago.Overthecenturiesthewaterdriedup.Windsandrainheatandcoldallworeawayattheremainingrocks.Thefacesofthedesertmountainsarealwayschanging-veryveryslowly---astheseforcesofnaturecontinuetoworkontherock.MostdesertshaveasurprisingvarietyoflifE.Thereareplantsanimalsandinsectsthat:haveadaptedtolifeinthedesert.DuringtheheatofthedayavisitormayseeveryfewsignsoflivingthingsbutastheairbeginstocoolintheeveningthedesertcomestolifE.Asthesunbeginstoriseagainintheskythedesertonceagainbecomesquietandlonely.60.Manyplantsmaysurviveindesertswhen__________________.A.therainisspreadoutinayearB.therainfallsonlyinafewweeksC.thereislittleraininayearD.itisdryalltheyearround61.Sanddunesareformedwhen___________________.A.sandpilesupgraduallyB.thereisplentyofraininayearC.theseahasdriedupovertheyearsD.piecesofrockgetsmaller62.Theunderlinedsentenceinthethirdparagraphprobablymeansthatinadesertthereis____________.A.toomuchsandB.moresandthanbeforeC.nothingexceptsandD.somethingelsebesidessand63Itcanbelearnedfromthetextthatinadesert____________.A.thereisnorainfallthroughouttheyearB.lifeexistsinroughconditionsC.allsanddunesareafewfeethighD.rocksarewornawayonlybywindandheat
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
SportscanhelpyoukeepfitandgetintouchwithnaturE.Howeverwhetheryouareonthemountainsinthewavesoronthegrasslandyoushouldbeawarethatyoursportofchoicemighthavegreatinfluenceontheenvironment.Somesportsareresource-hungry.Golfasyoumayknoweatsupnotonlylargeareasofcountrysidebutalsotonsofwater.Besidesallsortsofchemicalsandhugeamountsofenergyareusedtokeepitscourses球场ingoodcondition.Thiscausesmajorenvironmentaleffects.ForexampleinthedryregionsofPortugalandSpaingolfisoftenheldresponsibleforseriouswatershortageinsomelocalareas.Therearemanyenvironment-friendlysports.Powerwalkingisoneofthemthatyoucouldtakeuptoday.Youdon’tneedanyspecialequipmentexceptagoodpairofshoes;andyoudon’thavetoworryaboutresourcesandyourpursE.Simpleandfreepowerwalkingcanalsokeepyoufit.Ifyouwalkregularlyitwillbegoodforyourheartandbones.Expertssaythat20minutesofpowerwalkingdailycanmakeyoufeellessanxioussleepwellandhavebetterweightcontrol.Whateversportyoutakeupyoucanmakeitgreenerbyusingenvironment-friendlyequipmentandbuyingproductsmadefromrecycledmaterials.Butthefinalgoalshouldbegreengyms.Theyarebetterreplacementsfortraditionalhealthclubsandmodernsportscenters.Membersofgreengymsplaysportsoutdoorsinthecountrysideorotheropenspaces.Thereisnospecialrequirementforyoutostartyourmembership.Andbestofallit’sfreE.64.Whichofthefollowingistheauthormostprobablyinfavorof?A.CyclingaroundalakE.B.Motorracinginthedesert.C.Playingbasketballinagym.D.Swimminginasportscenter.65.Whatdoweknowaboutgolffromthepassage?A.ItispopularinPortugalandSpain.B.ItcauseswatershortagesaroundtheworlD.C.Itpollutestheearthwithchemicalsandwastes.D.Itneedswaterandelectricitytokeepitscoursesgreen.66.Theauthorusespowerwalkingasanexamplemainlybecause______.A.itisanoutdoorsportB.itimprovesourhealthC.itusesfewerresourcesD.itisrecommendedbyexperts67.Theauthorwritesthepassageto_______.A.showusthefunctionofmajorsportsB.encourageustogoinforgreensportsC.discussthemajorinfluenceofpopularsportsD.introducedifferenttypesofenvironment-friendlysports
HowRoomDesignsAffectOurWorkandFeelingsks5uArchitectshavelonghadthefeelingthattheplacesweliveincanaffectourthoughtsfeelingsandbehaviors.Butnowscientistsaregivingthisfeelinganempirical经验的实证的basis.Theyarediscoveringhowtodesignspacesthatpromotecreativitykeeppeoplefocusedandleadtorelaxation.ks5uResearchesshowthataspectsofthephysicalenvironmentcaninfluencecreativity.In2007JoanMeyers-LevyattheUniversityofMinnesotareportedthattheheightofaroom'sceilingaffectshowpeoplethink.Herresearchindicatesthathigherceilingsencouragepeopletothinkmorefreelywhichmayleadthemtomakemoreabstractconnections.Lowceilingsontheotherhandmayinspireamoredetailedoutlook.ks5uInadditionstoceilingheighttheviewaffordedbyabuildingmayinfluenceanoccupant'sabilitytoconcentratE.NancyWellsandhercolleaguesatCornellUniversityfoundintheirstudythatkidswhoexperiencedthegreatestincreaseingreennessasaresultofafamilymovemadethemostgainsonastandardtestofattention.ks5uUsingnaturetoimprovefocusofattentionoughttopayoffacademicallyanditseemstoaccordingtoastudyledbyC.KennethTannerheadoftheSchoolDesign&PlanningLaboratoryattheUniversityofGeorgiA.Tannerandhisteamfoundthatstudentsinclassroomswithunblockedviewsofatleast50feetoutsidethewindowhadhigherscoresontestsofvocabularylanguageartsandmathsthandidstudentswhoseclassroomsprimarilyoverlookedroadsandparkinglots.ks5uRecentstudyonroomlightingdesignsuggeststhandim暗淡的lighthelpspeopletoloosenup.Ifthatistruegenerallykeepingthelightlowduringdinneroratpartiescouldincreaserelaxation.ResearchersofHarvardMedicalSchoolalsodiscoveredthatfurniturewithroundededgescouldhelpvisitorsrelax.ks5uSofarscientistshavefocusedmainlyonpublicbuildings.Wehaveaverylimitednumberofstudiessowe'realmostlookingattheproblemthroughastraw吸管architectDavidAllisonsays.Howdoyoutakeanswerstoveryspecificquestionsandmakebroadgeneralizeduseofthem?That'swhatwe'reallstrugglingwith.ks5uks5u64.WhatdoesJoanMeyers-Levyfocusoninherresearch?ks5uA.Light.B.Ceilings.C.Windows.D.FurniturE.ks5u65.Thepassagetellsusthat______.ks5uA.theshapeoffurnituremayaffectpeople'sfeelingsks5uB.lowerceilingsmayhelpimprovestudents'creativityks5uC.childreninadimclassroommayimprovetheirgradesks5uD.studentsinroomswithunblockedviewsmayfeelrelaxedks5u66.Theunderlinedsentenceinthelastparagraphprobablymeansthat______.ks5uA.theproblemisnotapproachedstepbystepks5uB.theresearchessofarhavefaultsinthemselvesks5uC.theproblemistoodifficultforresearcherstodetectks5uD.researchinthisareaisnotenoughtomakegeneralizedpatterns67.Whichofthefollowingshowstheorganizationofthepassage?ks5uCP:CentralPointP:PointSP:Sub-point次要点C.:Conclusionks5u
ThirteenvehicleslineduplastMarchtoraceacrosstheMojaveDesertseekingamillioninprizemoney.Towintheyhadtofinishthe142-mileraceinlessthan10hours.Teamsandwatchersknewtheremightbenowinneratallbecausethesevehiclesweremissingeakeypartdrivers.DARPAtheDefenseAdvancedResearchProjectsAgencyorganizedtheraceaspartofapushtodeveloproboticvehiclesforfuturebattlefields.ButtheGrandChallengeasitwascalledjustprovedhowdifficultitistogetacartospeedacrossanunfamiliardesertwithouthumanguidance.Onehaditsbrakelockupinthestartingarea.Anotherbeganbythrowingitselfontoawall.Anothergottiedupbybushesneartheroadafter1.9miles.Oneturnedupsidedown.Onetookoffinentirelythewrongdirectionandhadtobedisabledbyremote远距离的control.Onewentalittlemorethanamileandrushedintoafence;anothermanagedtogoforsixmilesbutstuckonarock.Thewinneriftherewasanyreached7.8milesbeforeitranintoalongnarrowholeandthefrontwheelscaughtonfire.YougetalotofrespectfornaturalabilitiesofthelivingthingssaysReinholdBehringerwhohelpeddesigntwoofthecar-sizevehiclesforacompanycalledSci-Autonics.Evenants蚂蚁candoallthesetaskseffortlessly.It’sveryhardforustoputtheseabilitiesintoourmachines.TheroboticvehiclesthoughwithnecessarymodernequipmentsuchasadvancedcomputersandGPSguidancehadtroublefiguringoutfastenoughtheblocksaheadthatatwo-year-oldhumanrecognizesimmediatelySurethatveryyoungchildwhohasjustonlylearnedtowalkmaynotthinktowipeapplejuiceoffherfacebutshealreadyknowsthatwhenthere’sacookieinthekitchenshehastoclimbupthetableandthatwhenshegetstothecookieitwilltastegood.Sheismoreadvancedevenmonthsoldthananymachinehumanshavedesigned.67.Watchersdoubtedifanyofthevehiclescouldfinishtheracebecause.A.theydidnothaveanyhumanguidanceB.theroadwasnotfamiliartothedriversC.thedistancewastoolongforthevehiclesD.theprizemoneywasunattractivetothedrivers68.DARPAorganizedtheraceinorderto.A.raisemoneyforproducingmoreroboticvehiclesB.pushthedevelopmentofvehicleindustryC.trainmorepeopletodriveinthedesertD.improvethevehiclesforfuturewars69.Fromthepassageweknowroboticvehiclesareakindofmachinesthat.A.candoeffortlesslywhatevertaskslivingthingcanB.cantakepartinaraceacross142mileswithatimelimitC.canshowofftheirabilitytoturnthemselvesupsidedownD.canmovefromplacetoplacewithoutbeingdrivenbyhumanbeings70.Intheracethegreatestdistanceoneroboticvehiclecoveredwas.A.abouteightmilesB.sixmilesC.almosttwomilesD.aboutonemile71.Inthelastparagraphthewriterimpliesthatthereisalongwaytogo.A.foraroboticvehicletofinisha142-mileracewithoutanydifficultiesB.foralittlechildwhohasjustlearnedtowalktoreachthecookieonthetableC.foraroboticvehicletodealwithasimpleproblemthatalittlechildcansolveD.foralittlechildtounderstandtheimportanceofwipingapplejuiceoffitsface
AsanyhomemakerwhohastriedtokeeporderatthedinnertableknowsthereisfarmoretoafamilymealthanfooD.SociologistMichaelLewishasbeenstudying50familiestofindoutjusthowmuchmorE.Lewisandhisco-workerscarriedouttheirstudybyvideotaping录像thefamilieswhiletheyateordinarymealsintheirownhomes.Theyfoundthatparentswithsmallfamiliestalkactivelywitheachotherandtheirchildren.Butasthenumberofchildrengetslargerconversationgiveswaytotheparents’effortstocontroltheloudnoisetheymakE.Thatcanhaveanimportanteffectonthechildren.Ingeneralthemorequestion-askingtheparentsdothehigherthechildren’sIQscoresLewissays.Andthemorechildrentherearethelessquestion-askingthereis.Thestudyalsoprovidesanexplanationforwhymiddlechildrenoftenseemtohaveahardertimeinlifethantheirsiblings兄弟姐妹.Lewisfoundthatinfamilieswiththreeorfourchildrendinnerconversationislikelytocenterontheoldestchildwhohasthemosttotalkaboutandtheyoungestwhoneedsthemostattention.MiddlechildrenareinvisiblesaysLewis.Whenyouseesomeonegetupfromthetableandwalkaroundduringdinnerchancesareit’sthemiddlechilD.Thereishoweveronethingthatstopsallconversationandpreventsanyonefromhavingattention:WhentheTVisonLewissaysdinnerisanon-event.66.Thewriter’spurposeinwritingthetextisto_________.A.showtherelationshipbetweenparentsandchildrenB.teachparentswaystokeeporderatthedinnertableC.reportonthefindingsofastudyD.giveinformationaboutfamilyproblems67.Parentswithlargefamiliesaskfewerquestionsatdinnerbecause____________.A.theyarebusyservingfoodtotheirchildrenB.theyarebusykeepingorderatthedinnertableC.theyhavetopaymoreattentiontoyoungerchildrenD.theyaretiredouthavingpreparedfoodforthewholefamily68.BysayingMiddlechildrenareinvisibleinparagraph3Lewismeansthatmiddlechildren_________.A.havetohelptheirparentstoservedinnerB.gettheleastattentionfromthefamilyC.areoftenkeptawayfromthedinnertableD.findithardtokeepupwithotherchildren69.Lewis’researchprovidesananswertothequestion_________.A.whyTVisimportantinfamilylifeB.whyparentsshouldkeepgoodorderC.whychildreninsmallfamiliesseemtobequieterD.whymiddlechildrenseemtohavemoredifficultiesinlife70.Whichofthefollowingstatementswouldthewriteragreeto?A.Itisimportanttohavetherightfoodforchildren.B.ItisagoodideatohavetheTVonduringdinner.C.Parentsshouldtalktoeachoftheirchildrenfrequently.D.Elderchildrenshouldhelptheyoungeronesatdinner
It'snottheflashiestcarintheworlD.NotevenclosE.Butthe1971VolkswagennamedHelioscandosomethingmostcarscan't:nmonsolarenergy-energyfromthesun'slightandheat!JoshuaBechtold14andtheotherstudentsattheRiversideSchoolinLyndonvilleVermontworkedmanymonthstogetHeliosreadyforthe1999AmericanTourdeSolSolistheLatinwordforsun.TheynamedtheircarafterHeliosthesungodinGreekmythology神话.The4-year-oldTourdeSolencouragestheuseofgreenorenvironmentallyfriendlycarstohelpreducepollutionandsaveenergy.It'snotaracE.Carsarejudgedonfuelefficiency耗油量ratherthanspeeD.Intheweek-longevent44carstookthe350-miletourfromWaterburyConnecticuttoLakeGeorgeNewYork.Ofthe23studentcarsHelioswastheonlyonebuiltbymiddleschoolstudents.AteacherdroveHeliosbutthechildrentalkedwithpeoplewherevertheystoppedalongthemaD.ThatwasmyfavoritepartsaysAnnaBrowne15.Weexplainedhowthecarruns.Dueinparttooldinefficientbatteries电池Heliosfinishedfourth-outoffour-initskindthesun-poweredclass.WewerethereforthefunofitAnnasays.We'reproudofHeliossaysArielGleicher14.It'sacarthat'sgoodfortheenvironment.64.WhatisspecialaboutthecarHeliosinthetext?A.Itwasbuiltbymiddleschoolstudents.B.Ithasan'attractivedesign.C.Itwasmadein1971.D.ItwonthefourthprizE.65.Howmanysun-poweredcarstookpartintherace?A.1.B.4.C.23.D.44.66.Whatwouldbethebesttitleforthetext.'?A.TheMakingofHeliosB.1999AmericanTourdeSolC.Sun-poweredCarsontheRoadD.UseofGreenCarsinConnecticut67.ThestudentsfeltproudofHeliosbecause______.A.itcouldrunasfaras350milesB.itwasfavoredbymanychildrenC.ithadhigh-qualitybatteriesD.itwasdrivenbycleanenergy
Sometimesthesimplestideasarethebest.Forexampletoabsorbheatfromthesuntoheatwateryouneedlargeflatblacksurfaces.Onewaytodothatistobuildthosesurfacesspeciallyontheroofsofbuildings.Butwhygotoallthattroublewhencitiesarerubofblacksurfacesalreadyintheformofasphalt柏油roads?TenyearsagothisthoughtcameintothemindofAriandeBondtaDutchengineer.Hefinallypersuadedhisbosstofollowitup.TheresultisthattheirbuildingisnowheatedinwinterandcooledinsummerbyasystemthatreliesonthesurfaceoftheroadoutsidE.Theheat-colleetorisasystemofconnectedwaterpipes.MostofthemranfromonesideofthestreettotheotherjustundertheasphaltroaD.SomehoweverdivedeepintothegrounD.Whenthestreetsurfacegetshotinsummerwaterpumpedthroughthepipespicksupthisheatandtakesitundergroundthroughoneofthedivingpipes.Atadepthof100metresliesanaturalaquifer蓄水层intowhichseveralheatexchangers交换器havebeenbuilt.Thehotwaterfromthestreetrunsthroughtheseexchangerswarningtheground-waterbeforereturningtothesurfacethroughanotherpipE.TheaquiferisthususedasaheatstorE.Inwintertheworkingsystemischangedslightly.Waterispumpedthroughtheheatexchangerstopickuptheheatstoredduringsummer.Thiswatergoesintothebuildingandisusedtowarmtheplaceup.AfterperformingthattaskitispumpedundertheasphaltanditsremainingheatkeepstheroadfreeofsnowandicE.64.Whichofthefollowingistrueaccordingtothefirsttwoparagraphs?A.AriandeBondtgothisideafromhisboss.B.Largeflatblacksurfacesneedtobebuiltincities.C.TheDutchengineer'ssystemhasbeenwidelyuseD.D.Heatcanalsobecollectedfromasphaltroads.65.Forwhatpurposearethedivingpipesused?A.Toabsorbheatfromthesun.B.TostoreheatforfutureusE.C.Toturnsolarenergyintoheatenergy.D.TocarryheatdownbelowthesurfacE.66.Fromthelastparagraphwecanlearnthat__A.somepipeshavetobere-arrangedinwinterB.thesystemcandomorethanwarmingupthebuildingC.theexchangerswillpickupheatfromthestreetsurfaceD.lessheatmaybecollectedinwinterthaninsummer67.Whatismostlikelytobediscussedintheparagraphthatfollows?A.Whatweshalldoifthesystemgoeswrong.B.Whatweshalldoiftherearenoasphaltroads.C.Howthesystemcoolsthebuildinginsummer.D.Howthesystemcollectsheatinspringandautumn.
Whenbuildinghousespeopleusedtothinkaboutnotonlytheclimateoftheareasbutalsothebuildingmaterialsandthefashionsfortheirhouses.Howeversinceelectricitybecamemoreandmoreexpensivepeoplebegantopaymuchmoreattentiontotheenergytheycouldgetfortheirhousesandthenewwaystheycouldfindtoprotecttheirhousesfrombothcoldandheat.Nowhousesofanoldyetnewtypehavebeenwidelybuilt.Insomepartsoftheworldpeoplesharetheirhouseswiththeirlivestock家畜.Duringcoldweathertheygathertheircowsgoatsorotheranimalsandkeepthemonthefirstflooroftheirhouses.Thereasonsarethattheanimalscanbeprotectedfromthecoldandthattheycanhelptoheatthehousesaswell.ThebodyheatgivenoffbytheanimalsrisestothesecondfloorofthehouseswherepeoplelivE.Bysharingtheirhouseswiththeirlivestockpeoplegainasourceofheat.Peoplewholiveinornearcitiesdonotusuallykeeplivestock.Howeverhomebuildersusethefactthatheatrises.Thisnaturallawcanbeusedinbuildinghousesintheseareas.Insteadofkeepinglivestockonthefirstfloorbuildersfillitwithlargerocks.Astheyareopentothesun’sraysduringcoldweathertheserockstakeinheat.Theyalsogiveofftheheatandofcoursethewarmairrisesintothelivingareasofthehouses.Sothesehousesareenergy-saving.House-buildingbecomesagreatchallenge挑战tobuildingdesignersandenergyengineers.Theytrytomeetthischallengebylearningfromoldtraditionsandbyusingmoderntechnology.Andsomedayinthefuturepeoplewillbeabletoliveinmoreenergy-savinghouses.56.Whatdidpeoplebegintoconsideraselectricitywasnolongercheap?A.Theclimateoftheirareas.B.Theenergyfortheirhouses.C.Thefashionsfortheirhouses.D.Thebuildingmaterialsfortheirhouses.57.Peopleinsomeareasgainasourceofheatby_________.A.keepingtheirlivestockdownstairsB.protectingtheirlivestockfromthecoldC.sharingtheirhousesonlywiththeircowsD.livingonthesecondfloorwiththeirlivestock58.Theunderlinedwordsnaturallawinthethirdparagraphrefertothefactthat________.A.heatraisesthetemperatureinthehousesB.heatgoesintheupwarddirectionC.heatgoesupiftemperatureisraisedD.heatincreasesthetemperatureofrocks59.Fromthepassagewecanconcludethat__________.A.peoplewillnolongerconsiderbuildingmaterialsinthefutureB.energy-savingbuildingswillbecomemorepopularinthefutureC.almostallpeoplewillmoveintothehousesheatedbylargerocksD.energyengineerswilldevotethemselvesonlytomoderntechnology
Supermarketsaretryingoutnewcomputersthatmakeshoppingcartsmoreintelligent具备智能的.Theywillhelpshoppersfindpapercupsortoiletsoapandkeeparecordofthebill.Thetouch-screendevices触摸屏装置areonshowattheFoodMarketingInstitute’sexhibitionherethisweekThesedevicesareabletocreatevalueandgetyouaroundthestorequickersaidMichaelAlexandermanagerofSpringboardRetailNetworksInC.whichmakesasmartcartcomputercalledtheConciergE.CanadianstoreswilltesttheConciergeinJuly.AsimilardeviceIBM’sShoppingBuddyhasrecentlybeentest-marketedatStop&ShopstoresinMassachusetts.Neitherdevicetellsyouhowmanyfatgramsorcaloriesareinyourcartbuttheywillflashyouwithitemsonsale.Theideaistomakeiteasierforpeopletobuynottohavesecondthoughtsthatmaybeyoushouldputsomethingbackontheshelf.Thewholemodelisdrivenbyadvertisers’needtogetinfrontofshopperssaidAlexander.They’renotwatching30-secondTVadsanymorE.Peoplecanuseahomecomputertomaketheirshoppinglists.Onceatthestoreashoppercanuseapreferredcustomercardtostartasystem系统thatwillorganizethetriparoundthestore.Ifyou’relookingfortoothpicksyoutypeinthewordorpickitfromalistandamapwillappearonthescreenshowingwhereyouareandwhereyoucanfindthem.Thedevicealsokeepsarecordofwhatyoubuy.Whenyou’refinishedthedevicefiguresoutyourbill.Thenyougotothecheckerorplaceyourcardintoaself-checkoutstandandpay.Thenewcomputerizedshoppingassistantsdon’tcomecheap.TheBuddydeviceswillcosttheaveragestoreabout$160000andtheConciergewillcoststoresabout$500foreachdevicE.53.Theunderlinedwordtheyparagraph1refersto______.A.supermarketsB.shopassistantsC.shoppingcartsD.shopmanagers54.Whichofthefollowingisthecorrectorderofshoppingwithcomputerizedshoppingcarts?a.Startthesystem.b.Makeashoppinglist.c.Findthethingsyouwant.d.Gotoaself-checkoutstanD.A.abdcB.bacdC.acbdD.bcad55.Wecanlearnfromthelastparagraphthat______.A.intelligentshoppingcartscostalargesumofmoneyB.theConciergeischeaperthantheBuddydevicesC.shopassistantswithcomputerknowledgearewellpaidD.averagestoresprefertheConciergetotheBuddydevices56.Whatmightbethemostsuitabletitleforthetext?A.NewageforsupermarketsB.ConciergeandShoppingBuddyC.NewcomputersmakeshoppingcartssmarterD.Touch-screendevicesmakeshoppingenjoyable
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
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.
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
AdevicethatstopsdriversfromfallingasleepatthewheelisabouttoundergotestingatDepartmentofTransportlaboratoriesandcouldgoonsalewithin12months.ThesystemcalleddriverAlertaimstoreducedeadlyroadaccidentsby20%--40%thatarecausedbytiredness.Airlinepilotscanalsouseittoreducethe30%ofallpilot-erroraccidentsthatarerelatedtofatiguE.DriverAlertisbasedonacomputerizedwristbanD.Thedevicewornbydriversorpilotsgivesoutasoundabouteveryfourminutesduringacarjourney.Aftereachsoundthedrivermustrespondbysqueezingthesteeringwheel方向盘.A.sensorinthewristbanddetectsthispressingactionandmeasuresthetimebetweenthesoundandthedriver’sresponsE.Tirednessisdirectlyrelatedtoadriver’sresponsetimE.Usuallyawatchfuldriverwouldtakeabout400millisecondstorespondbutoncethatfallstomorethan500millisecondsitsuggeststhatthedriverisgettingsleepy.Insuchcasesthedevicegivesoutmoreregularandloudersoundsshowingthatthedrivershouldopenawindoworstopforarest.Ifthedriver’sresponsecontinuestoslowdownthesoundsbecomemorefrequentuntilanonstopalarmwarmsthatthedrivermuststopassoonaspossiblE.Thedevicehasbeendeliveredtothedepartment’slaboratoriesfortesting.Ifthesetestsscheduledforsixmonths’timearesuccessfulthemarkerswillbringtheproducttomarketwithinaboutayear.72.AccordingtothetextDriverAlert______A.aimstoreducetiredness-relatedaccidentsB.hasgonethroughtestingatlaboratoriesC.aimstopreventdriversfromsleepingD.hasbeenonsalefor12months73.HowshouldadriverrespondtothesoundsfromDriverAlert?A.BysoundingawarningB.BytouchingthewristbandC.BycheckingthedrivingtimeD.Bypressingthesteeringwheel74.Wecanlearnfromthetextthatthedriverneedstostopforabreakwhenhisresponsetimeis________A.About400millisecondsB.below500millisecondsC.over500millisecondsD.about400minutes75.WhenthedrivergetssleepywhiledrivingDriverAlert______A.movesmoreregularlyB.stopsworkingproperlyC.opensthewindowforthedriverD.soundsmorefrequentlyandloudly
Equippedonlywithapairofbinoculars双筒望远镜andreadytospendlonghourswaitinginallweathersforapreciousglanceofararebullfinch红腹灰雀.Britain’sbirdwatchershadlongbeensupposedtobeloversofaminoritysport.Butnewfiguresshowbirdwatchingisfastbecomingapopularpastimewithalmostthreemillionofusabsorbedinourflutteringfeatheredfriends.DevotedbirdwatchersthosepreparedtotravelthousandsofmilesforasightingofarareSiberianbirdarefastbeingjoinedbyanewbreedoffollowerwhoseinterestissatiatedbywatchingafewfinches雀科鸣鸟onaSundaywalkorputtingupabird-boxinthebackgarden.AlmostthreemillionUKbirdwatchersiscertainlypossibleifyouincludeeveryonewithonlyacasualinterest.StephenMosssaidinhisnewlypublishedbook－ABirdintheBushaSocialHistoryofBirdwatching－whichrecordsthepursuitfromtherichVictorianEnglishman’sloveofshootingrarebirdstothelessoffensiveobservationaltendenciesofbirdwatcherstoday.Televisionwildlifeprogrammeshavehelpedtofuelthenewtrend.LastsummerBBC2’sBritainGoesWildwasasurprisesuccess.Itpulledinthreemillionviewersandledtobird-housessellingoutacrosstheUKas45000peoplepromisedtoputupabox.Birdwatchers’networkingsystemfirstcametotheattentionofthenationin1989whenabirdwatchercaughtsightofthefirstVermivorachrysoptera-agoldenwingedsongbirdfromNorthAmerica－tobeseeninBritain.HeputamessageouronthenetworkserviceBirdlineandthenextday3000birdwatchersprovedthefellpullofatrulyrarebirdastheyvisitedtheTescocarparkinKentwhereithadsettleD.Todaybirdwatcherscanlogontowww.birdlinE.co.ukorhavenewsofthelatestsightingstextedtotheirphones.Multimillion-poundspendingonbinocularsbirdfoodandboxespointtotheincreasingnumbersofbirdwatcherssaidDavidCromacktheeditorofBirdWatchingmagazineThenumberofpeopleinvolvedissobigthattheyhavegreatpotentialtoinfluencegovernmentdecisionsaffectingtheenvironment.76.Thewordsatiatedinparagraph2canbestbereplacedby.A.affectedB.sharedC.satisfiedD.narrowed77.WhathappenedafterthemessageofseeingaVermivorachrysopterawasputonthenetwork?A.BirdwatchershelpedtherarebirdsettleinKent.B.LargenumbersofbirdwatcherswenttoviewthebirD.C.Manybirdwatchersloggedontothewebsitefordetails.D.BirdwatchersshowedtheirdeterminationtoprotecttherarebirD.78.WhichofthefollowingCANNOTbetrueaccordingtothepassage?A.Televisionwildlifeprogrammesstartedthepopularpastimeofbirdwatching.B.Thenetworkservicehascontributedtotherapiddevelopmentofbirdwatching.C.BirdwatchinginBritainwaslongconsideredasportwithasmallgroupoffollowers.D.Thecurrentsituationofbirdwatchingmaypromotetheprotectionoftheenvironment.79.Thepassagemainlytellsusabout___________inUK.A.thehistoryofbirdwatchigB.agrowingpassionforbirdwatchingC.theimpactofmediaonbirdwatchingD.birdwatcingasapopularexpensivesport
GetyourhandsoffmeIhavebeenstolenthelaptopaportablecomputershouteD.Thatisanewsolutiontolaptopcomputertheft:aprogramthatletsownersgivetheirpropertyavoicewhenithasbeentaken.Theprogramallowsuserstodisplayalertsonthemissingcomputer’sscreenandeventosetaspokenmessagE.TrackingsoftwareforstolenlaptopshasbeenonthemarketforsometimebutthisisthoughttobethefirstthatallowsownerstogivethethiefapieceoftheirminD.Ownersmustreporttheirlaptopmissingbyloggingontoawebsitewhichsendsamessagetothemodel:aredandyellowlostorstolenbannerpopsuponitsscreenwhenitisstarteD.Underthelatestversion版本ofthesoftwareuserscanalsosendaspokenmessagE.Themessagecanbesettoreappearevery30secondsnomatterhowmanytimesthethiefclosesit.Onecustomersentamessagesaying‘YouarebeingtrackeD.Iamrightatyourdoor’saidCarrieHafemanchiefexecutiveofthecompanywhichproducestheprogramRetriever.InthelatestversionpeoplecanaddaspokenmessagE.Thedefaultthroughthecomputer’sspeakersis:Helpthislaptopisreportedlostorstolen.Ifyouarenotmyownerpleasereportmenow.TheRetrieversoftwarepackagewhichcosts$29.95￡21buthasafreetrialperiodhasthefunctionsofmanysecuritysoftwareprograms.Ownerscanremotelyswitchtoanalternativepasswordpromptiftheyfearthatthethiefhasalsogotholdoftheaccessdetails.IfathiefaccessestheinternetwiththestolenlaptopRetrieverwillcollectinformationontheinternetserviceproviderinusesothatthepolicecanbealertedtoitslocation.Thousandsoflaptopsarestoleneveryyearfromhomesandofficesbutwiththeuseoflaptopsincreasingthenumberstolenwhiletheirownersareoutandabouthasbeenrisingsharply.Othersecuritysoftwareallowsuserstoerasedataremotelyorlockdownthecomputer.72.Theexpressiontogivethethiefapieceoftheirmindcanbeunderstoodas_______.A.togivethethiefanalertmindB.toexpresstheowners’angertothethiefC.toremindthethiefofhisconscienceD.tomakethethiefgiveuphismind73.DifferentfromothersecuritysoftwareRetrievercan______.A.recordthestealingprocessB.helprecognizethelostlaptopC.lockdownthecomputerremotelyD.sendaspokenmessage74.Onefunctionoftheprogramisthatitallowstheownerto______atadistancE.A.changesomeaccessdetailsforswitchingonthelaptopB.turnonthelaptopbyusingtheoriginalpasswordC.operatethelaptopbymeansofanalternativepasswordD.erasetheinformationkeptinthestolenlaptop75.Whichofthefollowingcanbestsummarizethemainideaofthepassage?A.WithnoRetrieverthousandsoflaptopsarestoleneveryyear.B.A.newsoftwareprovidesameanstoreducelaptoptheft.C.Retrieverhashelpedtofindthievesandlostcomputers.D.A.newprogramoffersacommunicationplatformwiththethief.
SportscanhelpyoukeepfitandgetintouchwithnaturE.Howeverwhetheryouareonthemountainsinthewavesoronthegrasslandyoushouldbeawarethatyoursportofchoicemighthavegreatinfluenceontheenvironment.Somesportsareresource-hungry.Golfasyoumayknoweatsupnotonlylargeareasofcountrysidebutalsotonsofwater.Besidesallsortsofchemicalsandhugeamountsofenergyareusedtokeepitscourses球场ingoodcondition.Thiscausesmajorenvironmentaleffects.ForexampleinthedryregionsofPortugalandSpaingolfisoftenheldresponsibleforseriouswatershortageinsomelocalareas.Therearemanyenvironment-friendlysports.Powerwalkingisoneofthemthatyoucouldtakeuptoday.Youdon’tneedanyspecialequipmentexceptagoodpairofshoes;andyoudon’thavetoworryaboutresourcesandyourpursE.Simpleandfreepowerwalkingcanalsokeepyoufit.Ifyouwalkregularlyitwillbegoodforyourheartandbones.Expertssaythat20minutesofpowerwalkingdailycanmakeyoufeellessanxioussleepwellandhavebetterweightcontrol.Whateversportyoutakeupyoucanmakeitgreenerbyusingenvironment-friendlyequipmentandbuyingproductsmadefromrecycledmaterials.Butthefinalgoalshouldbegreengyms.Theyarebetterreplacementsfortraditionalhealthclubsandmodernsportscenters.Membersofgreengymsplaysportsoutdoorsinthecountrysideorotheropenspaces.Thereisnospecialrequirementforyoutostartyourmembership.Andbestofallit’sfreE.64.Whichofthefollowingistheauthormostprobablyinfavorof?A.CyclingaroundalakE.B.Motorracinginthedesert.C.Playingbasketballinagym.D.Swimminginasportscenter.65.Whatdoweknowaboutgolffromthepassage?A.ItispopularinPortugalandSpain.B.ItcauseswatershortagesaroundtheworlD.C.Itpollutestheearthwithchemicalsandwastes.D.Itneedswaterandelectricitytokeepitscoursesgreen.66.Theauthorusespowerwalkingasanexamplemainlybecause______.A.itisanoutdoorsportB.itimprovesourhealthC.itusesfewerresourcesD.itisrecommendedbyexperts67.Theauthorwritesthepassageto_______.A.showusthefunctionofmajorsportsB.encourageustogoinforgreensportsC.discussthemajorinfluenceofpopularsportsD.introducedifferenttypesofenvironment-friendlysports
Wealreadyknowthefastestleastexpensivewaytoslowclimatechange:Uselessenergy.Withalittleeffortandnotmuchmoneymostofuscouldreduceourenergydietsby25percentormore―doingtheEarthafavorwhilealsohelpingourwallets.NotlongagE.MywifePJandItriedanewdiet―nottolosealittleweightbuttoansweranannoyingquestionaboutclimatechangE.Scientistshavereportedrecentlythattheworldisbendingupevenfasterthanpredictedonlyafewyearsagoandthattheconsequencescouldbesevereifwedon’tkeepreducingemissions排放ofcarbondioxideCO2andothergreenhousegasesthataretrappingheatinouratmospherE.Wedecidedtotryanexperiment.ForonemonthwerecordedourpersonalemissionsofCO2..Wewantedtoseehowmuchwecouldcutbacksowewentonastrictdiet.TheaverageUShousehold家庭producesabout150poundsofCO2adaybydoingcommon-placethingsliketurningonair-conditioningordrivingcars.That’smorethantwicetheEuropeanaverageandalmostfivetimestheglobalaveragemostlybecauseAmericansdrivemoreandhavebiggerhouses.Buthowmuchshouldwetrytoreduce?ForananswerIcheckedwithTimFlanneryauthorofTheWeatherMakers:HowManIsChangingtheClimateandWhatItMeansforLifeonEarth.Inhisbookhehadchallengedreaderstomakedeepcutsinpersonalemissionstokeeptheworldfromreachingextremelyimportanttippingpointssuchasthemelting融化oftheicesheetsinGreenlandorWestAntarcticA.TostaybelowthatpointweneedtoreduceCO2emissionsby80percenthesaiD.GoodadviceIthought.I’dopenedourbedroomwindowstoletinthewinD.We’dgottensousedtokeepingourair-conditioninggoingaroundtheclock.I’dalmostforgottenthewindowsevenopeneD.Weshouldnotletthishappenagain.It’stimeforustochangeourhabitsifnecessary.72.Whydidtheauthorandhiswifetryanewdiet?A.TotakespecialkindsoffoodB.TorespondtoclimatechangE.C.ToloseweightD.Toimprovetheirhealth73.TheunderlinedwordstippingpointsmostprobablyrefertoA.freezingpointsB.burningpointsC.meltingpointsD.boilingpoints74.ItcanbeinferredfromthepassagethatA.itisnecessarytokeeptheair-conditioningonallthetimeB.itseemspossibleforeveryhouseholdtocutemissionsofCO2C.theaverageUShouseholdproducesabout3000poundsofCO2amonthD.theaverageEuropeanhouseholdproducesabout1000poundsofCO2amonth
SportscanhelpyoukeepfitandgetintouchwithnaturE.Howeverwhetheryouareonthemountainsinthewavesoronthegrasslandyoushouldbeawarethatyoursportofchoicemighthavegreatinfluenceontheenvironment.Somesportsareresource-hungry.Golfasyoumayknoweatsupnotonlylargeareasofcountrysidebutalsotonsofwater.Besidesallsortsofchemicalsandhugeamountsofenergyareusedtokeepitscourses球场ingoodcondition.Thiscausesmajorenvironmentaleffects.ForexampleinthedryregionsofPortugalandSpaingolfisoftenheldresponsibleforseriouswatershortageinsomelocalareas.Therearemanyenvironment-friendlysports.Powerwalkingisoneofthemthatyoucouldtakeuptoday.Youdon’tneedanyspecialequipmentexceptagoodpairofshoes;andyoudon’thavetoworryaboutresourcesandyourpursE.Simpleandfreepowerwalkingcanalsokeepyoufit.Ifyouwalkregularlyitwillbegoodforyourheartandbones.Expertssaythat20minutesofpowerwalkingdailycanmakeyoufeellessanxioussleepwellandhavebetterweightcontrol.Whateversportyoutakeupyoucanmakeitgreenerbyusingenvironment-friendlyequipmentandbuyingproductsmadefromrecycledmaterials.Butthefinalgoalshouldbegreengyms.Theyarebetterreplacementsfortraditionalhealthclubsandmodernsportscenters.Membersofgreengymsplaysportsoutdoorsinthecountrysideorotheropenspaces.Thereisnospecialrequirementforyoutostartyourmembership.Andbestofallit’sfreE.64.Whichofthefollowingistheauthormostprobablyinfavorof?A.CyclingaroundalakE.B.Motorracinginthedesert.C.Playingbasketballinagym.D.Swimminginasportscenter.65.Whatdoweknowaboutgolffromthepassage?A.ItispopularinPortugalandSpain.B.ItcauseswatershortagesaroundtheworlD.C.Itpollutestheearthwithchemicalsandwastes.D.Itneedswaterandelectricitytokeepitscoursesgreen.66.Theauthorusespowerwalkingasanexamplemainlybecause______.A.itisanoutdoorsportB.itimprovesourhealthC.itusesfewerresourcesD.itisrecommendedbyexperts67.Theauthorwritesthepassageto_______.A.showusthefunctionofmajorsportsB.encourageustogoinforgreensportsC.discussthemajorinfluenceofpopularsportsD.introducedifferenttypesofenvironment-friendlysports
Wehavemettheenemyandheisours.Weboughthimatapetshop.Whenmonkey-poxadiseaseusuallyfoundintheAfricanrainforestsuddenlyturnsupinchildrenintheAmericanMidwestit’shardnottowonderifthediseasethatcomesfromforeignanimalsishominginonhumanbeings.Mostoftheinfections感染wethinkofashumaninfectionsstartedinotheranimalssaysStephenMorsedirectoroftheCenterforPublicHealthPreparednessatColumbiaUniversity.It’snotjustthatwe’regoingtowheretheanimalsarewe’realsobringingthemclosertous.Popularforeignpetshavebroughtawholenewdiseasetothiscountry.A.strangeillnesskilledIsaksen’spetsandshenowthinksthatkeepingforeignpetsisabadideA.Idon’tthinkit’sfairtohavethemaspetswhenwehavesuchalimitedknowledgeofthemsaysIsaksen.LawsallowingtheseanimalstobebroughtinfromdeepforestareaswithoutstrictercontrolneedchangingsaysPeterSchantz.Monkey-poxmaybethewake-upcall.Researchersbelieveinfectedanimalsmayinfecttheirowners.Weknowverylittleaboutthesenewdiseases.A.newbug病毒maybekindatfirst.Butsomestrains变异体maybecomeharmful.Monkey-poxdoesn’tlookamajorinfectiousdiseasE.Butitisnotimpossibletopassthediseasefrompersontoperson.64.WelearnfromParagraph1thatthepetsoldattheshopmay________.A.comefromColumbiaB.enjoybeingwithchildrenC.preventusfrombeinginfectedD.sufferfrommonkey-pox65.WhydidIsaksenadvisepeoplenottohaveforeignpets?A.Theyattackhumanbeings.B.Weneedtostudynativeanimals.C.Theycan’tliveoutoftherainforest.D.Wedonotknowmuchaboutthemyet.66.Whatdoesthephrasethewake-upcallinParagraph3mostprobablymean?A.anewdiseaseB.aclearwarningC.adangerouscallD.amorningcall67.Thetextsuggeststhatinthefuturewe_____.A.mayhavetofightagainstmorenewdiseasesB.mayeasilygetinfectedbydiseasesfromdogs.C.shouldnotbeallowedtohavepetsD.shouldstopbuyingpetsformAfricA.
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
Grown－upsknowthatpeopleandobjectsaresoliD.AtthemoviesweknowthatifwereachouttotouchTomCruiseallwewillfeelisair.Butdoesababyhavethisunderstanding?ToseewhetherbabiesknowobjectsaresolidT.Bowerdesignedamethodforprojectinganopticalillusion视觉影像ofahangingball.Hisplanwastofirstgivebabiesarealballonetheycouldreachoutandtouchandthentoshowthemtheillusion.Iftheyknewthatobjectsaresolidandtheyreachedoutfortheillusionandfoundemptyairtheycouldbeexpectedtoshowsurpriseintheirfacesandmovements.Allthe16-to24-week-oldbabiestestedweresurprisedwhentheyreachedfortheillusionandfoundthattheballwasnottherE.Grown－upsalsohaveasenseofobjectpermanence.Weknowthatifweputaboxinaroomandlockthedoortheboxwillstillbetherewhenwecomeback.Butdoesababyrealizethataballthatrollsunderachairdoesnotdisappearandgotonever-neverland?ExperimentsdonebyBowersuggestthatbabiesdevelopasenseofobjectpermanencewhentheyareabout18weeksolD.InhisexperimentsBowerusedatoytrainthatwentbehindascreen.When16－week－oldand22-week-oldbabieswatchedthetoytraindisappearbehindtheleftsideofthescreentheylookedtotherightexpectingittoreappear.Iftheexperimentertookthetrainoffthetableandliftedthescreenallthebabiesseemedsurprisednottoseethetrain.ThisseemstoshowthatallthebabieshadasenseofobjectpermanencE.ButthesecondpartoftheexperimentshowedthatthiswasnotreallythecasE.Theresearchersubstituted替换aballforthetrainwhenitwentbehindthescreen.The22-week-oldbabiesseemedsurprisedandlookedbacktotheleftsideforthetrain.Butthe16-week-oldbabiesdidnotseemtonoticetheswitch更换.Thusthe16-week-oldbabiesseemedtohaveasenseofsomethingpermanencewhilethe22－week－oldbabieshadasenseofobjectpermanencerelatedtoaparticularobject.68.Thepassageismainlyabout_____.A.babies’senseofsightB.effectsofexperimentsonbabiesC.babies’understandingofobjectsD.differenttestsonbabies’feelings69.InParagraph3objectpermanencemeansthatwhenoutofsightanobject________.A.stillexistsB.keepsitsshapeC.stillstayssolidD.isbeyondreach70.WhatdidBoweruseinhisexperiments?A.A.chair.B.A.screen.C.A.film.D.A.box.71.Whichofthefollowingstatementsistrue?A.Thebabiesdidn’thaveasenseofdirection.B.Theolderbabiespreferredtoytrainstoballs.C.Theyoungerbabieslikedlookingformissingobjects.D.Thebabiescouldn’ttellaballfromitsopticalillusion.
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