高中英語(yǔ)黃金閱讀(高三版)-科技類(一)(含答案詳解)

高中英語(yǔ)黃金閱讀(高三版)－－科技類（一）（含答案詳解）(1)Withonlyabout1,000pandasleftintheworld,Chinaisdesperatelytryingtoclone(克隆)theanimalandsavetheendangeredspecies(物種).That’samovesimilartowhataTexasA&MUniversityresearchershavebeenundertakingforthepastfiveyearsinaprojectcalled“Noah’sArk”.Noah’sArkisaimedatcollectingeggs,embryos(胚胎),semenandDNAofendangeredanimalsandstoringtheminliquidnitrogen.Ifcertainspeciesshouldbecomeextinct,Dr.DuaneKraemer,aprofessorinTexasA&M’sCollegeofVeterinaryMedicine,saystherewouldbeenoughofthebasicbuildingblockstoreintroducethespeciesinthefuture.Itisestimatedthatasmanyas2,000speciesofmammals,birdsreptileswillbecomeextinctinover100years.Thepanda,nativeonlytoChina,isindangerofbecomingextinctinthenext25years.Thisweek,ChinesescientistssaidtheygrewanembryobyintroducingcellsfromadeadfemalepandaintotheeggcellsofaJapanesewhiterabbit.Theyarenowtryingtoimplanttheembryointoahostanimal.Theentireprocedurecouldtakefromthreetofiveyearstocomplete.“Thenucleartransfer(核子移植)ofonespeciestoanotherisnoteasy,andthelackofavailable(capableofbeingused)pandaeggscouldbeamajorproblem,”Kraemerbelieves.“Theywillprobablyhavetodoseveralhundredtransferstoresultinonepregnancy(havingababy).Ittakesalongtimeandit’sdifficult,butthiscouldbegroundbreakingscienceifitworks.Theyarecertainlynotputtinganylivepandasatrisk,soitisworththeeffort,”addsKraemer,whoisoneoftheleadersoftheProjectatTexasA&M,thefirst-everattemptatcloningadog.“Theyaretryingtodosomethingthat’sneverbeendone,andthisisverysimilartoourworkinNoah’sArk.We’rebothtryingtosaveanimalsthatfaceextinction.Icertainlyappreciatetheireffortandthere’salotwecanlearnfromwhattheyareattemptingtodo.It’saresearchthatisverymuchneeded.”1.Theaimof“Noah’sArk”projectisto_______.A.makeeffortstoclonetheendangeredpandasB.saveendangeredanimalsfromdyingoutC.collectDNAofendangeredanimalstostudyD.transferthenuclearofoneanimaltoanother2.AccordingtoProfessorKraemer,themajorproblemincloningpandaswouldbethelackof_______.A.availablepandaeggsB.hostanimalsC.qualifiedresearchersD.enoughmoney3.Thebesttitleforthepassagemaybe_______.A.China’sSuccessinPandasCloningB.TheFirstClonedPandaintheWorldC.ExploringthePossibilitytoClonePandasD.China—theNativePlaceofPandasForever4.Fromthepassageweknowthat_______.A.KraemerandhisteamhavesucceededincloningadogB.scientiststrytoimplantapanda’seggintoarabbitC.KraemerwillworkwithChinesescientistsincloneresearchesD.abouttwothousandofspecieswillprobablydieoutinacentury【答案與解析】本文講述中國(guó)正在竭力克隆瀕臨絕種的熊貓，這和TexasA&MUniversity的Noah'sArk(諾亞方舟)工程極為相似，都是想拯救瀕臨滅絕的動(dòng)物。1.B。語(yǔ)義理解題。從第2段內(nèi)容可知，“諾亞方舟”工程的目標(biāo)是把瀕臨滅絕的動(dòng)物的蛋(卵)、胚胎、精液和DNA儲(chǔ)存在液體氮中，如果某一種動(dòng)物瀕臨滅絕時(shí)，將來(lái)可以重現(xiàn)這一動(dòng)物。2.A。細(xì)節(jié)題。從第6段第1句話Thenucleartransfer(核子移植)ofonespeciestoanotherisnoteasy,andthelackofavailable(capableofbeingused)pandaeggscouldbeamajorproblem可以做出正確判斷。3.C。主旨題。從文章內(nèi)容來(lái)看，無(wú)論是中國(guó)還是世界克隆熊貓還沒(méi)有成功，所以排除A、B項(xiàng)；D項(xiàng)內(nèi)容明顯與文章內(nèi)容不符，故排除。所以“探索克隆熊貓的可能性”應(yīng)該是這篇文章的標(biāo)題。4.D。判斷題。此題B項(xiàng)的干擾性較強(qiáng)，但由于它沒(méi)有說(shuō)明是Chinesescientists，所以應(yīng)排除。A、C項(xiàng)明顯與原文不符。根據(jù)文章第3段第1句可知答案非D莫屬。(2)Wantaglanceofthefutureofhealthcare?Takealookatthewaythevariousnetworksofpeopleaboutpatientcarearebeingconnectedtooneanother,andhowthisnewconnectivityisbeingexploitedtodelivermedicinetothepatient—nomatterwhereheorshemaybe.Onlinedoctorsofferingadvicebasedonnormalsymptoms(癥狀)arethemostobviousexample.Increasingly,however,remotediagnosis(遠(yuǎn)程診斷)willbebasedonrealphysiologicaldata(生理數(shù)據(jù))fromtheactualpatient.AgroupfromtheUniversityofKentuckyhasshownthatbyusingpersonaldataassistanceplusamobilephone,itisperfectlypracticaltosendapatient’simportantsignsoverthetelephone.Withthiskindofequipment,thecryaskingwhethertherewasadoctorinthehousecouldwellbeathingofthepast.Othermedicaltechnologygroupsareworkingonapplyingtelemedicinetorural(countryside)care.Andatleastoneteamwantstousetelemedicineasatoolfordisasterneed—especiallyafterearthquakes.Onthewhole,thetrendistowardsprovidingglobalaccesstomedicaldataandexperts’opinions.Butthereisoneproblem.Bandwidth(寬帶)isthelimitingfactorforsendingcomplex(復(fù)雜的)medicalpicturesaroundtheworld—CTphotosbeingoneofthebiggestbandwidthusers.Communicationsatellitesmaybeabletodealwiththeshort-termneedsduringdisasterssuchasearthquakesorwars.Butmedicineislookingtowardsboththesecond-generationInternetandthird-generationmobilephonesforthefutureofremotemedicalservice.Doctorshavemettodiscusscomputer-basedtoolsformedicaldiagnosis,trainingandtelemedicine.Withthefallingpriceofbroadbandcommunications,thenewtechnologiesshouldstartanewtimewhentelemedicineandthesharingofmedicalinformation,experts’opinionsanddiagnosisarecommon.1.Thewriterchieflytalksabout_______.A.theuseoftelemedicineB.theon-lineddoctorsC.medicalcareandtreatmentD.communicationimprovement2.Thebasisofremotediagnosiswillbe_______.A.personaldataassistanceB.somewordsofapatientC.realphysiologicalinformationD.medicalpicturesfromtheInternet3.Whichofthefollowingstatementsistrueaccordingtothetext？A.Patientsdon’tneeddoctorsinhospitalsanymore.B.Itisimpossibletosendapatient’ssignsoverthetelephone.C.Manyteamsusetelemedicinedealingwithdisastersnow.D.Broadbandcommunicationswillbecomecheaperinthefuture.4.The“problem”inthefourthparagraphreferstothefactthat_______.A.bandwidthisn’tbigenoughtosendcomplexmedicalpicturesB.thesecond-generationofInternethasnotbecomepopularyetC.communicationsatellitescanonlydealwithshort-termneedsD.thereisnotenoughequipmentforspreadingthemedicalcare【答案與解析】本文主要講述人們將來(lái)可以通過(guò)網(wǎng)上看病，醫(yī)生可以根據(jù)病人的生理數(shù)據(jù)做出遠(yuǎn)程診斷。隨著第二代因特網(wǎng)和第三代移動(dòng)手機(jī)為將來(lái)的遠(yuǎn)程醫(yī)療服務(wù)，尤其是寬帶網(wǎng)交流價(jià)格的下降，遠(yuǎn)程醫(yī)療和醫(yī)藥信息、專家意見(jiàn)和診斷共享將成為家常便飯。1.A。主旨題。第2段和第3段的內(nèi)容，可知最佳答案為A。2.C。細(xì)節(jié)題。從第2段第2句話中的…remotediagnosis(遠(yuǎn)程診斷)willbebasedonrealphysiologicaldata(生理數(shù)據(jù))fromtheactualpatient可以做出正確判斷。3.D。判斷題。網(wǎng)上可以看病并不就是說(shuō)病人去醫(yī)院不需要醫(yī)生，排除A項(xiàng)；通過(guò)電話發(fā)送病人的信息是可行的，排除B項(xiàng)；現(xiàn)在至少有一個(gè)醫(yī)療隊(duì)想用遠(yuǎn)程醫(yī)療來(lái)治療疾病，C項(xiàng)也不對(duì)；根據(jù)文章最后一句話Withthefallingpriceofbroadbandcommunications,thenewtechnologiesshouldstartanewtimewhentelemedicineandthesharingofmedicalinformation,experts’opinionsanddiagnosisarecommon可以肯定答案是D。4.A。推斷題。根據(jù)第4段第2句話Bandwidth(寬帶)isthelimitingfactorforsendingcomplex(復(fù)雜)medicalpicturesaroundtheworld—CTphotosbeingoneofthebiggestbandwidthusers可知答案為A。(3)ScientistsareuncoveringthesecretsoftwoportcitieslostunderthewatersoftheMediterraneanSea,aresearchersaidyesterday.HerakleionandMenouthiswererichandproudcitiesuntilsomethingreducedthemtorubble(碎石)andburiedtheminthemudbeneath30feetofseawater,FrenchunderwaterexplorerFranckGoddiosaidattheAmericanGeophysicalUnionconference.“Thisisamysterythatisongoing,”saidGoddio,afounderoftheEuropeanInstituteofMarineArcheology,aParis-basedunderwaterresearchorganizationbackedbythewealthyHiltiFoundationofLiechtenstein(列支敦士登基金會(huì)).ThedestructionofthetwinportcitieshashauntedGoddioeversincehehappeneduponthesiteabout15milesfromAlexandriawhileexploringsunkenshipsfromNapoleon’sfleet.Goddioandhisgroupofexpertdivers,marinearcheologists(海洋考古學(xué)家)andothers,areusinghighpoweredvacuums,satellitenavigationsystemsandsophisticatedsonar(聲納)toexcavate(挖掘)thesunkencitiesfromunderneathacarpetofsiltaboutonemeter(threefeet)high.Wallsofshops,remainsofstreetsandgoldartifactshavebeenfoundandrecovered.Someexpertsbelievethattheportcitiesweredestroyedbyaseriesofmassiveearthquakes,muchlikethequakesscientistsbelievefelledTroy(特洛伊城),Jerichoandotherancientcities.Theuniformdirectionofthecollapsedcolumnsandwallssuggestanearthquake,Goddiosaid,butnofaultlineshavebeenfoundnearby.Otherresearchersbelieveamassivewave,causedbyeitheranoffshoreearthquakeoradistantunderwaterlandslide,couldexplainthecatastrophe.StillothersthinkrisingseasandashiftintheNileRiveroutletdoomedthecities.“Theargument,asyoucansee,continues,”Goddiosaid.1.ThereasonwhythetwoportcitiesdisappearedunderthewatersofMediterraneanSeaisthat______.A.thetwoportcitiesweredestroyedbyhugeearthquakesB.thedisappearanceofthetwoportcitieswascausedbyunderwaterlandslideC.risingseasandashiftintheNileRiveroutletdoomedthecitiesD.thestorydidn’ttellusatall2.Fromthestorywecandrawaconclusionthat_______.A.thetwoportcitieswerefamousfortheirwealthandthemysteryB.thetwocitiesbelongedtoFranceC.somemysteriouscreaturesfromotherplanetsdestroyedthetwocitiesD.theAmericanGeophysicalUnionconferencewasonceheldinoneofthetwocities3.Thisarticleisprobablyfrom_______.A.ascientificmagazineB.areporttothegovernmentC.aschooltextbookD.ascientificreportinanewspaper(1—3DBD)【答案與解析】本文報(bào)道了人們對(duì)法國(guó)地中海中的兩座城市沉如海底的各種推測(cè)。1.D。推斷題。文章只對(duì)城市下沉的原因作了一些推測(cè)但未作出結(jié)論。由此可推知此題答案為D。2.B。推斷題。根據(jù)文章中所提到的與之相關(guān)的名稱，如：FrenchunderwaterexplorerFranckGoddio,aParis-basedunderwaterresearchorganization,Napoleon’sfleet可推知此題答案為B。3.D。推斷題。文章討論地中海中的兩座城市下沉的原因，顯然與地質(zhì)科學(xué)有關(guān)，故選D。注意不宜選A，一個(gè)顯然的因素是第1段中出現(xiàn)的yesterday。(4)Motherhoodmaymakewomensmarterandmayhelppreventdementia(癡呆)inoldagebybathingthebraininprotectivehormones(荷爾蒙),U.S.reseachersreportedonThursday.Testsonratsshowthatthosewhoraisetwoormorelittersofpupsdoconsiderablybetterintestsofmemoryandskillsthanratswhohavenobabies,andtheirbrainsshowchangesthatsuggesttheymaybeprotectedagainstdiseasessuchasAlzheimer’s(早老癡呆癥).UniversityofRichmondpsychologyprofessorCraigKinsleybelieveshisfindingswilltranslateintohumans.“Ourresearchshowsthatthehormonesofpregnancy(懷孕)areprotectingthebrain,includingestrogen(雌激素),whichweknowhasmanyneuroprotective(保護(hù)神經(jīng)的)effects,”Kinsleysaid.“It’sratdatabuthumansaremammalsjustliketheseanimalsaremammals,”headdedinatelephoneinterview.“Theygothroughpregnancyandhormonalchanges.”KinsleysaidhehopedpublichealthofficialsandresearcherswilllooktoseeifhavinghadchildrenprotectsawomanfromAlzheimer’sandotherformsofage-relatedbraindecline.“Whenpeoplethinkaboutpregnancy,theythinkaboutwhathappenstobabiesandthemotherfromtheneckdown,”saidKinsley,whopresentedhisfindingstotheannualmeetingoftheSocietyofNeuroscienceinOrlando,Florida.“Theydonotrealizethathormonesarewashingonthebrain.Ifyoulookatfemaleanimalswhohavenevergonethroughpregnancy,theyactdifferentlytowardyoung.Butifshegoesthroughpregnancy,shewillsacrificeherlifeforherinfant—thatisagreatchangeinherbehaviorthatshowedingeneticalterations(改變)tothebrain.”1.Howdoscientistsknow“Motherhoodmaymakewomensmarter”?A.Someresearchershavetoldthem.B.Manywomensayso.C.Theyknowitbyexperimentingonrats.D.Theyknowitthroughtheirownexperience.2.Whatdoesthephrase“l(fā)ittersofpups”meaninthesecondparagraph?A.Babyrats.B.Animals.C.Oldrats.D.Grown-uprats.3.Whatcanprotectthebrainofawomanaccordingtothepassage?A.Estrogen.B.Thehormonesofpregnancy.C.Moreexercise.D.Takingcareofchildren.4.“It’sratdatabuthumansaremammalsjustliketheseanimalsaremammals.”Whatdoesthesentencesuggest?A.Theexperimentsontheratshavenothingtodowithhumans.B.Theexperimentsontheratsareveryimportantforanimals.C.Theexperimentsontheratsaremuchthesameonhumans.D.Theexperimentsontheratsaremuchthesameonotheranimals.5.Whichtitleisthebestforthispassage?A.DoYouWanttoBeSmarter?B.MotherhoodMakesWomenSmarterC.MysteriousHormonesD.AnImportantStudy【答案與解析】本文介紹了一個(gè)觀點(diǎn)：母性特點(diǎn)能使婦女變得更加聰明靈敏。1.C。細(xì)節(jié)題。根據(jù)Testsonratsshow…可知科學(xué)家是通過(guò)做老鼠實(shí)驗(yàn)得出這個(gè)結(jié)論的。2.A。詞義猜測(cè)題。后面的對(duì)比whohavenobabies，實(shí)際上提供了一個(gè)相反的情況，所以我們可以推測(cè)thosewhoraisetwoormorelittersofpups中的littersofpups指的是“剛出生不久的小老鼠”。3.B。細(xì)節(jié)題。根據(jù)文章第3段中的…thehormonesofpregnancy(懷孕)areprotectingthebrain可得出答案。4.C。句意理解題?？茖W(xué)家通過(guò)用老鼠做實(shí)驗(yàn)來(lái)說(shuō)明人的問(wèn)題。因?yàn)槿撕屠鲜蠖紝儆诓溉閯?dòng)物，很多生理機(jī)能都相同。5.B。主旨題。短文第1句Motherhoodmaymakewomensmarter是主題句，據(jù)此我們可以得出答案。(5)Togetcashoutinthe21stcentury,youwon’tneedabankcard,aPIN(個(gè)人識(shí)別編號(hào))orevenhavetomoveafinger.Youwillsimplyhavetolookthecashmachinestraightintheeye,declaresNationalCashRegisters,amultinationalcompanythatmakesautomatedtellermachines,orATMs.NCRhasshownitsfirstexamplemachinethatisbelievedtobethefutureofbanking.InsteadofaskingyouforyourPINonascreen,theSuperTeller-Stellaforshort,asksyouorallythroughaloudspeakertolookstraightaheadwhileaninfraredcameraturnstoyourhead,thenyoureye,andfinallytakesaninfraredphotographofyouriris(虹膜).Foridentification(識(shí)別)purposes,anirispictureisbetterthanafingerprint,witharound256noticeablecharacteristicscomparedwith40forfingerprints.Thismeansthatthechancesofsomeoneelsebeingrecognizedinyourplaceisabout1in1020.Onceyou’vebeenidentified,Stellagreetsyoubynameandsays:“Wouldyoulikecashorastatement?”Aninfraredportallowsthemachinetosendabankstatementstraighttoyourpocketcomputer.1.Whatdoesthispassagemainlytalkabout?A.AnewmedicalinstrumentB.Anewtypeoftalkingmachine.C.Anewtypeofcashmachine.D.NationalCashRegister2.Whatisthisnewmachinecalled?A.StellaB.ATMC.PIND.NCR3.Whenyouwanttogetcashoutinthe21stcentury,youwill_______.A.needabankcardB.havetoputinyourPINC.moveyourfingerD.justlookdirectlyatthetellermachine【答案解析】本文介紹了自動(dòng)取款機(jī)的新型的識(shí)別儲(chǔ)戶方法。1.C。主旨題。閱讀全文可知本文介紹的是新型取款機(jī)的設(shè)計(jì)原理及工作方式，故選C。2.A。細(xì)節(jié)題。根據(jù)InsteadofaskingyouforyourPINonascreen,theSuperTeller-Stellaforshort,asksyouorally…及Onceyou’vebeenidentified,Stellagreetsyoubynameandsays…可知答案為A。3.D。細(xì)節(jié)題。根據(jù)Togetcashoutinthe21stcentury,youwon’tneedabankcard,aPINorevenhavetomoveafinger.Youwillsimplyhavetolookthecashmachinestraightintheeye,…可知僅僅徑直看著取款機(jī)就可以了，故選答案D。(6)Weatherchangeswhenthetemperatureandtheamountofwaterintheatmospherechange.Wecanseeandfeelwatercomingfromtheatmospherewhenwehaverain.Butthewatermustsomehowgetbacktotheatmosphere.Meteorologistscallthisthewatercycle.

Therearemanystagesinthewatercycle.Rainfallswhenwatervapourincloudscondenses(凝結(jié)).Dropsofwaterformandfalltotheground.Thewatersoaksintothegroundandfeedsstreamsandrivers.Alotofrainfallsintothesea.Theheatofthesunevaporatessomeofthewaterinthegroundandintherivers,lakes,andthesea.Itchangestheliquidwaterintowatervapour.Thevapourrisesontotheair.Watervapourisnormallyinvisible.Onaverydamporhumidday,however,youcansometimesseewatervapourrisingfromapuddle(水坑)orpondinamist(薄霧)abovethewater.Watervapouralsogetsintotheairfromlivingthings.Treesandotherplantstakeinwaterthroughtheirrootsandgiveoffwatervapourfromtheirleaves.Peopleandlandanimalsdrinkwaterandbreatheoutwatervapour.Inallthesewaysthewaterreturnstotheair.Thereitgatherstoformcloudsandcondensestoformrain.Therainfallstoearth,andthecyclestartsagain.Itcontinuesevenifsnoworhail(冰雹)fallinsteadbecausebotheventuallymelttoformwater.Theamountofwatervapourintheairdependsonthetemperature.Theairismoremoist(潮濕)inthetropics(熱帶)thaninthecoldpolarregions.1.Whatisthemainideaofthepassage?A.Watercycle.B.Watervapour.C.Howrainforms.D.Water,vapour,rain.2.Howmanywaysofthewaterreturningtotheairarediscussedinthetext?A.Two.B.Three.C.Four.D.Five.3.Whetherwatervapourcanbeseenornotdependson_______.A.howmuchwaterisevaporatedB.howgoodyoureyesareC.inwhichwaywaterisevaporatedD.climateorweather4.Fromthepassagewegettoknow_______.A.thereismorewatervapourintheairinthetropicsthanincoldpolarregionsB.thereismorewatervapourintheairincoldpolarregionthaninthetropicsC.itgetsmoreraininthetropicsthanincoldpolarregionsbecausethereislessvapourD.theamountofwatervapourintheairdependsonhowoftenitrains【答案與解析】本文闡述了水循環(huán)的全過(guò)程。1.A。主旨題。文章第1段，特別是最后一句Meteorologistscallthisthewatercycle.已點(diǎn)明主題。2.B。判斷題。讀完第2段，不難發(fā)現(xiàn)水返回空中的方式有3種：第1種是太陽(yáng)蒸發(fā)地面上的水使之變成水蒸氣返回空中；第2種是樹(shù)和植物釋放出的水蒸氣；第3種是人和動(dòng)物呼出的水蒸氣。3.D。語(yǔ)義理解題。從第2段第9句話Onaverydamporhumidday,however,youcansometimesseewatervapourrisingfromapuddle(水坑)orpondinamist(薄霧)abovethewater.可以找到為什么。4.A。判斷題。根據(jù)最后一句話Theairismoremoist(潮濕)inthetropics(熱帶)thaninthecoldpolarregions可知答案。(7)Technologyistheapplication(應(yīng)用)ofknowledgetoproduction.Thankstomoderntechnology,wehavebeenabletoincreasegreatlytheefficiencyofourworkforce.Newmachinesandnewmethodshavehelpedcutdowntimeandexpensewhileincreasingoveralloutput.Thishasmeantmoreproductionandahigherstandardofliving.FormostofusinAmerica,moderntechnologyisthoughtofasthereasonwhywecanhavecarsandtelevisionsets.However,technologyhasalsoincreasedtheamountoffoodavailabletous,bymeansofmodernfarmingmachineryandanimalbreedingtechniques,andhasextendedourlifespanvia(通過(guò))medicaltechnology.Willmankindcontinuetolivelongerandhaveahigherqualityoflife?Inlargemeasuretheanswerdependsontechnologyandourabilitytouseitwidely.Ifwekeepmakingprogressaswehaveoverthepastfiftyyears,theanswerisdefinitelyyes.Theadvancementoftechnologydependsuponresearchanddevelopment,andthelateststatistics(統(tǒng)計(jì))showthattheUnitedStatesiscontinuingtopumpbillionsofdollarsannually(每年)intosuchefforts.Sowhilewearerunningoutofsomescarceresources(少的資源)wemaywellfindtechnologicalsubstitutes(代用品)formanyofthemthroughourresearchprograms.Therefore,inthefinalanalysisthethreemajorfactorsofproduction(land,laborandcapital)areallinfluencedbytechnology.Whenweneednewskills,ontechniquesinmedicine,peoplewillstartdevelopingnewtechnologytomeetthoseneeds.Asequipmentprovestobesloworinefficient,newmachineswillbeinvented.Technologyrespondstoourneedsinhelpingusmaintainourstandardofliving.1.Whatisthebesttitleforthepassage?A.ThedefinitionoftechnologyB.ModerntechnologyC.TheapplicationoftechnologyD.Thedevelopmentoftechnology2.Whichisthemainideaofthepassage?A.Moderntechnologyisthekeytotheimprovementofstandardofliving.B.Thethreemajorfactorsofproduction(land,laborandcapital)areallinfluencedbytechnology.C.Technologyistheresponsetoourneeds.D.TheUnitedStatesismakinggreateffortstoadvanceitstechnology.3.Accordingtothepassage,peoplecanlivealonglifewiththehelpof_______.A.higherqualityoflifeB.medicaltechnologyC.modernfarmingmachineryD.technologicalsubstitute【答案與解析】“科學(xué)技術(shù)是生產(chǎn)力”是這篇文章的主題。1.B。主旨題。文章的主要筆墨是用在科學(xué)技術(shù)的作用上，所以答案應(yīng)選B。2.A。主旨題。文章最后一句Technologyrespondstoourneedsinhelpingusmaintainourstandardofliving就是主題句。3.B。判斷題。從文章第2段第2句話…theanswerdependsontechnologyandourabilitytouseitwidely可以肯定答案選B。(8)Spacetravelisdefinitelybadforastronauts’bones,reducingtheirbonedensity(密度)afteronlyamonthofweightlessness,accordingtoFrenchresearchpublishedonFriday.LaurenceVicoandhisfellowworkersatStEtienneUniversitycalledformoreresearchintotheeffectsofmicrogravity,aftertheirstudyof15astronautsfromtheRussianMIRstationshowedbonelosscontinuedthroughoutspaceflights.“Bonelosswasespeciallystrikinginfourastronauts,”thescientistsreportedintheLancetMedicalJournal.Theymeasuredthebonemineraldensity(BMD)ofbonesintheforearm(前臂)andlowerlegoftheastronautswhohadspentonetosixmonthsinspace.TheBMDlosswassignificantinthetibia(脛骨)ofthelowerleg,aweight-bearingbone,butbarelychangedintheradius(橈骨)oftheforearm.“Ourresultsindicatetheneedtoinvestigatenotonlydifferentbones,butalsodifferentareasofthesamebonesincenotallsitesoftheskeleton(骨架)aresimilarlyaffectedbyspaceconditions,”theyadded.Withoutgravitythebodyisn’tbearinganyweightsothereisnoneedforcalcium(鈣)whichmakesbonesstrong,anditbecomesemptyintothebloodstream.Theresearchteamsuggestedinfuturescientistsshouldtrytodetermineifthelossofbonedensitywasonlyonweight-bearingbonesonlongerflights,alsothepossiblerecoveryafterreturningtoEarth.1.FrenchscientistsdidtheirresearchonRussianastronauts,because_______.A.theyonlycaredfortheRussianastronautsB.theywerenotinterestedintheirownastronautsC.theRussiangovernmentinvitedthemtodotheirresearchD.theRussianastronautsworkedinspaceforalongtime2.Scientistshavefoundthat_______.A.theBMDlossmaycauseseriousillnesstoastronautsB.theBMDlossmaycausesomechangeinastronauts’bodiesC.astronautsshouldn’tcareabouttheBMDlossD.astronautsshouldtakesomecalciumbeforespacetravel3.WhatcausetheBMDlosstoastronauts,accordingtothispassage?A.Thefoodtheyeatinspace.B.Thedrinkstheytakeinspace.C.Thetemperatureinspace.D.Thegravityinspace.4.Inthethirdparagraph,theword“striking”means______.A.unusualB.simpleC.weakD.slow(1—4DBDA)【答案與解析】本文介紹了法國(guó)對(duì)太空宇航員長(zhǎng)期在太空飛行，會(huì)使骨里的密度減少而對(duì)骨不利的研究。1.D。細(xì)節(jié)題。根據(jù)文章第4段的定語(yǔ)從句whohadspentonetosixmonthsinspace可推知此題答案為D。2.B。細(xì)節(jié)題。根據(jù)文章第5段第1句TheBMDlosswassignificantinthetibia(脛骨)ofthelowerleg,aweight-bearingbone可推知此題答案為B。3.D。細(xì)節(jié)題。根據(jù)文章第6段Withoutgravity…所引起的結(jié)果，可推知此題答案為D。4.A。詞義猜測(cè)題。上文提到對(duì)十五人進(jìn)行研究表明在整個(gè)航行過(guò)程中骨損在繼續(xù)，下文再說(shuō)especiallystriking，可知是“特別明顯”的事，因此選A。(9)Somespidershuntonthe