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? ?阅读下面这篇短文,短文后有2项测试任务:(1)1~4题要求从所给的6个选项中为第 2~5段每段选择1个正确的小标题;(2)第5~8题要求从所给的6个选项中选择4个正确的选项,分别完成每个句子...
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{{*HTML*}}{{B}}第二篇{{/B}} ??Asinthefieldofspacetravelsoin underseaexplorationnewtechnologiescontinuetoappear.?Theysharea numberofsimilaritieswitheachother—aswellassomeimportant differences.??Mannedsubmersibles潜水器likespaceshipsmust maintainlivingconditionsinanunnaturalenvironment.Butwhileaspaceship mustsimplybesealedagainstthevacuumofspaceasubmersiblemustbeableto bearextremepressureifitisnottobreakupindeepwater.??In exploringspaceunmannedvehicleswereemployedbeforeastronauts.Inundersea explorationontheotherhandmenpavedthewayonlyrecentlyhaveunmanned remote-operatedvehiclesROVsbeenputtouse.??Onereasonfor thisisthatcommunicatingwithvehiclesinorbitismucheasierthantalkingto theseunderwater.Avacuumamidealmediumforradiocommunicationsbut underwatercommunicationsarelimitedtomuchslowersoundwaves.Thusmost underseavehicles—particularlyROVs—operateattheendoflongropes.? ?Forasimilarreasonknowingwhereyouareunderseaismuchmore difficultthaninspace.Aspaceship’spositioncanbelocatedbyfollowingits radiosignalorbyusingtelescopesandradar.Foranunderseavehicle howeveraspecialnetworkofsonar声纳mustbelaidoutinadvanceonthe ocean’floorintheareaofadivetolocatethevehicle’sposition.? ?Thoughunderseaexplorationismorechallengingthanouterspaceina numberofrespectsithasadistinctadvantage:Goingtotheoceandepths doesn’trequirethepowernecessarytoescapeEarth’sgravity.Thusitremains farlessexpensive.BymorechallengingPara.6theauthormeans______.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23~26题要求从所给的6个选项中为第1~4段每段选择1个正确的小标题2第27~30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}}?????????? ?????????Ford{{/B}}1 ?Ford’sgreatstrengthwasthemanufacturingprocess--notinvention.Long beforehestartedacarcompanyhewasaworkerknownforpickinguppiecesof metalandwireandturningthemintomachines.Hestartedputtingcarstogether in1891.AlthoughitwasbynomeansthefirstpopularautomobiletheModelT showedtheworldjusthowcreativeFordwasatcombiningtechnologyand market.2?Thecompany’sassemblylinealonethrewAmerica’sIndustrial Revolutionintooverdrive高速运转.Insteadofhavingworkersputtogetherthe entirecarFord’sfriendswhoweregreattoolmakersfromScotlandorganized teamsthataddedpartstoeachModelTasitmoveddownaline.Bythetime Ford’sHighlandParkplantwashumming嗡嗡作响alongin1914theworld’sfirst automaticconveyorbeltcouldturnoutacarevery93minutes.3?The sameyearHenryFordshockedtheworldwiththe$5-a-dayminimumwagescheme thegreatestcontributionhehadevermade.Theaveragewageintheauto industrythenwas$2.34fora9-hourshift.Fordnotonlydoubledthathealso tookanhourofftheworkday.Inthoseyearsitwasunthinkablethatamancould bepaidthatmuchfordoingsomethingthatdidn’tinvolveanawfullotof trainingoreducation.TheWallStreetJournalcalledtheplananeconomic crimeandcriticseverywherelaughedatFord.4?Butasthewage increasedlatertodaily$10itprovedacriticalcomponentofFord’sdreamto maketheautomobileaccessible可及的toall.Thecriticsweretoostupidto understandthatbecauseFordhadloweredhiscostspercarthehigherwages didn’tmatter--exceptformakingitpossibleformorepeopletobuycars.Paragraph2______
Weare{{U}}certain{{/U}}thathewillgetoverhisillness.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提供的是正确信息请选择A如果该句提供的是错误信息请选择 B如果该句的信息文章中没有提及请选择C {{B}}?????????? ????????NewProductWillSave lives{{/B}}??Drinkingwaterthatlookscleanmaystillcontainbugs 虫子whichcancauseillness.AsmallcompanycalledGeneraTechnologieshas producedatestingmethodinthreestageswhichshowswhetherwaterissafe. Thenewtestshowsifwaterneedschemicalsaddedtoittodestroyanything harmful.ItwasinventedbyscientistDrAdrianPattonwhostartedGenerafive yearsago.HeandhisemployeeshavedevelopedthetesttogetherwithaBritish watercompany.??AndyHeadland.Genera’smarketingdirector recentlypresentedthetestataconferenceintheUSAandforecastgood Americansalesforit.Generahasalreadysold11ofitstestsat$42500atime intheUKandhasafurtherfouronorder.Itexpectstosellanother25tests beforetheendofMarch.ThecompanysaysitistheonlytestintheUKtobe approvedbythegovernment.??Generawasformedfiveyearsagoand untilOctoberlastyearhadonlyfiveemployees;itnowemploys14.MrHeadland believesthatthecompanyshouldmakearound$19millionbytheendoftheyear intheUKalone.GeneraTechnologieshasdevelopedamethodthatdetermineswhetherwaterisclean.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
{{*HTML*}}阅读下面的短文文章中有5处空白文章后有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 ??Thesunisastar.{{U}}?46?{{/U}}Thatisbecauseit isnearus;buttheotherstarsarefaraway.Thesunshinesbecauseitisvery hotbutthemoonshinesbecauseitreflectsthesun’slight.’Itislikeabig mirror.Ifwevisitedthemoonweshouldseetheearth.{{U}}?47 ?{{/U}}.???Sometimestheearthmovesbetweenthesunand themoon.Thentheearth’sshadowfallsonthemoon;nolightfromthesuncan thenreachthemoon.Themoongetsdarkbecauseitcannotreflectthesun’s light.{{U}}?48?{{/U}}.??Doesthesunevergetdark duringthesay?Itdoessowhenthemoonhidesit.Sometimesthemoongoesin frontofthesun.Wecanwatchitsedgewhenitslowlycrossesthesun’sdisc. Everythinggetsdarkeranddarker;thenatlastwecannotseeanypartofthe sun’sdisc.Themoonishidingitcompletely.Thatisatotaleclipseofthe sun;sometimesonlypartofthesun’sdiscishidden;thatisnotatotal eclipse.{{U}}?49?{{/U}}.??{{U}}?50 ?{{/U}}TherewasatotaleclipseofthemoononJanuary92001.Thatevent wasvisiblefromEuropeAfricaandAsia.Therewereabout20totaleclipsesof thesunbetween1970and1999.ThelatestwasseenonJune21thisyearin AngolaZambiaZimbabweMozambiqueandMadagascar.??A. Eclipsesarenotseenineverypartoftheworld.??B.The earth’sshadowwasbeginningtomoveaway.??C.Wecallthisan eclipseofthemoon.??D.Itappearstobebiggerthananyother star.??E.Itisalsolikeamirroranditreflectsthelightof thesun.??F.Itisapartialeclipseofthesun.
{{*HTML*}}{{B}}第三篇{{/B}} ??Therearesomeearthphenomenayoucan countonbutthemagneticfieldsomesayisnotoneofthem.Itfluctuatesin strengthdriftsfromitsaxisandeveryfew100000yearsundergoesadramatic polarityreversal—aperiodwhennorthpolebecomessouthpoleandsouthpole becomesnorthpole.Buthowisthefieldgeneratedandwhyisitso unstable????GroundbreakingresearchbytwoFrench geophysicistspromisestoshedsomelightonthemystery.Using80metresof deepseasediment沉淀物coretheyhaveobtainedmeasurements?of magnetic-fieldintensitythatspan11polarityreversalsandfourmillionyears. Theanalysisrevealsthatintensityappearstofluctuatewithaclear well-definedrhythm.Althoughthestrengthofthemagneticfieldvaries irregularlyduringtheshortternthereseemstobeaninevitablelong-term declineprecedingeachpolarityreversal.Whenthepolesflip—aprocessthat takesseveralhundredthousandyears--themagneticfieldrapidlyregainsits strengthandthecycleisrepeated.??Theresultshavecauseda stiramonggeophysicists.Themagneticfieldisthoughttooriginate?from molten熔化的ironintheoutercore3000kilometersbeneaththeearth’s surface.?Bystudyingmineralgrainsfoundinmaterialrangingfromrocks toclayarticlespreviousresearchershavealreadybeenabletoidentify reversalsdatingback170millionyearsincludingthemostrecentswitch 730000yearsage.Howandwhytheyoccurhoweverhasbeenwidelydebated. Severaltheorieslinkpolarityflipstoexternaldisasterssuchasmeteor陨星 impacts.?ButPeterOlsonageophysicistattheJohnsHopkinsUniversity inBaltimoresaysthisisunlikelyiftheFrenchresearchersareright.In factOlsonsaysintensitythatpredictablydeclinesfromonereversaltothe nestcontradicts90percentofthemodelscurrentlyunderstudy.Iftheresults provetobevalidgeophysicistswillhaveanewtheorytoguidethemintheir questtounderstandtheearth’sinnerphysics.Itcertainlypointsthedirection forfutureresearch.InPeterOslo’sopiniontheFrenchexperiment______
{{*HTML*}}下面有3篇短文每篇短文后有5道题每题后面有4个选项请仔细阅读短文并根据短文回答其后面的问题从4个选项中选择1个最佳答案{{B}}第一篇{{/B}} ??AsDr.SamuelJohnsonsaidina differenteraaboutladiespreachingthesurprisingthingabutcomputersisnot thattheythinklesswellthanamanbutthattheythinkatall.Theearly electroniccomputerdidnothavemuchgoingforitexceptamarvelousmemoryand somegoodmathskills.But.todaythebestmodelscanbewireduptolearnby experiencefollowanargumentaskproperquestionsandwritepoetryandmusic. Theycanalsocarryonsomewhatpuzzlingconversations.? ?Computersimitatelife.Ascomputersgetmorecomplextheimitationgets better.Finallythelinebetweentheoriginalandthecopybecomesunclear.In another15yearsorsowewillseethecomputerasanewformof life.??Theopinionseemsridiculousbecauseforonething computerslackthedrivesandemotionsoflivingcreatures.Butdrivescanbe programmedintothecomputer’sbrainjustasnatureprogrammedthemintoour humanbrainsasapartoftheequipmentforsurvival.??Computers matchpeopleinsomerolesandwhenfastdecisionsareneededinacrisisthey oftensurpassthem.Havingevolvedwhenthepaceoflifewasslowerthehuman brainhasaninherentdefectthatpreventsitfromabsorbingseveralstreamsof informationsimultaneouslyandactingonthemquickly.Throwtoomanythingsat thebrainatonetimeanditfreezesup.??Wearestillin controlbutthecapabilitiesofcomputersareincreasingatafantasticrate whilerawhumanintelligenceischangingslowlyifatall.Computerpowerhas increasedtentimeseveryeightyearssince1946.Inthe1990swhenthesixth generationappearsthereasoningpowerofanintelligencebuiltoutofsilicon willbegintomatchthatofthehumanbrain.??Thatdoesnotmean theevolutionofintelligencehasendedontheearth.Judgingbythepastwe canexpectthatanewspecieswillariseoutofmansurpassinghisachievements ashehassurpassedthoseofhispredecessor.Onlyacarbonchemistryenthusiast wouldassumethatthenewspeciesmustbeman’sflesh-anti-blooddescendants. Thenewkindofintelligentlifeismorelikelytobemadeof silicon.Intermsofmakingdecisionsthehumanbraincannotbecomparedwiththecomputerbecause______.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23~26题要求从所给的6个选项中为第1~4段每段选择1个正确的小标题2第27~30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}}?????????? ?????????Ford{{/B}}1 ?Ford’sgreatstrengthwasthemanufacturingprocess--notinvention.Long beforehestartedacarcompanyhewasaworkerknownforpickinguppiecesof metalandwireandturningthemintomachines.Hestartedputtingcarstogether in1891.AlthoughitwasbynomeansthefirstpopularautomobiletheModelT showedtheworldjusthowcreativeFordwasatcombiningtechnologyand market.2?Thecompany’sassemblylinealonethrewAmerica’sIndustrial Revolutionintooverdrive高速运转.Insteadofhavingworkersputtogetherthe entirecarFord’sfriendswhoweregreattoolmakersfromScotlandorganized teamsthataddedpartstoeachModelTasitmoveddownaline.Bythetime Ford’sHighlandParkplantwashumming嗡嗡作响alongin1914theworld’sfirst automaticconveyorbeltcouldturnoutacarevery93minutes.3?The sameyearHenryFordshockedtheworldwiththe$5-a-dayminimumwagescheme thegreatestcontributionhehadevermade.Theaveragewageintheauto industrythenwas$2.34fora9-hourshift.Fordnotonlydoubledthathealso tookanhourofftheworkday.Inthoseyearsitwasunthinkablethatamancould bepaidthatmuchfordoingsomethingthatdidn’tinvolveanawfullotof trainingoreducation.TheWallStreetJournalcalledtheplananeconomic crimeandcriticseverywherelaughedatFord.4?Butasthewage increasedlatertodaily$10itprovedacriticalcomponentofFord’sdreamto maketheautomobileaccessible可及的toall.Thecriticsweretoostupidto understandthatbecauseFordhadloweredhiscostspercarthehigherwages didn’tmatter--exceptformakingitpossibleformorepeopletobuycars.Paragraph4______
{{U}}Enormous{{/U}}sumsofmoneyhavebeenspentonspaceexploration.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
Theirparentsoncelivedundervery{{U}}severe{{/U}}conditions.
{{*HTML*}}阅读下面的短文文章中有5处空白文章后有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 ??Thesunisastar.{{U}}?46?{{/U}}Thatisbecauseit isnearus;buttheotherstarsarefaraway.Thesunshinesbecauseitisvery hotbutthemoonshinesbecauseitreflectsthesun’slight.’Itislikeabig mirror.Ifwevisitedthemoonweshouldseetheearth.{{U}}?47 ?{{/U}}.???Sometimestheearthmovesbetweenthesunand themoon.Thentheearth’sshadowfallsonthemoon;nolightfromthesuncan thenreachthemoon.Themoongetsdarkbecauseitcannotreflectthesun’s light.{{U}}?48?{{/U}}.??Doesthesunevergetdark duringthesay?Itdoessowhenthemoonhidesit.Sometimesthemoongoesin frontofthesun.Wecanwatchitsedgewhenitslowlycrossesthesun’sdisc. Everythinggetsdarkeranddarker;thenatlastwecannotseeanypartofthe sun’sdisc.Themoonishidingitcompletely.Thatisatotaleclipseofthe sun;sometimesonlypartofthesun’sdiscishidden;thatisnotatotal eclipse.{{U}}?49?{{/U}}.??{{U}}?50 ?{{/U}}TherewasatotaleclipseofthemoononJanuary92001.Thatevent wasvisiblefromEuropeAfricaandAsia.Therewereabout20totaleclipsesof thesunbetween1970and1999.ThelatestwasseenonJune21thisyearin AngolaZambiaZimbabweMozambiqueandMadagascar.??A. Eclipsesarenotseenineverypartoftheworld.??B.The earth’sshadowwasbeginningtomoveaway.??C.Wecallthisan eclipseofthemoon.??D.Itappearstobebiggerthananyother star.??E.Itisalsolikeamirroranditreflectsthelightof thesun.??F.Itisapartialeclipseofthesun.
{{*HTML*}}下面有3篇短文每篇短文后有5道题每题后面有4个选项请仔细阅读短文并根据短文回答其后面的问题从4个选项中选择1个最佳答案{{B}}第一篇{{/B}} ??AsDr.SamuelJohnsonsaidina differenteraaboutladiespreachingthesurprisingthingabutcomputersisnot thattheythinklesswellthanamanbutthattheythinkatall.Theearly electroniccomputerdidnothavemuchgoingforitexceptamarvelousmemoryand somegoodmathskills.But.todaythebestmodelscanbewireduptolearnby experiencefollowanargumentaskproperquestionsandwritepoetryandmusic. Theycanalsocarryonsomewhatpuzzlingconversations.? ?Computersimitatelife.Ascomputersgetmorecomplextheimitationgets better.Finallythelinebetweentheoriginalandthecopybecomesunclear.In another15yearsorsowewillseethecomputerasanewformof life.??Theopinionseemsridiculousbecauseforonething computerslackthedrivesandemotionsoflivingcreatures.Butdrivescanbe programmedintothecomputer’sbrainjustasnatureprogrammedthemintoour humanbrainsasapartoftheequipmentforsurvival.??Computers matchpeopleinsomerolesandwhenfastdecisionsareneededinacrisisthey oftensurpassthem.Havingevolvedwhenthepaceoflifewasslowerthehuman brainhasaninherentdefectthatpreventsitfromabsorbingseveralstreamsof informationsimultaneouslyandactingonthemquickly.Throwtoomanythingsat thebrainatonetimeanditfreezesup.??Wearestillin controlbutthecapabilitiesofcomputersareincreasingatafantasticrate whilerawhumanintelligenceischangingslowlyifatall.Computerpowerhas increasedtentimeseveryeightyearssince1946.Inthe1990swhenthesixth generationappearsthereasoningpowerofanintelligencebuiltoutofsilicon willbegintomatchthatofthehumanbrain.??Thatdoesnotmean theevolutionofintelligencehasendedontheearth.Judgingbythepastwe canexpectthatanewspecieswillariseoutofmansurpassinghisachievements ashehassurpassedthoseofhispredecessor.Onlyacarbonchemistryenthusiast wouldassumethatthenewspeciesmustbeman’sflesh-anti-blooddescendants. Thenewkindofintelligentlifeismorelikelytobemadeof silicon.AccordingtothepassagewhichofthefollowingstatementsisTRUE?
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提供的是正确信息请选择A如果该句提供的是错误信息请选择 B如果该句的信息文章中没有提及请选择C {{B}}?????????? ????????NewProductWillSave lives{{/B}}??Drinkingwaterthatlookscleanmaystillcontainbugs 虫子whichcancauseillness.AsmallcompanycalledGeneraTechnologieshas producedatestingmethodinthreestageswhichshowswhetherwaterissafe. Thenewtestshowsifwaterneedschemicalsaddedtoittodestroyanything harmful.ItwasinventedbyscientistDrAdrianPattonwhostartedGenerafive yearsago.HeandhisemployeeshavedevelopedthetesttogetherwithaBritish watercompany.??AndyHeadland.Genera’smarketingdirector recentlypresentedthetestataconferenceintheUSAandforecastgood Americansalesforit.Generahasalreadysold11ofitstestsat$42500atime intheUKandhasafurtherfouronorder.Itexpectstosellanother25tests beforetheendofMarch.ThecompanysaysitistheonlytestintheUKtobe approvedbythegovernment.??Generawasformedfiveyearsagoand untilOctoberlastyearhadonlyfiveemployees;itnowemploys14.MrHeadland believesthatthecompanyshouldmakearound$19millionbytheendoftheyear intheUKalone.ThenewproducthasbeenacommercialsuccessintheUSA.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提供的是正确信息请选择A如果该句提供的是错误信息请选择 B如果该句的信息文章中没有提及请选择C {{B}}?????????? ????????NewProductWillSave lives{{/B}}??Drinkingwaterthatlookscleanmaystillcontainbugs 虫子whichcancauseillness.AsmallcompanycalledGeneraTechnologieshas producedatestingmethodinthreestageswhichshowswhetherwaterissafe. Thenewtestshowsifwaterneedschemicalsaddedtoittodestroyanything harmful.ItwasinventedbyscientistDrAdrianPattonwhostartedGenerafive yearsago.HeandhisemployeeshavedevelopedthetesttogetherwithaBritish watercompany.??AndyHeadland.Genera’smarketingdirector recentlypresentedthetestataconferenceintheUSAandforecastgood Americansalesforit.Generahasalreadysold11ofitstestsat$42500atime intheUKandhasafurtherfouronorder.Itexpectstosellanother25tests beforetheendofMarch.ThecompanysaysitistheonlytestintheUKtobe approvedbythegovernment.??Generawasformedfiveyearsagoand untilOctoberlastyearhadonlyfiveemployees;itnowemploys14.MrHeadland believesthatthecompanyshouldmakearound$19millionbytheendoftheyear intheUKalone.GeneraTechnologiesorders25moretestsbeforetheendoftheyear.
{{*HTML*}}{{B}}第三篇{{/B}} ??Therearesomeearthphenomenayoucan countonbutthemagneticfieldsomesayisnotoneofthem.Itfluctuatesin strengthdriftsfromitsaxisandeveryfew100000yearsundergoesadramatic polarityreversal—aperiodwhennorthpolebecomessouthpoleandsouthpole becomesnorthpole.Buthowisthefieldgeneratedandwhyisitso unstable????GroundbreakingresearchbytwoFrench geophysicistspromisestoshedsomelightonthemystery.Using80metresof deepseasediment沉淀物coretheyhaveobtainedmeasurements?of magnetic-fieldintensitythatspan11polarityreversalsandfourmillionyears. Theanalysisrevealsthatintensityappearstofluctuatewithaclear well-definedrhythm.Althoughthestrengthofthemagneticfieldvaries irregularlyduringtheshortternthereseemstobeaninevitablelong-term declineprecedingeachpolarityreversal.Whenthepolesflip—aprocessthat takesseveralhundredthousandyears--themagneticfieldrapidlyregainsits strengthandthecycleisrepeated.??Theresultshavecauseda stiramonggeophysicists.Themagneticfieldisthoughttooriginate?from molten熔化的ironintheoutercore3000kilometersbeneaththeearth’s surface.?Bystudyingmineralgrainsfoundinmaterialrangingfromrocks toclayarticlespreviousresearchershavealreadybeenabletoidentify reversalsdatingback170millionyearsincludingthemostrecentswitch 730000yearsage.Howandwhytheyoccurhoweverhasbeenwidelydebated. Severaltheorieslinkpolarityflipstoexternaldisasterssuchasmeteor陨星 impacts.?ButPeterOlsonageophysicistattheJohnsHopkinsUniversity inBaltimoresaysthisisunlikelyiftheFrenchresearchersareright.In factOlsonsaysintensitythatpredictablydeclinesfromonereversaltothe nestcontradicts90percentofthemodelscurrentlyunderstudy.Iftheresults provetobevalidgeophysicistswillhaveanewtheorytoguidethemintheir questtounderstandtheearth’sinnerphysics.Itcertainlypointsthedirection forfutureresearch.WhathavethetwoFrenchgeophysicistsdiscoveredintheirresearch?
{{*HTML*}}{{B}}第二篇{{/B}} ??Asinthefieldofspacetravelsoin underseaexplorationnewtechnologiescontinuetoappear.?Theysharea numberofsimilaritieswitheachother—aswellassomeimportant differences.??Mannedsubmersibles潜水器likespaceshipsmust maintainlivingconditionsinanunnaturalenvironment.Butwhileaspaceship mustsimplybesealedagainstthevacuumofspaceasubmersiblemustbeableto bearextremepressureifitisnottobreakupindeepwater.??In exploringspaceunmannedvehicleswereemployedbeforeastronauts.Inundersea explorationontheotherhandmenpavedthewayonlyrecentlyhaveunmanned remote-operatedvehiclesROVsbeenputtouse.??Onereasonfor thisisthatcommunicatingwithvehiclesinorbitismucheasierthantalkingto theseunderwater.Avacuumamidealmediumforradiocommunicationsbut underwatercommunicationsarelimitedtomuchslowersoundwaves.Thusmost underseavehicles—particularlyROVs—operateattheendoflongropes.? ?Forasimilarreasonknowingwhereyouareunderseaismuchmore difficultthaninspace.Aspaceship’spositioncanbelocatedbyfollowingits radiosignalorbyusingtelescopesandradar.Foranunderseavehicle howeveraspecialnetworkofsonar声纳mustbelaidoutinadvanceonthe ocean’floorintheareaofadivetolocatethevehicle’sposition.? ?Thoughunderseaexplorationismorechallengingthanouterspaceina numberofrespectsithasadistinctadvantage:Goingtotheoceandepths doesn’trequirethepowernecessarytoescapeEarth’sgravity.Thusitremains farlessexpensive.Thesonardevicesmustbeplaced______.
{{*HTML*}}? ?阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断如果该句提供的是正确信息请选择A如果该句提供的是错误信息请选择 B如果该句的信息文章中没有提及请选择C {{B}}?????????? ????????NewProductWillSave lives{{/B}}??Drinkingwaterthatlookscleanmaystillcontainbugs 虫子whichcancauseillness.AsmallcompanycalledGeneraTechnologieshas producedatestingmethodinthreestageswhichshowswhetherwaterissafe. Thenewtestshowsifwaterneedschemicalsaddedtoittodestroyanything harmful.ItwasinventedbyscientistDrAdrianPattonwhostartedGenerafive yearsago.HeandhisemployeeshavedevelopedthetesttogetherwithaBritish watercompany.??AndyHeadland.Genera’smarketingdirector recentlypresentedthetestataconferenceintheUSAandforecastgood Americansalesforit.Generahasalreadysold11ofitstestsat$42500atime intheUKandhasafurtherfouronorder.Itexpectstosellanother25tests beforetheendofMarch.ThecompanysaysitistheonlytestintheUKtobe approvedbythegovernment.??Generawasformedfiveyearsagoand untilOctoberlastyearhadonlyfiveemployees;itnowemploys14.MrHeadland believesthatthecompanyshouldmakearound$19millionbytheendoftheyear intheUKalone.Generahasincreasedthenumberofitsemployeesrecently.
{{*HTML*}}{{B}}第三篇{{/B}} ??Therearesomeearthphenomenayoucan countonbutthemagneticfieldsomesayisnotoneofthem.Itfluctuatesin strengthdriftsfromitsaxisandeveryfew100000yearsundergoesadramatic polarityreversal—aperiodwhennorthpolebecomessouthpoleandsouthpole becomesnorthpole.Buthowisthefieldgeneratedandwhyisitso unstable????GroundbreakingresearchbytwoFrench geophysicistspromisestoshedsomelightonthemystery.Using80metresof deepseasediment沉淀物coretheyhaveobtainedmeasurements?of magnetic-fieldintensitythatspan11polarityreversalsandfourmillionyears. Theanalysisrevealsthatintensityappearstofluctuatewithaclear well-definedrhythm.Althoughthestrengthofthemagneticfieldvaries irregularlyduringtheshortternthereseemstobeaninevitablelong-term declineprecedingeachpolarityreversal.Whenthepolesflip—aprocessthat takesseveralhundredthousandyears--themagneticfieldrapidlyregainsits strengthandthecycleisrepeated.??Theresultshavecauseda stiramonggeophysicists.Themagneticfieldisthoughttooriginate?from molten熔化的ironintheoutercore3000kilometersbeneaththeearth’s surface.?Bystudyingmineralgrainsfoundinmaterialrangingfromrocks toclayarticlespreviousresearchershavealreadybeenabletoidentify reversalsdatingback170millionyearsincludingthemostrecentswitch 730000yearsage.Howandwhytheyoccurhoweverhasbeenwidelydebated. Severaltheorieslinkpolarityflipstoexternaldisasterssuchasmeteor陨星 impacts.?ButPeterOlsonageophysicistattheJohnsHopkinsUniversity inBaltimoresaysthisisunlikelyiftheFrenchresearchersareright.In factOlsonsaysintensitythatpredictablydeclinesfromonereversaltothe nestcontradicts90percentofthemodelscurrentlyunderstudy.Iftheresults provetobevalidgeophysicistswillhaveanewtheorytoguidethemintheir questtounderstandtheearth’sinnerphysics.Itcertainlypointsthedirection forfutureresearch.Whichofthefollowingtitlesismostappropriatetothepassage?
Michaelisnow{{U}}merely{{/U}}agoodfriend.
Theresearchershavejust{{U}}completed{{/U}}astudyofdrivingsituations.
{{U}}While{{/U}}wedon'tagreewecontinuetobefriends.
{{*HTML*}}阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??In1980areportwaspublishedabout whattheearthmightbelike20yearsfromthen.Thereportwastheresultofa three-yearstudy.??Accordingtothereportthepictureofthe earthintheyear2000isnota{{U}}?51?{{/U}}one.Theworldwillbe morecrowdedbecausethe{{U}}?52?{{/U}}willcontinuetogrow.The population{{U}}?53?{{/U}}beaslargeas6300millionalmost2500 millionmorethanthatin1975.{{U}}?54?{{/U}}peoplewouldmoveinto citiesespeciallycitiesin{{U}}?55?{{/U}}countries.?Cities likeCairoandJakanta{{U}}?56?{{/U}}wouldeachhave15millionby ’then.Foodproductionwillincreasebutnotenoughtofeedallthepeople. Farmerswillgrow90%morefoodthantheydidin1975butmostoftheincrease wouldbeincountriesthatalreadyproduceenoughfoodfortheirpeople.{{U}} ?57?{{/U}}increaseisgrowninSouthAsiaAfricaandEuropean ?countries.Poorfarmingwaysare{{U}}?58?{{/U}}largeareasof croplandchangingfarmsintodeserts.Morefarmlandislost{{U}}?59 ?{{/U}}citiesbecomelargerandhousesarebuilt.Airpollutionwillget worseasindustrialcountries{{U}}?60?{{/U}}morecoalandoil.Much oftheworld’s{{U}}?61?{{/U}}coulddisappearasmoreandmoretrees arecutdown.Energywillcontinuetobea{{U}}?62?{{/U}}problem.The expertshopetheirpictureoftheearthfortheyear2000maybewrong.Measures mustbetakentochangethesituationthat{{U}}?63?{{/U}}today.By changingthesituationbysettingtheproblemsthepicturecanbechanged. Thereis{{U}}?64?{{/U}}timeforthenationsoftheworldtowork togetheronaplanofaction.Butthey{{U}}?65?{{/U}}thatwaitingtoo longtomakedecisionswouldgreatlyreducethechancesof success.
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