人教版英语必修五unit3同步练习Word格式.docx
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A.cheatingB.tocheatC.havingcheatedD.cheated
4.Thefemalebirdthemale’sbrightcolours.
A.lacksinB.lacksofC.lacksD.islacking
5.Peoplearenotallowedtoreadothers’letterswithoutpermission.
A.privateB.publicC.individualD.own
6.Shecaughthiseye.
A.inaninstantB.foraninstantC.inaminuteD.inamoment
7.Thetwinswereseparatedatbirthandbroughtupinentirelydifferent.
A.atmosphereB.environmentC.surroundingD.conditions
8.Thosewhotovotemustcometothemeeting.
A.demandB.requestC.requireD.desire
9.Newtechnologyisbeingalmosteveryindustrialprocess.
A.appliedforB.adjustedtoC.appliedtoD.adjustedin
10.Theparentssawofftheirsonuntiltheplane.
A.insightB.outofsightC.withinsightD.lostsight
11.Hethoughthehadlookedattheproblemfromevery.
A.wayB.meansC.sidesD.aspect
12.About500peoplehavebeentemporarilyhousedin103tentsinthecampusofamiddleschool
onahillonthenorthsideofZhouqu.
A.beingsituatedB.situatedC.situatingD.tobesituated
13.Thecompetition,withthesupportoftheWorldWideFundforNature(WWF),willnarrowdownthelistoffinaliststo12nextmonth.
A.runningB.torunC.havingrunningD.run
14.AmongthosebyForeignPolicyandothersasGates’potentialsuccessorareSecretaryofStateHillaryRodhamClinton.
A.namedB.tobenamedC.beingnamedD.toname
15.Inordernottobedisturbed,Ispentthreehoursinmystudy.
A.lockingB.lockedC.beinglockedD.tolock
Ⅳ.根据所给句子完成画线部分
1.AsIwasworriedaboutthejourney,Iwasunsettledforthefirstfewdays.
________________________,Iwasunsettledforthefirstfewdays.
2.Ifheweregivenenoughtime,hewouldhavefinishedthetestpaper.
____________________________,hewouldhavefinishedthetestpaper.
3.Becausesheisworriedaboutthemissingchild,shefindsitdifficulttogotoschoolthesedays.
__________________________________,shefindsitdifficulttogotoschoolthesedays.
4.Iwastakingupmyprizewhichwaswonlastyear.
Iwastakingupmyprize______________________________.
5.Tomorrowyouwillbereadyforsomeofthevisitswhichareorganizedbythecompany.
Tomorrowyouwillbereadyforsomeofthevisits__________________________________.
Ⅴ.根据汉语提示及重点词语将下列句子译成英语
1.复印这些文件用了一个早上的时间。
(takeup)
____________________________________________________________________________
2.他擅长于自己的工作,但有时似乎缺乏信心。
(lack)
3.简一进来就大哭起来。
(theinstant)
4.咽下食物之前要好好咀嚼。
(swallow)
5.他们泼水扑灭了大火。
(bydoingsth)
Ⅵ.完形填空
Somepeoplearecallingitthegreatestmedicalbreakthroughsofarthiscentury.SurgeonsinSpainhavesuccessfullycarriedouttheworld’sfirstorgantransplantusingnewstemcell(干细胞)technology.
But1arestemcells?
Mostcellsinourbodiesaredesignedto2specificpurposes—forexample,alivercelldevelopstoworkintheliverandcannotbecomeaheartcell.
Butstemcellsare3.Theyareveryyoung,andinthe4scientistscangrowthemintodifferenttypesofcell.
ClaudiaCastilloneededanewwindpipe(气管)aftercontractingtuberculosis.ScientistsfromtheUniversityofBristolintheUKtookadonorwindpipe,ortrachea,fromsomeonewhohad
5died.
Theyusedstrongchemicalstoremovethedonor’scells,leavingatissuescaffold.Thiswasrepopulated(重新构成)withcellsfromMsCastillo’swindpipeandnose,andstemcellsfromherbonemarrow.Afterfour6thecellshadgrownsufficientlyforthetracheatobetransplantedintoMsCastillo.
Currently,transplantpatientshavetotakedrugsfor7oftheirlivestopreventtheirbodiesrejectingthenew8.These9canhavebadside-effects,anddonotalwayspreventrejection.
ButbyusingMsCastillo’sowncells,10wereabletotrickherbodyinto11thenewtracheawasherownorgan.Fivemonthson,ClaudiaCastilloisin12health.
Thisground-breakingprocedurecouldbeusedinothertransplantoperationsinthefuture.Scientists13believestemcellsmightbeusedtotreatParkinson’sdisease,Alzheimer’sdisease,heartdisease,stroke,arthritis,diabetes,burnsandspinalcorddamage.
14,stemcellresearchisextremelycontroversial.Themosteffectivestemcellsdonotcomefromadultsbutfromembryoscreatedinlaboratoriesandwhicharejustafewdaysold.Manypeoplehavereligiousorethicalobjectionstogrowingembryos,15theycanbeusedtocurediseases.
1.A.whatB.whoC.whereD.why
2.A.giveB.offerC.takeD.serve
3.A.similarB.differentC.thesameD.new
4.A.officeB.laboratoryC.hospitalD.university
5.A.alreadyB.almostC.recentlyD.slowly
6.A.daysB.hoursC.monthsD.years
7.A.othersB.theotherC.therestD.parts
8.A.cellsB.partsC.lifeD.organs
9.A.medicineB.drugsC.operationsD.bodies
10.A.scientistsB.doctorsC.professors
D.transplantpatients
11.A.knowingB.thinkingC.realizingD.doubting
12.A.poorB.badC.perfectD.mental
13.A.alsoB.neverC.stillD.ever
14.A.ThereforeB.InsteadC.BesidesD.However
15.A.becauseB.asC.evenifD.if
Ⅶ.阅读理解,根据短文内容选择最佳答案
A
Manyyearsago,scientistsdiscoveredthataminoacids,afoundationalbuildingblockoflifeformsonearth,alsoexistinspace.Oneoftheprimarysourcesofthisknowledgeliesinnumeroustestsrunonmeteorites(陨星)thathavelandedonearth.Smalltracesofaminoacidshavebeenfound,againandagain,fromacountlessnumberofmeteorites.AnAmericanscientistandresearcher,SandraPizzarello,hasrecentlydiscoveredthattheaminoacidsfoundonearthsharethesamesimplestructureasaminoacidsfoundinouterspace.Thisdiscoveryoffersproofthatextraterrestrial(来自地球外的)lifecould,quiterealistically,resemblelifeonearth.
Manyyearsago,Pizzarelloandacolleagueconductedresearchonaminoacidsextracted(提取)fromameteoritethatlandedinAustraliain1969.Astheyanalyzedthematerial,theydiscoveredagreaternumberofacidsindicatingatendencytowards“left-handedness”over“right-handedness”.
FurtherevidencetosupportthesefindingscamefromtheanalysisofpristinemeteoritesfoundinAntarctica.ThefrozenconditionsofAntarcticaensurethatmeteoritesarepreservedandremainunaffectedbytheearth.Theseburiedmeteoritesareusuallydiscoveredduetoconstantmotionoftheice,whicheventuallybringstheobjectsbacktothesurface.
AccordingtoPizzarello,thisdiscoveryisimportantbecauseitshowsthatakeymolecular(分子的)trait(特征)thatdefineslifehereonearthappearstohavehadthesameeffectonthecosmiclineage(世系)oflifeinouterspace.Inotherwords,thefictionalimagesofaliensfrommoviesandpopulartelevisionshowssuchasStarTrekmightbemorerealisticthanweusedtothink.
Istherelifeonotherplanets?
Doaliensresemblehumanbeings?
Maybeoneday,withcontinuedscientificresearchandadvancementinspacetravelandresearch,wewillfindout.
1.Whatareaminoacids?
A.Abuildingmaterial.B.Achemical.
C.Alifeform.D.Abuildingblockoflifeforms.
2.Whichofthefollowingistrueaccordingtothepassage?
A.Ourknowledgeofaminoacidsfromouterspacehasbeengainedfromthetestsonmeteoritesthatlandedonearth.
B.ThemeteoritesfoundinAntarcticahadreamainedingoodconditionlargelybecausenoonelivesthere.
C.Theproducersofmoviesaboutaliensmusthavedoneresearchonaminoacidsfrommeteorites.
D.Theauthordoesn’tbelievethataliensmightexistinouterspace.
3.WhathasSandraPizzarellodiscoveredrecently?
A.Extraterrestriallifemustresemblelifeonearth.
B.Theaminoacidsfoundonearthsharethesamesimplestructureasaminoacidsfoundinouterspace.
C.Alotofacidsindicateatendencytowards“right-handedness”over“left-handedness”.
D.Akeymoleculartraithasthesameeffectonthecosmiclineageoflifeinouterspace.
4.WhathasmadethediscoveryoftheburiedmeteoritesinAntarcticapossible?
A.Continuedscientificresearch.
B.Advancementinspacetravelandresearch.
C.Theconstantmotionoftheiceeventuallybringstheobjectsbacktothesurface.
D.Thediscoveryofaminoacids.
5.Whatisprobablythebesttitleforthepassage?
A.AminoAcidsOfferProofofAlienLifeinOuterSpace
B.ThereIsLifeinOtherPlanets
C.ExtraterrestrialLifeResemblesLifeonEarth
D.SmallTracesofAminoAcidsHaveBeenFound
B
Onmyplanet,nobodyneedstodie.ItwasonlytenyearsagothatscientistshereonXerondevelopedtechnologytobringthedeadbacktolife.Thatdoessoundstrange,doesn’tit?
Butofcoursethesedead“people”arenotmadeoffleshandbloodbutcelluloid(假象牙)andcomputerchips.Thescientistsfoundthatbecauseourpopulationwasdecliningpeoplewerebecominglonglyintheirsmallsettlements.Sotheysettoworktosolvetheproblem.Aftertwentyye