人教版英语必修五unit3同步练习.docx

人教版英语必修五unit3同步练习.docx

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人教版英语必修五unit3同步练习

人教版英语必修五-unit3-同步练习

Unit3Lifeinthefuture

Ⅲ.单项选择，从A、B、C、D四个选项中，选择最佳答案完成句子

1.organizersrepeatedlyappealingtosmokerstoallowExpotobesmoke-freeevent,smokersareinnomoodtocooperate.

A.Despite;aB.Inspite;aC.Although;aD.Inspiteof;/

2.Heisgoingtothestorywhereheleftoveryesterday.

A.takeupB.takeoffC.takeawayD.takein

3.Wesimplycannottolerateinexam.

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.Sotheysettoworktosolvethe