大学英语六级模拟Word下载.docx
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大学英语六级模拟Word下载.docx
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考试结束,监考员收卷后考生才可离开。
三、
仔细读懂题目的说明。
四、
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选定答案后,用铅笔在相应字母的中部划一条横线。
正确方法是:
[A][B][C][D]。
五、
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六、
试题的第四部分改错(ErrorCorrection)和第五部分作文(Writing)印刷在答题卡上,请用黑色字迹签字笔在答题卡上作答。
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在90分钟内做完试题的第一至第四部分。
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PartI
Writing(30minutes)
注意:
此部分试题在答题卡1上。
Directions:
Forthispart,youareallowed30minutestowriteashortessayentitledStudyingAbroad.Youshouldwriteatleast150wordsbasedonthechartandoutlinegivenbelow:
1.
近几年来选择出国留学的人越来越多,理由是……
2.
也有人持不同意见,……
3.
我的看法和打算
PartⅡ
ReadingComprehension(SkimmingandScanning)(15minutes)
Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.
Theworldwasstunnedbythenewsinthesummerof1995,whenaBritishembryologistnamedIanWilmut,andhisresearchteam,successfullyclonedDollythesheepusingthetechniqueofnucleartransfer.ReplacingtheDNAofonesheep’seggwiththeDNAofanothersheep’stheteamcreatedDolly.Plantsandlowerformsofanimallifehavebeensuccessfullyclonedformanyyears,butbeforeWilmut’sannouncement,ithadbeenthoughtbymanytobeunlikelythatsuchaprocedurecouldbeperformedonlargermammalsandlifeforms.Theworldmediawasimmediatelyfilledwithheateddiscussionsabouttheethicalimplicationsofcloning.
Someofthemostpowerfulpeopleintheworldhavefeltcompelledtoactagainstthisthreat.PresidentClintonswiftlyimposedabanonfederalfundingforhuman-cloningresearch.BillswereputintheworksinbothhousesofCongresstooutlawhumancloningbecauseitwasdeemedasafundamentallyevilthingthatmustbestopped.Butwhat,exactly,isbadaboutit?
Fromanethicalpointofview,itisdifficulttoseeexactlywhatiswrongwithcloninghumanbeings.Thepeoplewhoareafraidofcloningtendtoassumethatsomeonewould,forexample,breakintoNapoleon’sTomb,stealsomeDNAandmakeabunchofemperors.Inreality,infertilepeoplewhousedonatedsperm,eggs,orembryoswouldprobablyusecloning.Dothepotentialharmsoutweighthebenefitsofcloning?
Fromwhatweknownow,theydon’t.Therefore,weshouldnotrushplacingabanonapotentiallyusefulmethodofhelpinginfertile,geneticallyat-risk,homosexual,orsinglepeopletobecomeparents.
Dohumanbeingshavearighttoreproduce?
Noonehasthemoralrighttotellanotherpersonthattheyshouldnotbeabletohavechildren,andIdon’tseewhyBillClintonhasthatrighteither.Ifhumanshavearighttoreproduce,whatrightdoessocietyhavetolimitthemeans?
Essentiallyallreproductiondonethesedaysiswithmedicalhelpatdelivery,andevenbefore.Trulynaturalhumanreproductionwouldmakepregnancy-relateddeaththenumberonekillerofadultwomen.
Someformsofmedicalhelparemoreinvasivethanothers.Within-vitrofertilization,thespermandeggarecombinedinalabandsurgicallyimplantedinthewomb.Lessthantwodecadesago,asimilarconcernwasraisedovertheethicalissuesinvolving“test-tubebabies”.Today,nearly30,000suchbabieshavebeenbornintheUnitedStatesalone.Thismiraclehasmademanyparentshappy.Sowhatprinciplesaysthatonecombinationofgeneticmaterialinaflaskisacceptable,butnotanother?
Natureclonespeopleallthetime.Approximatelyonein1000birthsisanidenticaltwin.However,despitehowmanyorhowfewindividualcharacteristicstwinshaveincommon,theyarestilldifferentpeople.Theyhavetheirownidentities,theirownthoughts,andtheirownrights.Theyenterdifferentoccupations,getdifferentdiseases,andhavedifferentexperienceswithmarriage,alcohol,communityleadership,etc.Twinshavedifferentpersonalitiesaswouldclonedindividuals.EvenifsomeoneclonedseveralNapoleons,eachwouldbedifferentandevenmoreuniquethantwins;
theclonedchildwouldberaisedinadifferentsetting.Therefore,cloningdoesnotrobindividualsoftheirpersonality.
Perhapsthestrongestethicalargumentagainstcloningisthatitcouldleadtoanew,unfamiliartypeoffamilyrelationship.Wehavenoideawhatitwouldbeliketogrowupasthechildofparentswhoseemtoknowyoufromtheinside.Somepsychologicalcharacteristicsmaybebiologically,orgenetically,based.Theparentwouldknowinadvancewhatcrisesaclonedteenagercouldgothroughandhowheorshewillrespond.Becausetheparentsmayunderstandwhatthechildisgoingthrough,togreaterdegreethanmostparents,itmayproduceagoodandlovingrelationshipinthelongrun.Ontheotherhand,mostchildrenwanttohavetheirownspace.Simplybecauseafamilyrelationshipisnewanduntriedisnoreasontoautomaticallycondemnit.Inthepast,manytypesoffamilyrelationshipswereconsideredharmful,butlatershowedtocausenoharmtothechildren.Amongtheseisjointcustodyafterdivorce,gayandlesbianparenting,andinterracialadoption.Aswithadoption,in-vitrofertilization,andtheuseofdonorsperm,howthechildwillreacttothenewsabouthisorherarrivalinthisworldwilldependonhowtheparentsfeelabouttheirmodeofreproduction.Parentsandchildrenmayadjusttocloningfarmoreeasilythanwemightthink,justasithappenedwithin-vitrofertilization.
Onerecurringimageinanti-cloningpropagandaisofsomeevildictatorraisinganarmyofclonedwarriors.Butwhoisgoingtoraisesuchanarmy.Clonesstartoutlifeasbabies.Itismucheasiertorecruityoungadultsthantotakecareofbabiesfortwentyyears.Rememberthatcloningisn’tthesameasgeneticengineering.Noonecanmakeanothersupermanandhissuperpowersmighthaveaslimchanceofbeinggeneticallydetermined,butnothingiscertain.
SomemightthinkthatcloningisplayingGod.However,canyoureallysaythatyouknowGod’sintentions?
ThereissubstantialdisagreementastowhatGod’swillis.Armstrongwrote,aoyonewhohastrulyprovedthatGodexists,thatGodisn’tonlyCreator,butLife-giver,Designer,Sustainer,andRuleroverallhiscreation,knowsthatthehumanfamilybeganwithoneman,andthattogetherwithhimawife,miraculouslycreatedfromhisownbodyandasuniqueandoriginalacreationasAdamhimself,formedthefirstfamily.ThoughGod’smiraculouscreationofEvewasfarfromcloning,itisinterestingtonoteinpassingthatGod’sownWordsaysHeusedAdam’srib-physicalboneandtissue-tocreateEve.?
Anotherargumentagainstcloningisthatitwouldonlybeavailabletothewealthyand,therefore,wouldincreasesocialinequality.Whatelseisnew?
ThisisthestoryofAmericanhealthcare.Weneedabetterhealthcaresystem,notabanonnewtechnologies.Hopefullyournewpresidentwillhelpuswiththisproblemaswell.
TheU.S.FederalGovernmentshouldnotdeemhumancloningandcloningresearchillegal.Itmayprovideawayforcompletelysterileorhomosexualindividualstoreproduce,andwillprobablyprovidevaluablebasicresearchandpossiblespin-offtechnologiesrelatedtoreproductionanddevelopment.Oursocietyhasrespectedgeneralrightstocontrolone’sbodyregardingreproduction,andfinallyprohibitingitwouldviolatethefundamentalfreedomofscientificinquiring.
Willhumancloningbedone?
Undoubtedly.Thetechniqueusedinsheepcloningdoesnotrequireahighlysophisticatedlaboratory.SincetheUnitedStatesgovernmentdoesnotsupportresearchonhumancloning,andtheUnitedKingdom,France,andGermanyhavebannedit,theresearchmakingcloningpossiblemaytakeplaceinAsia,EasternEurope,ortheEast.Muchcloningmayalsotakeplaceinsecret,andwilloccurregardlessofUnitedStatespolicies.ApproximatelyeightypercentofAmericansfeelthatcloningiswrong.However,thevastmajorityofpeople,includingthosewhorailagainstcloningresearch,owetheirlivestopreviousmedicaldiscoveries.Don’tlettheforcesofignoranceandfearturnusawayfromnewtypesofresearch.
1.
WhatkindofcloninghadbeenpracticedformanyyearsbythetimeofDollywascloned?
A)Cloninglargemammalsandlifeforms
C)Cloningplantsandlargemammals
B)CloningplantsandlowerformsoflifeD)Cloningallkindsoflifeforms
2.
Howmuchdoweknowaboutthepotentialharmaboutcloning?
A)Allofharms
C)80percent
B)AboutHalf
D)Asmallportion
3.
Whatmakepregnancy-relateddeathtobethenumberonekillerofadultwomen?
A)Trulynaturalhumanreproduction
C)Allreproductionprocess
B)Cloning
D)Medicaltherapy
4.
Howlongwasthe“test-tubebabies”practicedinourworld?
A)Onehundredyears
C)Lessthantwodecades
B)Fiftyyears
D)Morethantwodecades
5.
Within-vitrofertilization,whatarecombinedinalabandsurgicallyimplantedinthewomb?
A)thespermandegg
C)thegeneoftwins
B)clonedgene
D)geneticalembryo
6.
Inthelongrun,producingagoodandlovingrelationshipby____.
A)theparentsunderstandingofwhatthechildisgoingthrough
B)theparents’goodpersonaliy
C)theclonedchilds’character
D)theclonedchilds’responses
7.
Comparedwithcloninghumanandbringingthemupasanarmy,itwouldbemuchcheaperto____.
A)recruityoungadults
C)recruitclonedwarriors
B)recruitclonedpeople
D)r
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