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Asweapproachthe21stcentury,itisclearerthaneverthatscienceandtechnologyarechanggingthewayweliveandwork.Thebreakthroughsinbioengineeringsciencearehelpingtorevealthemysteriesoflife,holdingoutnewhopeforlif
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更新时间:2024-05-02 11:28:15
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Asweapproachthe21stcentury,itisclearerthaneverthatscienceandtechnologyarechanggingthewayweliveandwork.Thebreakthroughsinbioengineeringsciencearehelpingtorevealthemysteriesoflife,holdingoutnewhopeforlifesavingcurestosomeofourmostdreadeddiseases.

In1997,thegreatnewsshockedthewholeworldthattheBritishscientistscreatedalamb,namedDollyfromasinglecell.Miraculously,thecellhadbeentakenfromtheunderofanadultsheep,whichmarksthefirsttimeanadultanimalhadbeensuccessfullycloned.

Butitsooncausedworldwideconcernoveritsethical,social,andscientificimplications.Cloningisespeciallycontroversialbecauseitraisestheprospectof“making”humansgeneticallyidenficaltoanexistingmanorwoman.Somepeopleclaimattemptingtousethesecloningtechniquestoactuallycloneahumanbeingisuntestedandunsafeandmorallyunacceptable.

Howtolookuponthisnewtechnique?Whenitcomestoadiscoverylikecloning,wemustmovewithcaution,careanddeepconcernabouttheimpactofouractions.First,cloningshouldbegreatlyesteemedandgreatthanksshouldbegiventoitsinventors.Meanwhile,greateffortsshouldbemadetoplacethistechniqueunderstrictcontrol.Especiallyweshouldadoptadocumentagainsthumancloningsincepastexperiencetellsusanewinventionmaycausetroublesifitismisused.

60.Whatarechangingthewayweliveandwork?

A.Cloning. B.Lifesaving.


C.Scienceandtechnology. D.Themysteriesoflife.

61.Somepeopleclaimattemptingtousethesecloningtechniquestoactuallycloneahumanbeingis___________.

A.untested B.unsafe

C.morallyunacceptable D.aboveofall

62.Hows

陈洪涛回答:
  小题1:C小题2:D小题3:B小题4:B            
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