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《高二英語(yǔ)（選修八）unit 2 using language.ppt》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、cloningPre-readingInpairsdiscusswhatyouunderstandaboutclothing.Thenlistthequestionsyouwanttofindout.Shareyourlistswithoneanother.1.Howisacloneproduced? 2.Whatbenefitscanhumansgainfromcloning? 3.Whatproblemsmayarisewhenhumansarecloned? 4.Shouldweclonehuman? 5.Couldcloningreplacesex
2、asthemeansofcreatingnewhumanlife? 6.Couldaparentcloneachildwhoisdyingofaterminalillness?FastReadingPleasereadthereadingin3minutstogetmainidea.主旨大意1.Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbid
3、denC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.Pleasereadthereadingagain,andtheningroups,finishthefollowingexercises.1.BlankfillingCloningIsa___ofmakinganexact____ofanotheranimalandplant.The______clo
4、nesRefertogardenerstaking_______fromplantstomakenewones,patsofaplanttakenandgrowninalaboratory,andtwins___________insexandappearanceproducedfromthesame_______egg.waycopyNaturalcuttingsOriginalidenticalConingHas___majoruses—toproduce______________quantitiesofplantsanddoresearchonne
5、wplantsspeciesand__________researchonanimals.CloninganimalsHasamore__________procedurethancloningplantsThecloningofDollythesheepIsthefirst_____________clone,andencouragesthescientificworldtofollowthe________2commercialmedicalcomplicatedsuccessfulprogress2.Whichofthefollowingstatem
6、entsaboutcloningisNOTtrueaccordingtotext?____Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.ADollyLivedfor___yearsaltogetheran
7、dsuccessfullygaveabirthtoa___Dolly’s__________Raisedastormof___________andhadagreatimpactonthemediaandpublic______TheeyesoftheworldWereopenedtothe___________ofusingclingingtocureseriousillnessesandevenproducinghuman_____6lambobjectionappearanceimaginationPossibilitybeings3.Theclon
8、ingofDollythesheepsucceededbecaus
