人教新课标版高二选修8 Unit2 Cloning-Reading ppt教学教案5.ppt

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1、cloningPre-readingInpairsdiscusswhatyouunderstandaboutclothing.Thenlistthequestionsyouwanttofindout.Shareyourlistswithoneanother.1.Howisacloneproduced?2.Whatbenefitscanhumansgainfromcloning?3.Whatproblemsmayarisewhenhumansarecloned?4.Shouldweclonehuman?5.Couldcloningr

2、eplacesexasthemeansofcreatingnewhumanlife?6.Couldaparentcloneachildwhoisdyingofaterminalillness?FastReadingPleasereadthereadingin3minutstogetmainidea.主旨大意1.Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeop

3、lesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.Pleasereadthereadingagain,andtheningroups,finishthefollowingexercises.1.BlankfillingCloningIsa___ofmakinganexact____ofanother

4、animalandplant.The______clonesRefertogardenerstaking_______fromplantstomakenewones,patsofaplanttakenandgrowninalaboratory,andtwins___________insexandappearanceproducedfromthesame_______egg.waycopyNaturalcuttingsOriginalidenticalConingHas___majoruses—toproduce_____________

5、_quantitiesofplantsanddoresearchonnewplantsspeciesand__________researchonanimals.CloninganimalsHasamore__________procedurethancloningplantsThecloningofDollythesheepIsthefirst_____________clone,andencouragesthescientificworldtofollowthe________2commercialmedicalcomplicated

6、successfulprogress2.WhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtotext?____Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmorediffic

7、ultthanplantcloning.ADollyLivedfor___yearsaltogetherandsuccessfullygaveabirthtoa___Dolly’s__________Raisedastormof___________andhadagreatimpactonthemediaandpublic______TheeyesoftheworldWereopenedtothe___________ofusingclingingtocureseriousillnessesandevenproducinghuman___

8、__6lambobjectionappearanceimaginationPossibilitybeings3.ThecloningofDollythesheepsucceededbecaus