高中英语 unit 2 cloning iii using language导学案 新人教版选修8

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1、陕西省榆林育才中学高中英语Unit2CloningIIIUsingLanguage导学案新人教版选修8Step1Vocabulary：Previewthenewwordsandphrasesofthistext.1.___________使...刻骨铭心2.分娩3.不时；偶尔4.徒劳5.将某物传递给某人6._________________死于7._________________注定8.__________________过着...的生活9.____________________以...为基础10._________________弄清楚Step2Warmingup1.Doy

2、ouknowdinosaurs?Wherehaveyouseenthem?Canyouseetheminourreallife?Why?2.Doyouthinkitispossibletoclonedinosaurs?Ifyes,doyouthinkthat’sgoodforhumanbeings?Why?探究案Step3ReadingTask1:FastreadingDotheauthorbelievethedinosaurscanreturntotheearth?Task2:CarefulreadingGivesomereasonswhyitiseitherimpossibl

3、eorunsuitabletocloneextinctanimals.Reason1:________________isneeded.Reason2:Thereisnotenough________inthegroupto_________________.Reason3:A(n)______________wouldbeneededfortheclonedextinctanimals.Task3.ComprehendingAnswerthefollowingquestions:1.Whyshouldn’tyoucloneanextinctanimalifthereisn’te

4、noughdiversityinthegroup?______________________________________________________________________________.2.Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?_________________________________________________________________________.3.Whycan’tyouclonetheDNAofanimalsthathavebeenextinctl

5、ongerthan10,000years?_________________________________________________________________________.训练案Task4Exploring1.Choosesynonyms（选择同义词）1.Itproveshowtheideastruckamixtureoffearandexcitementintopeople’shearts.A.HaveonthebrainB.ConfusedC.DrovedpeoplecrazyD.Scared2.Fromtimetotimepeoplesuggestthat

6、extinctanimals…A.TherewasatimewhenB.OccasionallyC.AllthetimeD.Eachtime3.Peoplesuggestthatdinosaurs,canpossiblybebroughtbacktolife.A.KeptupB.resistC.liveonD.relived4.TheinitialrequirementisthatyouneedperfectDNA.A.MostthankfulB.mostpressingC.mostdifficultD.originalandbasic5.Alleffortsofcloninga

7、nanimalwillbeinvainifthereisnotenoughdiversity.A.GotowasteB.uselessC.helplessD.meaningless6.Otherswillpassontheabilitytoresistthatdisease.A.opposeB.slideC.hireD.indicate7.Thechanceofdinosaurseverreturningtotheearthismerelyadream.A.onlyB.surel