2019-2020年高中英语 Unit 2 Cloning III Using Language导学案 新人教版选修8

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1、2019-2020年高中英语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.________________

2、_弄清楚Step2Warmingup1.Doyouknowdinosaurs?Wherehaveyouseenthem?Canyouseetheminourreallife?Why?2.Doyouthinkitispossibletoclonedinosaurs?Ifyes,doyouthinkthat’sgoodforhumanbeings?Why?探究案Step3ReadingTask1:FastreadingDotheauthorbelievethedinosaurscanreturntotheearth?Task2:Carefu

3、lreadingGivesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanimals.Reason1:________________isneeded.Reason2:Thereisnotenough________inthegroupto_________________.Reason3:A(n)______________wouldbeneededfortheclonedextinctanimals.Task3.prehendingAnswerthefollo

4、wingquestions:1.Whyshouldn’tyoucloneanextinctanimalifthereisn’tenoughdiversityinthegroup?______________________________________________________________________________.2.Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?_________________________________________

5、________________________________.3.Whycan’tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?_________________________________________________________________________.训练案Task4Exploring1.Choosesynonyms（选择同义词）1.Itproveshowtheideastruckamixtureoffearandexcitem

6、entintopeople’shearts.A.HaveonthebrainB.ConfusedC.DrovedpeoplecrazyD.Scared2.Fromtimetotimepeoplesuggestthatextinctanimals…A.TherewasatimewhenB.OccasionallyC.AllthetimeD.Eachtime3.Peoplesuggestthatdinosaurs,canpossiblybebroughtbacktolife.A.KeptupB.resistC.liveonD.relived

7、4.TheinitialrequirementisthatyouneedperfectDNA.A.MostthankfulB.mostpressingC.mostdifficultD.originalandbasic5.Alleffortsofcloningananimalwillbeinvainifthereisnotenoughdiversity.A.GotowasteB.uselessC.helplessD.meaningless6.Otherswillpassontheabilitytoresistthatdisease.A.o

8、pposeB.slideC.hireD.indicate7.Thechanceofdinosaurseverreturningtotheearthismerelyadream.A.onlyB.surelyC