高中英语 unit2 cloning导学案 新人教版选修8

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1、Unit2Cloning导学案学习目标：1.了解什么是克隆、克隆的利弊及对克隆技术的反思。2.掌握本单元教学目的和要求中的词汇和短语的用法。3.熟练掌握同位语的用法。4.进一步熟悉和运用有关接受与拒绝,表扬与鼓励的表达方式。课前预习I.Readthefirsttextandchoosethebestanswer.1.Itcanbeinferredfromthepassagethataclonedanimal_________.A.usuallylivesaslongastheoriginaloneB.usuallyliveslongerthantheoriginalone

2、C.usuallydiesearlierthantheoriginaloneD.isusuallyashealthyastheoriginalone2.ThecloningofDollythesheepsucceededbecause________.A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclo

3、nemammalsfailed3.Dollythesheep_________.A.lookedexactlylikethesheepthatprovidedtheeggB.wastheexactcopyofthesheepthatprovidedthenucleus.C.lookedlikethesheepthatgavebirthtoitD.hadthecharacteristicsofallthreesheep4.Wecanusetheskillofcloningto________.A.bringaboutglobalpeaceB.createotherfamou

4、sscientistsC.improvethedevelopmentoflearninglanguageD.curesomespecialdiseases5.Themainideaofthetextis_________.A.animalcloningisveryvaluableandcanbenefitthewouldB.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasbornD.animalclon

5、ingraisedargumentsandscientistsarenotsureaboutitsfutureII.Readthepassageandanswerthefollowingquestions.1.Whatarethetwomajorusesofcloning?________________________________________________________________________________________________________________________________________________________

6、____________2.WhydoChinaandtheUKnotforbidcloning?__________________________________________________________________________________II.Readthepassagecarefullyandfindoutthefollowingphrasesfromthepassage.1.得到好结果;取得成功;偿清__________________2.一方面,另一方面_______________________3.病重_________________4

7、.沮丧;不愉快_________________5.适合于…的；适当的_________________6.引起了一阵强烈的反对_________________7.对…有（或产生）巨大影响_________________8.（使人）长见识（或开眼界、认清事实）____________9.实现某人的野心_________________III.Analyzethesesentencesandtrytomemorizethem.1.①___________________________________________(接着传