高中英语 unit2 warming up & reading导学案 新人教版选修8

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1、U2CloningPeriod1Warmingup&Reading【学习目标和重难点】1.Todevelopreadingability.2.Topractisesomespecificreadingskills.3.Toknowsomethingaboutcloning.一、预习自学，探究问题Task1.WarmingupAsktheSstotalkaboutthefollowingquestions:1.Whatisaclone?2.Howisacloneproduced?Suggestansw

2、ers:1.Itisawayofmakinganexactcopyofanotheranimalandplant.2.Thishappensinplantswhengardenerstakecuttingsfromgrowingplantstomakenewones,andwhensmallpartsofaplantaretakenandgowninalaboratory.Italsohappensinanimalswhentwinsidenticalinsexandappearancearepro

3、ducedfromthesameoriginalegg.二、完成学案，提出问题Taks2.Readtheshortpassagesandchoosetherightansweraccordingtothetext.1.Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.anima

4、lcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.2..ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwi

5、thpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed3.Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.124.Wecaninferfromthelastthreeparagraphsthat___.ThenormaldevelopmentofDollyhadnoeffect

6、onthecloningofotherspecies.B.Dolly’sseriousdiseaseandfinaldeathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Therewereargumentsaboutanimalsaboutanimalcloningandconcernsaboutthefutureofcloning.1D2B3D4D三、合作探究,解决

7、问题Task3.Intensivereading(7ms)Readthepassageagain,thentrytofindthemainideaofeachparagraph.1.Cloningis______________________________2.Cloninghas____________uses.3.The_________ofDolly.4.The________ofDolly.5.Itis__________toclonehumanbeings.Suggestedanswer

8、s:1.awayofmakinganexactcopyofanotheranimalandplant.2.twomajor3.problems4.effect5.forbidden四、Discuss1.Inthesecondparagraph,theword“straightforward”means____.A.uncomplicatedB.honestC.frankD.difficult2,Whatisthewritingstyle?A.Expositive（说明