湖北省宜昌市高中英语unit2cloningpartiireading学案（无答案）新人教版选修8

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1、Unit1WomenofachievementPartIIReading一、【学习目标】1・Learnaboutcloninganditshistory・2.Learntheuseofkeywordsandsentencestructuresinthetext.二、【自主预习】StepI:Pre-reading(lead-in)(1)Canyouseeanycloninghappeninourdailylife?(2)Whatbenefitscanhumansgainfromcloning?(3)Whatproblemsmayarisewhenhumansarecioned?Step

2、II:ReadingSkimthetextandmatchthetopicswitheachparagraph:Paral:A・Itisforbiddentoclonehumanbeings.Para2:B.TheproblemsofDolly.Para3:C.Whatiscloning?Parad:D.TheeffectofDolly.Para5:E.Cloninghastwomajoruses2・Seanthetextandchoosethebestanswers・(1)Themainideaofthetextis・A.cloningisveryvaluableandcanben

3、efittheworld.B.cloningcouldbemisusedbybadpeoplesoitmustbeforbidden.C・cloningiswelldevelopedbecauseDollythesheepwasborn・D・cloningraisedargumentsandscientistsarenotsureaboutitsfuture・(2)ThecioningofDollythesheepsucceededbecauseA.it'seasiertocloneasheepthanotheranimalsB.thescientistsweredetermined

4、andworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD・manyotherattemptstoclonemammalsfailed(3)Whichofthefollowingisnotanadvantageofcioning?A.Cloningcanbeusedformedicalpurposes.B.Largequantitiesoffoodcanbeproducedbycloning.C.Cloningcanhelpkeepanimalsfrombecomingextinet.D・Peop1ec

5、anclonethemselvesatwill.(4)Wecaninferfromthelastthreeparagraphsthat.A.ThenormaldevelopmentofDoi1yhadnoeffectonthecloningofotherspecies-B.Dolly"sseriousdiseaseandfinaldeathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists・D・Therewereargunientsaboutanimalsclon

6、ingandconcernsaboutthefutureofcloning・(5)Itcanbeinferredfromthepassagethataclonedanimal.A.usuallylivesaslongastheoriginaloneB.usuallyliveslongerthantheoriginaloneC・usuallylivesshorterthantheoriginaloneD・isusuallyashealthyastheorigineilone(1)Whatstheauthor"sattitudetowardscloning?A.negativeB.pos

7、itiveC.neutralD.approval3.CarefulreadingProblemsordangersofcloningAdvantagesofcloningAnimalsmayofolderanimals.Medicalc1oningcou1dforseriousdegenerative(变质的)inhumans.AnimalclonesmaythanthedonoranimaIs・Cloningplantscanofsimi1ar■mayC