2019-2020年高中英语Unit2CloningPartIIReading学案新人教版选修

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1、2019-2020年高中英语Unit2CloningPartIIReading学案新人教版选修一、【学习目标】1.Learnaboutcloninganditshistory.2.Learntheuseofkeywordsandsentencestructuresinthetext.二、【自主预习】StepI:Pre-reading(lead-in)(1)Canyouseeanycloninghappeninourdailylife?(2)Whatbenefitscanhumansgainfromcloning?(3)Whatproblems

2、mayarisewhenhumansarecloned?StepII:Reading1.Skimthetextandmatchthetopicswitheachparagraph:Para1:A.Itisforbiddentoclonehumanbeings.Para2:B.TheproblemsofDolly.Para3:C.Whatiscloning?Para4:D.TheeffectofDolly.Para5:E.Cloninghastwomajoruses2.Scanthetextandchoosethebestanswers.(1)

3、Themainideaofthetextis_____.A.cloningisveryvaluableandcanbenefittheworld.B.cloningcouldbemisusedbybadpeoplesoitmustbeforbidden.C.cloningiswelldevelopedbecauseDollythesheepwasborn.D.cloningraisedargumentsandscientistsarenotsureaboutitsfuture.(2)ThecloningofDollythesheepsucce

4、ededbecause_____A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed(3)Whichofthefollowingisnotanadvantageofcloning?A.Cloningcanbeusedformedicalpurp

5、oses.B.Largequantitiesoffoodcanbeproducedbycloning.C.Cloningcanhelpkeepanimalsfrombeingextinct.D.Peoplecanclonethemselvesatwill.(4)Wecaninferfromthelastthreeparagraphsthat____.A.ThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Dolly’sseriousdiseaseandfinal

6、deathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Therewereargumentsaboutanimalscloningandconcernsaboutthefutureofcloning.(5)Itcanbeinferredfromthepassagethataclonedanimal_____.A.usuallylivesaslongastheoriginaloneB.usuallyliveslon

7、gerthantheoriginaloneC.usuallylivesshorterthantheoriginaloneD.isusuallyashealthyastheoriginalone(6)What’stheauthor’sattitudetowardscloning?A.negativeB.positiveC.neutralD.approval3.CarefulreadingProblemsordangersofcloningAdvantagesofcloningAnimalsmay_______________________of

8、olderanimals.Medicalcloningcould___________________forseriousdegenerative(变质的）__