2019-2020年高中英语必修5Unit3Scienceversusnature-Reading(I)

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1、2019-2020年高中英语必修5Unit3Scienceversusnature-Reading(I)Teachingobjectives:1.Toreinforcestudents’prehensionofthetextandimprovetheirotherskillsbyparticipatinginalltheactivities.2.Tohelpstudentsknowthewidespreaddiscussionaboutcloningandholdtheirownattitudestowardsit.3.Toenablestudent

2、stomasterthereadingstrategyandbeemorepetentinreadingarticlesrelatedtoscience.Teachingfocusanddifficulties:1.Studentscanworkoutthemeaningofdifficultorunfamiliarscientifictermswithreadingstrategy.2.Studentscanholdtheirownopinionsonthebaseofreadingthearticle.Teachingaids:Themultim

3、ediaBriefteachingprocedures:Step1Lead-inCheckthehomework.Encouragestudentstosharetheirsourcesrelevanttocloningtechnologywiththewholeclass.Tellstudentsthatcloninghasbeenthesubjectofscientificexperimentsforyears.Therecentsuccessincloninganimalshasresultedinfiercedebatesbetweensci

4、entists,politiciansandpublic.Step2ReadingstrategyGetstudentstogothroughthereadingstrategy,andmakesurethateveryoneofthemunderstandshowtoworkoutthemeaningofthesescientificterms.Step1Beginbyreadingthefirstandlastparagraphsforanideaofwhatthearticleisabout.Step2Circleanywordsyoudono

5、tnow.Questionthingsyoudonotunderstandorthatdonotappeartomakesense.Step3Readthroughthearticleafewtimes,andmakesenseofthescientifictermsuponfurtherreadings.Step3Firstreading—MainideaAskstudentstorefertothereadingpassageandfindoutthemainidea.(Thereadingpassageismadeupofanewspapera

6、rticleaboutcloningandtworeaders’letters.Wewillbegiveninformationabouthowcloningisbeingresearchedandthedifferentattitudestowardsit.)Step4Secondreading—UnderstandingscientifictermsAskstudentstocircletheunfamiliarwordsorthingstheydonotunderstandwhilesecondreading.(Forexample:embry

7、o,tissuesandorgans,interferewithnature,etc)Step5Thirdreading—DetailedinformationAskstudentstoreadonlythearticlecarefully,andfinishthefollowingexercises:1.Whatarethedifferentattitudestowardsthesuccessofcloningahumanembryo?Ontheonehand(valuabletissuesandorganscanbeproducedandbeus

8、edtosavehumanlives)Ontheotherhand(humanbeingsmaybeonth