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Unit2CloningTheFirstPeriodwarmingupAims1.Talkaboutcloning2.PracticeexpressingandsupportinganopinionContentsTaskone:LookingandspeakingInpairs,lookatthepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.A.DollythesheepB.AstrawberryplantC.TwinsD.IdenticaldogsTasktwo:QuestionsaboutcloningWhatisaclone?Howisacloneproduced?Whatbenefitscanhumansgainfromcloning?Whatproblemsmayarisewhenhumansarecloned?Taskthree:FreetalkInpairs,discusswhatyouunderstandaboutcloning,thenlistthequestionsyouwanttofindout.Shareyourlistswithoneanother.1.Shouldweclonehuman?2.Couldcloningreplacesexasthemeansofcreatingnewhumanlife?3.Couldaparentcloneachildwhoisdyingofaterminalillness?TheSecondPeriodReadingAims:1.HelptheSstoknowhowtodescribecloningandhowtocatchthedetailsofthetext.2.ActivatetheSstoshowtheiropinionsaboutthecloningandenabletheSstowriteandarticleonthisdebate.Contents:Leadinginbyrevision.Taskone:FastreadingWhatisaclone?Showthefollowing.1.Cloningmeansmakingacopyofananimaloraplant.(F.exact…another)2.Gardenerscanmakealotofmoneybycloningplants.(T.)3.Cloninganimalsisascomplicatedascloningplants.(F.morethan)4.Dollythesheepwasthefirstsuccessfulcloneofamammal.(T.)5.Naturalcloneshappeninanimalsaswellasinplants.(T)Tasktwo:CarefulreadingReadthetextagain,trytoanswerthefollowingquestionsandfindoutthemainideaofeachparagraph.Questions:1.What’sthemainideaofthetext?2.Howmanyyearsdidthesheepthatdonatedthesomaticcellmostprobablylive?3.WhydidtheCloningofDollythesheepsucceed?4.Whatdoestheword‘straightforward’meaninthesecondparagraph?5.Whatisthewriter’sattitudetowardcloninginthispassage?Themainideaofeachparagraph:Para.1Cloningisawayofmakingancopyofanotheranimalandplant.Para.2Cloninghastwomajoruses.Para.3TheproblemsofDolly.Para.4TheeffectofDolly.Para.5Itisforbiddentoclonehumanbeing.Taskthree:Notesfordebating:Shouldweusecloning?Argumentforcloning:CloningwillbebeneficialtohumansWecouldusecloningtocureillnesses.Argumentsagainstcloning:healthyrisksformmutationofgenesemotionalrisksagainstnatureriskofabuseofthetechnologyClonedanimalsgetillanddiequiteyoung;TheThirdPeriodLanguagePointsAims:1.EnabletheSstograspthewordsofcloning.GettheSstomastersomeusefulexpressions.Contents:1.differv.1)“Tobedissimilarorunlikeinnature,quality,amount,orform”eg：Ambitiondiffersfromgreed.2)“Tobeofadifferentopinion;disagree”eg：Thecriticdifferedwiththeauthoronseveralfacts.2.exactadj.“Strictlyandcompletelyinaccordwithfact;notdeviatingfromtruthorreality”eg：anexactaccount;anexactreplica;yourexactwords.3.commercialadj.1)“Oforrelatingtocommerce”2)“Engagedincommerce’eg：acommercialloan;acommercialattaché;acommercialtrucker.4.straightforwardadj.1)“honest’2)“easytounderstand”eg:a~explanation;writtenin~language;a~probleminalgebra5.proceduren.1)‘Amannerofproceeding;awayofperformingoreffectingsomething’eg：complainedtothemanager,andbythisproceduregotthemoneyback.2)“Aseriesofstepstakentoaccomplishanend”6.undertakev.1)“Totakeupononeself;decideoragreetodo”eg：undertakeatask.2)“Topledgeorcommit(oneself)to’eg：undertakeoneselftocareforanelderlyrelative.7.breakthroughn.1)“Anactofovercomingorpenetratinganobstacleorrestriction.”2)‘Amilitaryoffensivethatpenetratesanenemy'slinesofdefense’eg:a~incancerresearch8.disturbv.“breakthequiet,calmandpeace’eg:Sheopenedthedoorquietlysoasnottodisturbthesleepingboy.Don’t~thepapersonmydesk.9.arbitraryadj.1)“Determinedbychance,whim,orimpulse,andnotbynecessity,reason”eg：stoppedatthefirstmotelwepassed,anarbitrarychoice;arbitrarydivisionofthegroupintohalves.2)“Basedonorsubjecttoindividualjudgmentorpreference”eg：Thedietimposesoverallcalorielimits,butdailymenusarearbitrary.10.altogetheradv.1)“Entirely;completely;utterly”eg：losttheTVpicturealtogether;analtogethernewapproach.2)“Withallincludedorcounted;alltold”eg：Therewerealtogether20peopleatthedinner.11.objectionn.“Theactofobjecting”eg:Hehasastrong~togettingupearly.~stotheplanwillbelistenedtosympathetically.12.median.媒体eg:Therunningforpresidentdrewthe~’sattention.Nowthepressisanusefulmedia.13.moraladj.1)“Oforconcernedwiththejudgmentofthegoodnessorbadness”eg：moralscrutiny;amoralquandary.2)“Teachingorexhibitinggoodnessorcorrectnessofcharacter”eg：amorallesson.14.accumulatev.“Togatherorpileup”eg:Bybuyingtenbookseverymonth,hesoon~dalibrary.Dustsoon~siftheroomisnotswept.15.forbidv.1)“Tocommand(someone)nottodosomething”eg：Iforbidyoutogo.2)“Tocommandagainstthedoingoruseof(something);prohibit”eg：forbidsmokingontrains.TheForthperiodLearningaboutlanguageandUsinglanguageAims:LettheSsknowmoreaboutthecloning.Improvethestudents’listening,readingandwritingability.Contents:Taskone:gapfilling1.Completethesentencesusingsuitablewordsorphrasesfromtheprevisionsections.2.Rewritethesentencesusingwordsofsimilarmeaningtoreplacetheunderlinedwords.3.Usethewordsandphrasesbelowtofillinthepassage.Tasktwo:readinganddiscussing1.Readthepassageandanswerthequestions.2.Inpairs,discusswhichextinctanimalsdescribedbelow(whichdiedoutlessthan10,000yearsago)areworthrestoringbymeansofcloning.a.Auroch(1627)b.Dodobird(1755)c.Greatauk(1844)d.