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1Unit2Cloning（Module8）Period1Reading:Cloning:WhereisitleadingusClass：Name：__________Group：No：______LearningObjectives:1.Learntheusefulnewwordsandexpressions.2.Readthepassageandlearnsomeinformationaboutcloning.LearningKeyPoints:1.Grasptheimportantwordsandexpressionsinthereadingmaterial.2.LearnthetextandmasterthemajorusesofcloningandthesuccessandproblemofcloningDollythesheep.LearningDifficultPoints:1.Improvethereadingability.2.Learnthereadingskills:scanningandskimming.LearningProcedures:I.【Pre-classhomework】A.WarmingupTherearetwokindsofclones,anaturalcloneandaman-madeclone.Doyouknowwhatisanaturalclone?Andwhatisaman-madeclone?Anaturalcloneisonethat______________________________________________________Man-madecloneisonethat____________________________________________________B.Pre-readingBackgroundreading:ScottishscientistsatRoslynInstitutecreatedthemuch-celebratedsheepDolly,arousedworldwideinterestandconcernbecauseofitsscientificandethicalimplications.ShewasthefirstmammaltobeclonedfromadultDNAtakenfromanadultcell.Previously,animalshadonlybeenclonedusingembryo(胚胎)cellswhichalreadyhavethepotentialtobecomeacompleteembryoinitsownright.ThebigbreakthroughwithDollywastomakeaclonefromanordinary,adultcell−inthiscasefromafemalegoat’sudder.Questions:1.HowdoesDollydifferfromothersheep?Shewas______________byhumanswhiletheotherswerebornnaturally.So,Dollywasa______________sheep.2.Shouldwecloneahuman?II.【While-class】Step1.Lead-inStep2.GroupdiscussionStep3．Consolidation1.ReadingAssessment:Assessment:____________________________________________________________________________________________________21.Fillintheform.ParaMainideaofeachparagraphDetailsSummary1The__________ofcloningCloningiswayof(1)_________________________________ofanotheranimalsorplant.Thepassagemainlytellsus________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________2The____________usesFirstly,toproduce(2)________________quantitiesofplants.Secondly,forresearchon(3)______________________________________andfor(4)______________researchonanimals.3The____________ofDollyDolly’sillnessweremoreappropriateto(5)______________________________;Dolly’slivedonly(6)______________thelengthofthelifeoftheoriginalsheep;Thesamearbitraryfateaffected(7)______________________________________.4The____________ofDollyRaisedastormof(8)________________andhadagreatimpacton(9)____________________________________________;(10)_________________people’seyes.5People’s____________towardcloningEvilleadershopeto(11)_____________;Religiousleadersraised(12)_____________________;Governmentsbecame(13)___________________;ChinaandtheUKcontinuedto(14)_______________________.II.Post-readingA.做《朗声》p23.ⅣB.Readthetextagainandfillintheblanks.Cloningisawayofmakingan1._________(exactly)copyofanotheranimalorplant.Ithastwomajoruses.2.________,gardenersuseittoearnprofits.Secondly,itisvaluableforresearchonnewplantspeciesand3.________medicalresearchonanimals.Althoughcloningmammalsisdifficult4.__________(undertake),thedeterminationandpatienceofthescientists5._______(pay)offin1996.Thefact6._______sheseemedtodevelopnormallywasvery7._____________(encourage).Butshehadhalfofthe8.________(long)oftheoriginalsheep,9._________arosescientists’concern.Uptonow,cloningisstill10.___________(controversy).Step4．PresentationStep5．SummaryIII.【Post-class】3Key:【Pre-classhomework】A.Warmingup:Anaturalcloneisonethatoccursinanaturalformofcloningwithouthumanhelp.Man-madecloneisonethatisproducedthroughhumanintervention(介入).B.Pre-readingQuestions:1.Shewasclonedbyhumanswhiletheotherswerebornnaturally.So,Dollywasaclonedsheep.2.Inmyopinion,Idonotagree,foritmaycausemanymoralproblems.【While-class】2.ReadingParaMainideaofeachparaDetailsSummary1ThedefinitionofcloningCloningiswayof(1)makinganexactcopyofanotheranimalsorplant.Thepassagemainlytellsuswhatcloningisanditstwomajoruses.ItalsodiscussestheproblemsandeffectsofDolly,theclonedsheep,andpeople’sattitudestowardcloning.2ThetwomajorusesFirstly,toproduce(2)commercialquantitiesofplants.Secondly,forresearchon(3)newplantspeciesandfor(4)medicalresearchonanimals.3TheproblemsofDollyDolly’sillnessweremoreappropriateto(5)amucholderanimal;Dolly’slivedonly(6)halfthelengthofthelifeoftheoriginalsheep;Thesamearbitraryfateaffected(7)otherspecies.4TheeffectsofDollyRaisedastormof(8)objections;andhadagreatimpacton(9)themediaandpublicimagination;(10)Openedpeople’seyes.5People’sattitudestowardcloningEvilleadershopeto(11)clonethemselves;Religiousleadersraised(12)moralquestions;Governmentsbecame(13)nervousandmoreconservative;ChinaandtheUKcontinuedto(14)accumulateevidence.2.Fillintheblanks1.exact2.Firstly,3.For4.toundertake.5,paid6,that7.encouraging8.length9,which10,controversial____________________________________________________________________________________________________4Period2LanguagepointsinReading1Class：Name：__________Group：No：______Learning