周三cloning講義市公開課一等獎(jiǎng)?wù)n件省賽課獲獎(jiǎng)?wù)n件

Book8Unit2

Cloning

Teachingaims:1.GettheSstoimprovereadingskills.2.MaketheSslearnmoreaboutclonig.3.LettheSsmasterthetargetwords,phrasesandsentencestructures.山東省臨朐第二中學(xué)1/29

Pre-reading山東省臨朐第二中學(xué)2/29NaturalcloneorMan-madeclone？DollythesheepAstrawberryplantGrowingnewplantsTwins山東省臨朐第二中學(xué)3/29isonethatoccursinnature.

Anaturalclone山東省臨朐第二中學(xué)4/29

isonethatisproducedthroughhumanintervention.(人類介入）Aman-madeclone山東省臨朐第二中學(xué)5/291996年，

世界第一例從成年動(dòng)物細(xì)胞

克隆出哺乳動(dòng)物綿羊多利誕生

山東省臨朐第二中學(xué)6/29DollythesheepShewas

__________while

theotherswereborn_________.Dollywasa______sheep.clonedHowdoesDollydifferfromothersheep?clonednaturally山東省臨朐第二中學(xué)7/298/29cloningwhile-Reading

山東省臨朐第二中學(xué)9/29Reading–ⅠSkimming:matchthemain

ideawitheachparagraphPara.1Para.2Para.3Para.4Para.5A.Twomajorusesandthe

procedureofcloning.B.Cloningisawayofmakinganexactcopyofanotheranimalorplant.C.TheeffectofDollythesheep.D.Itisforbiddentoclonehumanbeings.E.Theproblemofdollythesheep.山東省臨朐第二中學(xué)10/29Writetheletter“T”ifthestatementistrue.Write“F”ifitisfalse.1.Cloningmeansmakingacopyofananimaloraplant.2.Gardenerscanmakealotofmoneybycloningplants.3.Cloninganimalsisascomplicatedascloningplants.FFT山東省臨朐第二中學(xué)11/294.Dollythesheepwasthefirstsuccessfulcloneofamammal5.Naturalcloneshappeninanimalsaswellasinplants.TT山東省臨朐第二中學(xué)12/29主旨大意1.Themainideaofthetextis____A.animalcloningisveryvaluableandcanbenefittheworld.B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasborn.D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.山東省臨朐第二中學(xué)13/292.ThecloningofDollythesheepsucceededbecause____.A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed細(xì)枝末節(jié)山東省臨朐第二中學(xué)14/293.Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.13推理判斷山東省臨朐第二中學(xué)15/294.Wecaninferfromthelastthreeparagraphsthat___.ThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Dolly’sseriousdiseaseandfinaldeathdisturbedthewholeworld.C.Therewereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning.D.

Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.16/29theauthordoesnotstateany

personalopinionaboutcloning.A.Objective(befair)

B.Negative(beagainstit)C.Positive(beinfavorofit)5.Thewriter’sattitudetowardscloningBecause______________________________________________________________山東省臨朐第二中學(xué)17/29Reading–ⅡDetailedreading(8ms)

Fillintheblankusingtheinformationfromthetext.

Cloningnotonlyhappensin_____________,butalsoin____________.Cloninghastwo______________.First,itcanhelpgardenersproduce________________________________________.Second,itisvaluableforresearchon__________________________andformedicalresearchon____________.Cloningplantsis____________whilecloninganimalsisvery______________.

plantsanimalsmajorusescommercialquantitiesofplantsnewspeciesanimalsstraightforwardcomplicatedplant山東省臨朐第二中學(xué)18/293.Thewholescientificworld_______________________ofDolly.Atfirst,thefactthatDollyseemeddevelop_____wasvery_______________ .Later,cloningscientistswere__________________tofindthatDolly’s_________weremore_____________toamucholderanimal.4.Cloningbecame__________.Usingcloningto____________________

_____________.followedtheprogressnormallyencouragingcastdownillnessesappropriatecontroversialseriousillnessescure山東省臨朐第二中學(xué)19/29產(chǎn)出有核卵細(xì)胞無核卵細(xì)胞體細(xì)胞取出細(xì)胞核用電融合細(xì)胞代孕母羊細(xì)胞分裂形成胚胎Howtoproduceasheep(paragraph2)（我也來當(dāng)科學(xué)家）20/29恐怖分子頭目本拉登21/29The10-year-oldgirl,KinderdiedinanaccidentinAmerica,clonecanproduceanexactgirlofher.22/29Clonecanmakeawomanwhocan’tgetpregnant(懷孕）haveachild.23/29

Atpresentourcountrylacksorgans(器官）.Theclonedmancantransformhisorganstohisoriginalone(本體)24/29山東省臨朐第二中學(xué)Summary25/29

Cloningisawayof_______anexactcopyofanotheranimalorplant.Cloninghastwo______uses.Firstly,gardenersuseittoproduceplants.Secondly,itis________formedicalresearchonanimals.Cloningplantsisstraightforwardbutthecloningofanimalsismore________.Theprocedureisdifficultto_______.In1996,scientistssucceededin______Dollythesheep.ThencamethedisturbingnewsthatDollywasill.________Dollylivedforsixyearsandahalf,Dolly’sappearanceraisedastormof________.Governmentbecamenervousandmany_________researchintohumancloning.Scientistsstill_______whethercloningwillhelporharmusandwhereitisleadingus.makingmajor

valuablecomplicated

undertakecloningAltogetherobjectionsforbadewonder山東省臨朐第二中學(xué)26/29Homework:What’syouropinionofcloninghumanbeings?Writeashortpassageaccordingtochartbelow.山東省臨朐第二中學(xué)27/29DisadvantagesofcloningAdvantagesofcloningAnimalclonesmaydevelop