2023學(xué)年完整公開課版Unit2Cloning(Reading)公

Unit2CloningNaturalcloneorMan-madeclone？DollythesheepAstrawberryplantGrowingnewplantsTwinsisonethatoccursinnature.

Anaturalclone

isonethatisproducedthroughhumanintervention.(人類介入）Aman-madecloneDollythesheepShewas

while

theotherswereborn

.HowdoesDollydifferfromothersheep?man-madecloneclonednaturallySkimthepassageandgetthemainideaofeachparagraph.Para1Para2Para3Para4Para5The___________

ofcloningThetwomajor_____andthe__________ofcloningThe__________ofDollyThe________ofcloninginsocietyThe____________towardscloningusesproblemseffectproceduredefinitionattitudes

Thepassagetellsusthatanimalcloningraisedandscientistsarenotsureaboutits.argumentsfutureWhat’sthewritingstyle?Expositive(說明性的)Argumentative（議論性的）Narrative（敘事性的）Descriptive（描寫性的）★What’sthemainideaofthepassage?Cloninghappensbothin______andin_______.Theycanbeclonedby________and_______.plantsanimalsthemselveshumansNaturalcloneMan-madeclonePara1

Thedefinitionofcloning1.Theword“straightforward”means______.uncomplicatedhonestfrankdifficultPara2Themajorusesandproceduresofcloning2.ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailedThedeterminationandpatienceofthescientistspaidoff.(L9)3.ThelambisthecloneofthecellfromsheepBbecause.A.itprovidestheeggcell

B.itgivesbirthtothelamb

C.itprovidesthenucleus

D.itisafemalesheep產(chǎn)出有核卵細胞無核卵細胞體細胞取出細胞核用電融合細胞代孕母羊細胞分裂形成胚胎Howtoproduceasheep（我也來當(dāng)科學(xué)家）Trueoffalse:Fourfemalesheepparticipateinthecloningofanewsheep.Electricityisneededintheprocedure.SheepBprovidesasomaticcellfortheclone.ThelambistheexactcopyofsheepA.TFTFAtfirst,

thefactthatDollyseemedtodeveloped______was__________.Then,camethenewsthatDollybecame_________.AltogetherDollylived__________________,halfthelengthofthelifeof__________.Para3TheproblemsofDollynormallyencouragingtheoriginalsheepseriouslyillsixandahalfyearsThesheepthatdonatedthesomaticcellmostprobablylived________years.A.3B.6C.9D.13Problems:

Clonedanimalsmaydevelopthe________ofolderanimals.Clonedanimalsmaylives__________theoriginalone.aslongas/shorterthan/longerthanillnessesshorterthanTheword“controversial”inparagraph4probablymeans____________.A.complicatedB.arguableC.importantPara4TheimpactofDollyOntheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.TranslationTrueorfalse:1PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountriestoaccumulate

evidenceoftheabundantmedicalaidthatcloningcouldprovide.Para5People’sreactiontocloningManygovernmentsforbaderesearchintohumancloning.Definition2majorusesofcloningCloningprocedureThefirstsuccessfulanimalcloneItisawayof__________________ofanotheranimalandplant.1)toproduce___________quantitiesofplants.2)Itisvaluableforresearchonnew______________andmedicalresearchon________.Cloningplants______________whilecloningofanimalsis___________Thecloningof_______________,a_____________incloningtech.makinganexactcopycommercialstraightforwardbreakthroughplantsspeciesanimalsDollythesheepcomplicatedTheproblemsofDollythesheepTheeffectofDollythesheepEncouragingnews:Itseemedtodevelop________andproduced______ina_______way.

Disturbingnews:Itlivedfor____years,halfthelengthofthelifeofthe_______sheep.Itsappearanceraisedastormof________andhadagreatimpactonthe_____andpublic___________.Itopenedeverybody’seyestothepossibilityofusing

cloningtocure_______________andevenproduce_____________.objectionshumanbeingsnormallynatural6originalimaginationseriousillnessesmediaalambArgumentsoncloning

Evilleadershopetoclone___________.Religiousleadersraised________questions.Manygovernments_______researchintohumancloning.Somecountriescontinuedto___________evidenceoftheabundantmedicalaid.moralforbadethemselvesaccumulate

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

valuablecomplicated

undertakecloningAltogetherobjectionsforbadewonderSummaryDisadvantagesofcloningAdvantagesofcloning1.Animalclonesmay____________________ofolderanimals.1.Useittoproduce__________________ofplants2.Animalclonesmay__________thanthedonoranimals.3.Cloningcanbevaluablefor_____________________.

3.______leadersmaywanttoclonethemselves.4.Religiousleadersraised

.4.Cloningcanhelpsave

______________________

Fillinthechartdevelopthe

illnesseslivedshorterEvilmoral

questionscommercialquantities2.Cloningplantscanbevaluableforresearchon______________new

plantspecies.medicalresearchonanimalsendangeredanimals.Wecanconclude_______Cloningisgoodforus.Cloninghastwoaspects.Ifcloningisusedinacorrectwayitcanbringmanyconveniencetous.Ifcloningisusedinanevilwayitcancausemuchtrouble.Weshouldusecloninginawisewa