广西扶绥县第二中学高中英语 Unit2 Cloning Reading课件1 新人教版选修8.ppt

unit2cloning whichonesarenaturalclones whichonesareman made howdotheydiffer warmingup astrawberryplant naturalclone growingnewplants man madeclone naturalcloneisonethatoccursinanaturalformofcloningwithouthumanhelp man madecloneisonethatproducedthroughhumanintervention 介入 dollythesheep shewasclonedwhiletheotherswerebornnaturally inotherword dollywasa sheep cloned howdoesdollydifferfromothersheep man madeclone pre reading addyourquestionstothelist questionlistaboutcloningwhatisaclone howisacloneproduced whatbenefitscanhumansgainfromcloning whatproblemsmayarisewhenhumansarecloned 5 6 cloning whereisitleadingus predict towhichquestionfromourlisttheanswermightbefoundinthispassage fastreading3mins 2 outline keywordforeachparagraphpara 1 para 2 para 3 para 4 para 5 readformainideaofthepassage introduction definition usesandbreakthrough problemsofdolly theimpactofcloning people sreactiontocloning themainideaofthetextis a animalcloningisveryvaluableandcanbenefittheworld b animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenc animalcloningiswelldevelopedbecausedollythesheepwasborn d animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture mainidea 1 dollythesheep a lookedexactlylikethesheepthatprovidestheegg b wastheexactcopyofthesheepthatprovidesthenucleus c lookedlikethesheepthatgavebirthtoit d hadthecharacteristicsofallthreesheep reading iiskimming 5ms choosetherightansweraccordingtothetext 2 itcanbeinferredfromthepassagethataclonedanimal a usuallylivesaslongastheoriginaloneb usuallyliveslongerthantheoriginalonec usuallyliveslongerthantheoriginaloned isusuallyashealthyastheoriginalone 3 thesheepthatdonatedthesomaticcellmostprobablylived years a 3b 6c 9d 12 4 whichofthefollowingisnotanadvantageofcloning cloningcanbeusedformedicalpurposes largequantitiesoffoodcanbeproducedbycloning cloningcanhelpkeepanimalsfrombecomingextinct famouspersonswhohavepassedawaycanbecloned 5 inthesecondparagraph theword straightforward means a uncomplicatedb honestc frankd difficult 6 whichofthefollowisnotaproblemordangerofcloningaccordingtothetext clonedbinladenswoulddoharmtotheworld b animalclonesmaydeveloptheillnessofolderanimalsandmaydieyoungerthanthedonoranimals c therearemoralobjectionstocloninghumanbeings d toomuchcloningmayleadtothedestructionofthebalanceofnature cloningisawayofmakinganexactcopyofanotheranimalandplant whatiscloning cloninghappensbothin andin theycanbeclonedby and plants animals themselves humans naturalclone man madeclone para1 listenandfilltheblanks intensivereading 1 howmanymajorusesdocloninghave firstly commercial secondly research 2 whenwasthecloningofdollythesheepborn whydidthescientistssucceedincloningit para2readtogether 1996 itwastheirdeterminationandpatiencethatpaidoff themajorusesandbreakthroughofcloning atfirst thefactthatdollydeveloped inanaturalwaywas later thenews shelivedforsixyears halfthelengthofthelifeofthe onewas finally theproblemthatoccurredtothescientistswasthataclonedanimallives thantheoriginalone para3 theproblemsofdolly normally encouraging orginal that disturbing shorter readfreely 1 thefactthatsheseemedtodevelopnormallywasveryencouraging 2 thencamethedisturbingnewsthatdollyhadbecomeseriouslyill appositiveclause wecaninferfromthelastthreeparagraphsthat thenormaldevelopmentofdollyhadnoeffectonthecloningofotherspecies b dolly sseriousdiseaseandfinaldeathdisturbedthewholeworld c dollysuccessfullyclonedanewlambwiththehelpofcloningscientists d therewereargumentsaboutanimalsaboutanimalcloningandconcernsaboutthefutureofcloning para4 5 theimpactandpeople sreactiontocloning theauthordoesnotstateanypersonalopinionaboutcloning a objective befair b negative beagainstit c positive beinfavorofit thewriter sattitudetowardscloning because detailreadinganddiscussionfillinthechartusingtheinformationfromthetext develop the illnesses produce cures illnesses die younger produceplants quality for sale evilleader useful newplantspecies moralobjections endangeredanimals practice retelltheprocedureofcloningdollythesheep 克隆羊诞生图示 1 thefactisthattheyarebothexamplesofnaturalclones 2 thequestionsthatconcernedallscientistswere wouldthisbeamajordifficultyforallclonedanimals 3 itsuddenlyopenedeverybody seyestothepossibilityofusingcloningtocureseriousillnesses andevenproducinghumanbeings 4 althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain newspaperswroteofevilleadershopingtoclonethemselvestoattaintheirambitions understandthesentences predicativeclause attributiveclause practice discussion 8ms chooseoneofthefollowingquestionstodiscussingroups theleaderofeachgroupshouldwritedowneverymember sopinion thenthevolunteerswillshowyourgroupworktothewholeclass questions doyousupporttheideaofproducinghumanembryos 胚胎 formedicalpurposes why doyouthinkitagoodideatouseclonedhumansfororgan 器官 transplants why doyouthinkaclonedhumanshouldhavehumanrights why homework 1 创新作业本periodi2 finishex 1 2 3 page12 我国成功繁殖克隆兔体形要比普通兔大许多 2002年5月中旬成功地繁殖了一只胚胎细胞克隆兔 第一只克隆宠物猫 克隆马及其 母亲兼姐姐 2002年4月十六日美国