book8 unit2 Cloning where is it leading us短语ppt课件

Theroadtoknowledgebeginswiththeturnofthepage.Areyouready?Dailyproverb*短语：尝试做…2.得到好结果适合于…4.引起一阵强烈的反对使…看清了6.欠、把…归功于…7.赞成8.反对attempttodopayoffbeappropriatetoraiseastormofobjectionsopenone’seyestoowe…to…infavorofobjectto*9．bringbacktolife使复生；使复活10．invain白费力气；枉费心机11．ingoodcondition状况很好12．haveagreatimpacton对……有很大影响13strike...intoone’sheart使……刻骨铭心14．fromtimetotime不时；偶尔*Cloning:whereisitleadingus?CloningUnit2*Book8Unit2Cloningaims:1.Getthestudentstoimprovereadingskills.2.MaketheStudentslearnmoreaboutcloning.3.LettheStudentsmasterthetargetwords,phrasesandsentencestructures.*Oh!MyGod!Iwascloned!*ReadingStrategies阅读策略Thebetterwaytogetthemainideais:A:Readthepassagesentencebysentenceandstudythemeaningofindividualwordsorsentenceifnecessary.B:Trytolocateatopicsentenceinthefirst,thelastorsometimesinthemiddleparagraph.scanskim*Para1A.TheproblemsofDollyPara2B.ThetwomajorusesofcloningPara3C.TheattitudestowardscloningPara4D.ThedefinitionofcloningPara5E.TheeffectofcloninginsocietySkimming（略读）:matchthemainideawitheachparagraph*Scanning(workingroups)Scanthetexttofindouttheanswerstothefollowingquestions.Discussion*tasksofeachgroupQuestions1)What’thetopicsentence(主题句)ofthefirstparagraph?2)whatiscloning?3)themajorusesofcloning4)Howdoesdollydifferfromothersheep?5)theproblemsofDolly6)theimpactofcloninginsociety7)people’reactiontocloning*“beheretostay”isanidiom,whichmeans“beacceptedandusedbymostpeople”while-ReadingPara1Question1Whatisthetopicsentenceofthefirstparagraph？Cloninghasalwaysbeenwithusandisheretostay.*Cloningisawayofmakinganexactcopyofanotheranimalandplant.Question2Whatiscloning?Ithappensbothin______andin_______.Theyareboth_______plantsanimalsThedefinitionofcloningnaturalclones*TwinsTheyarebornnaturallyandidentical(一模一样)in____and___________.sexappearance_________cloneNatural*question3.Themajorusesofcloning:Firstly,…commercial…Secondly,…research…Para2ThemajorusesandproceduresofcloningInthisparagraph,theword“straightforward”means____.A.uncomplicatedB.honestC.frankD.difficultCloningplantsisstraightforwardwhile(表对比)cloninganimalsisverycomplicated.*ThecloningofDollythesheepsucceededbecause____.A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed细枝末节Theirdeterminationandpatienceofthescientistspaidoff.*DollythesheepQuestion4:HowdoesDollydifferfromothersheep?Shewasclonedwhiletheotherswerebornnaturally.Dollywasa______sheep.bedifferentfromcloned*In1996,asheepcalledDollywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.*ChallengeyourselvesDoyouknowabout:HowdidtheclonedsheepDollycomeintobeing?**抢答Trueoffalse:Fourfemalesheepparticipateinthecloningofanewsheep.Electricityisneededintheprocedure.SheepBprovidesasomaticcellfortheclone.ThelambistheexactcopyofsheepA.TFTF*First,thefactthatDollydeveloped______inanaturalwaywas__________.Later,thenewsthatDollyhadbecomeseriouslyillwas__________.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives_____________theoriginalone.Para3Question5:TheproblemsofDollynormallyencouragingA.aslongasB.shorterthanC.longerthandisturbingshorterthan*Thesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.13推理判断AltogetherDollylivedsixandahalfyears,halfthelengthofthelifeoftheoriginalsheep.Whenwecomeacrossquestionsthatrequireustoinferfromthepassage,rememberto:____________A.inferunknownfactsfromknownfactsB.usethedirectinformationfromthetext*Theword“controversial”inPara4probablymeans:____________.A.complicatedB.arguableC.importantD.traditionalPara4Question6TheimpactofDollyItsappearanceraisedandthemediaandpublicimagination.astormofobjectionshadagreatimpacton*Para5Question7People’sreactiontocloningWecaninferfromthelastparagraphthatThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Therewereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Alltheresearchintohumanbeingswillbeforbidden.*Furtherunderstanding*theauthordoesnotstateanypersonalopinionaboutcloning.A.Objective(befair)B.Negative(beagainstit)C.Positive(beinfavourofit)Thewriter’sattitudetowardscloningBecause_________________________________________________________________*课文概述：summary根据课文内容进行填空，每空限填一词。Cloningisawayofmakingan___1__copyofanotheranimalorplant.Cloningplantsis_____2______whilecloninganimalsisverycomplicated,whichisveryhardto__3__.Butthescientistsmadea_____4___in1996,withthesuccessfulcloningofDolly.However,Dollybecameseriouslyill,whichmadethecloningscientistscastdown.____5____，Dollylivedsixandahalfyears.exactstraightforwardundertakebreakthroughAltogether*Astormof____6____wasraisedbyDolly'sappearance,whichhadagreatimpactonthemedia.Somegovernments____7___researchintohumancloning,whileothercountriescontinuedto____8_____evidenceoftheabundantmedicalaidthatcloningcouldprovide.However,itstillremainstobefoundbythescientistswhethercloningisharmfulorhelpfultohumanbeings.objectionsforbadeaccumulate*Considerationmakespeoplesmarter.Whatbenefitscanhumansgainfromcloning?Whatproblemsmayarisewhenhumansarecloned?*Cloningcanmakeawomanwhocan’tgetpregnant(怀孕的）haveachild.*The10-year-oldgirldiedinanaccidentinAmerica,cloningcanproduceanexactgirlofher.*Atpresentourcountrylacksorgans(器官）.Theclonedmancantransformhisorganstohisoriginalone(本体)**Ourcloningtechnologyisnotperfect.Someclonedbabieshavedeformity(畸形）frombirth.*Hitler:Anevilleader*StarWar:Episode2:Attackoftheclones星战前传2：克隆人的进攻TheSixthDay第六日(施瓦辛格)*Conclusion*ItcanmakemoreprofitsforgardenersandfarmersWecouldusecloningtocureillnessesCloningcanhelpsaveendangeredanimalsCloningcanprovideacopyofachildforacouplewhosechildhasdiedClonedanimalsiseasytogetillanddieyoungAgainstnatureandraisemoralquestionsAnimalsclonesmaydeveloptheillnessofolderanimalsEvilleadersmaywanttoclonethemselvesPeopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson.Cloningisagreatbreakthroughtohumanbeings*Advantage(goodpoints)Disadvantage(badpoints)HomeworkAreyouinfavorofcloningoragainstcloning?Stateyourpointofview*Homework:基础写作写作情景：今天我们班同学讨论了有关克隆的问题。同学们热烈发表了评论和表达了自己的看法；他们主要有两种不同的：写作内容：请同学们将辩论的内容整理成一篇作文。开头已给出。Today,wehaveaheateddiscussionaboutcloningandopinionsaredividedonthequestion._______________________________________However,________________________________________________________personally,I_____________________*Quiz:（测一测）Seewhatyougotfromourclasstoday!（yesorno)1.Doyouknowwhatcloneis?2.DoyouknowhowDollythesheepwasproduced?3.Doyouknowtheadvantagesanddisadvantagesofcloning?4.Areyouactiveingroupdiscussions?5.Doyouhavefuninourclass?*Theimportanteventsinanimalcloninghistory*In1952tadpole(蝌蚪）wascloned.Itisthefirstanimaltobecloned*In1963,anAsiancarp(鲤鱼）wascloned.Tenyearslater,aChinesescientistnamedTongdizhouclonedaEuropeancarp.*1978年7月25日,世界上第一个试管婴儿路易丝·布朗在英国出生*In1996,asheepcalledDolleywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.*Amacaque（猕猴）wasclonedin2000.Laterscientistsclonedmanymonkeys.*Mules(骡子）havenoabilitytogivebirthtoababy.Amulewasclonedin2003.Itisthefirstanimalwhichlackfecundity(生育能力）tobecloned.*克隆的荧光小猪(左)和正常小猪(右)*我国成功繁殖克隆兔体形要比普通兔大许多**Importantsentences:1.Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated.2.Butatlastthedeterminationandpatienceofscientistspaidoffin1996withabreakthrough.3.CloningscientistswerecastdowntofindthatDolly’illnessesweremoreappropriatetoamucholderanimal.*4.Ontheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.5.Itsuddenlyopenedeverybody’seyestothepossibilityofusingcloningtocureseriousillnessesandeventoproducehumanbeings.6.Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain.7.However,scientistsstillwonderwhethercloningwillhelpusorharmusandwhereitisleadingus.*