book8 unit2 Cloning where is it leading us短语ppt课件.ppt

,Theroadtoknowledgebeginswiththeturnofthepage.Areyouready?,Dailyproverb,知识之路始于阅读,1,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,attempttodo,payoff,beappropriateto,raiseastormofobjections,openoneseyesto,oweto,infavorof,objectto,2,9bringbacktolife使复生；使复活10invain白费力气；枉费心机11ingoodcondition状况很好12haveagreatimpacton对有很大影响13oonesheart使刻骨铭心14fromtimetotime不时；偶尔,3,Cloning:whereisitleadingus?,Cloning,Unit2,4,Book8Unit2Cloning,aims:1.Getthestudentstoimprovereadingskills.2.MaketheStudentslearnmoreaboutcloning.3.LettheStudentsmasterthetargetwords,phrasesandsentencestructures.,5,Oh!MyGod!Iwascloned!,6,ReadingStrategies阅读策略,Thebetterwaytogetthemainideais:A:Readthepassagesentencebysentenceandstudythemeaningofindividualwordsorsentenceifnecessary.B:Trytolocateatopicsentenceinthefirst,thelastorsometimesinthemiddleparagraph.,scan,skim,7,Para1A.TheproblemsofDollyPara2B.ThetwomajorusesofcloningPara3C.TheattitudestowardscloningPara4D.ThedefinitionofcloningPara5E.Theeffectofcloninginsociety,Skimming（略读）:matchthemainideawitheachparagraph,8,Scanning(workingroups),Scanthetexttofindouttheanswerstothefollowingquestions.,Discussion,9,tasksofeachgroup,Questions,1)Whatthetopicsentence(主题句)ofthefirstparagraph?2)whatiscloning?3)themajorusesofcloning4)Howdoesdollydifferfromothersheep?5)theproblemsofDolly6)theimpactofcloninginsociety7)peoplereactiontocloning,10,“beheretostay”isanidiom,whichmeans“beacceptedandusedbymostpeople”,while-ReadingPara1,Question1Whatisthetopicsentenceofthefirstparagraph？,Cloninghasalwaysbeenwithusandisheretostay.,11,Cloningisawayofmakinganexactcopyofanotheranimalandplant.,Question2Whatiscloning?,Ithappensbothin_andin_.Theyareboth_,plants,animals,Thedefinitionofcloning,naturalclones,12,Twins,Theyarebornnaturallyandidentical(一模一样)in_and_.,sex,appearance,_clone,Natural,Naturalclone,13,question3.Themajorusesofcloning:Firstly,commercialSecondly,research,Para2,Themajorusesandproceduresofcloning,Inthisparagraph,theword“straightforward”means_.A.uncomplicatedB.honestC.frankD.difficult,Cloningplantsisstraightforwardwhile(表对比)cloninganimalsisverycomplicated.,14,ThecloningofDollythesheepsucceededbecause_.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed,细枝末节,Theirdeterminationandpatienceofthescientistspaidoff.,15,Dollythesheep,Question4:HowdoesDollydifferfromothersheep?Shewasclonedwhiletheotherswerebornnaturally.Dollywasa_sheep.,bedifferentfrom,cloned,16,In1996,asheepcalledDollywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.,17,ChallengeyourselvesDoyouknowabout:,HowdidtheclonedsheepDollycomeintobeing?,18,19,抢答Trueoffalse:,Fourfemalesheepparticipateinthecloningofanewsheep.Electricityisneededintheprocedure.SheepBprovidesasomaticcellfortheclone.ThelambistheexactcopyofsheepA.,T,F,T,F,20,First,thefactthatDollydeveloped_inanaturalwaywas_.Later,thenewsthatDollyhadbecomeseriouslyillwas_.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives_theoriginalone.,Para3,Question5:TheproblemsofDolly,normally,encouraging,A.aslongasB.shorterthanC.longerthan,disturbing,shorterthan,21,Thesheepthatdonatedthesomaticcellmostprobablylived_years.A.3B.6C.9D.13,推理判断,AltogetherDollylivedsixandahalfyears,halfthelengthofthelifeoftheoriginalsheep.,Whenwecomeacrossquestionsthatrequireustoinferfromthepassage,rememberto:_A.inferunknownfactsfromknownfactsB.usethedirectinformationfromthetext,22,Theword“controversial”inPara4probablymeans:_.A.complicatedB.arguableC.importantD.traditional,Para4,Question6TheimpactofDolly,Itsappearanceraisedandthemediaandpublicimagination.,astormofobjections,hadagreatimpacton,23,Para5,Question7Peoplesreactiontocloning,WecaninferfromthelastparagraphthatThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Therewereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.,D.Alltheresearchintohumanbeingswillbeforbidden.,24,Furtherunderstanding,25,theauthordoesnotstateanypersonalopinionaboutcloning.,A.Objective(befair)B.Negative(beagainstit)C.Positive(beinfavourofit),Thewritersattitudetowardscloning,Because_,26,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.,exact,straightforward,undertake,breakthrough,Altogether,27,Astormof_6_wasraisedbyDollysappearance,whichhadagreatimpactonthemedia.Somegovernments_7_researchintohumancloning,whileothercountriescontinuedto_8_evidenceoftheabundantmedicalaidthatcloningcouldprovide.However,itstillremainstobefoundbythescientistswhethercloningisharmfulorhelpfultohumanbeings.,objections,forbade,accumulate,28,Considerationmakespeoplesmarter.,Whatbenefitscanhumansgainfromcloning?Whatproblemsmayarisewhenhumansarecloned?,29,Cloningcanmakeawomanwhocantgetpregnant(怀孕的）haveachild.,30,The10-year-oldgirldiedinanaccidentinAmerica,cloningcanproduceanexactgirlofher.,31,Atpresentourcountrylacksorgans(器官）.Theclonedmancantransformhisorganstohisoriginalone(本体),32,33,Ourcloningtechnologyisnotperfect.Someclonedbabieshavedeformity(畸形）frombirth.,34,Hitler:Anevilleader,35,StarWar:Episode2:Attackoftheclones星战前传2：克隆人的进攻,TheSixthDay第六日(施瓦辛格),36,Conclusion,37,Itcanmakemoreprofitsfor,gardenersandfarmers,Wecouldusecloningtocure,illnesses,Cloningcanhelpsave,endangeredanimals,Cloningcanprovideacopyofachildforacouple,whosechildhasdied,Clonedanimalsiseasytogetilland,dieyoung,Againstnatureandraisemoralquestions,Animalsclonesmaydeveloptheillnessof,olderanimals,Evilleadersmaywantto,clonethemselves,Peopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson.,Cloningisagreatbreakthroughtohumanbeings,38,Homework,Areyouinfavorofcloningoragainstcloning?Stateyourpointofview,39,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意见：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_,40,Quiz:（测一测）,Seewhatyougotfromourclasstoday!（yesorno),1.Doyouknowwhatcloneis?2.DoyouknowhowDollythesheepwasproduced?3.Doyouknowtheadvantagesanddisadvantagesofcloning?4.Areyouactiveingroupdiscussions?5.Doyouhavefuninourclass?,41,Theimportanteventsinanimalcloninghistory,42,In1952tadpole(蝌蚪）wascloned.Itisthefirstanimaltobecloned,43,In1963,anAsiancarp(鲤鱼）wascloned.Tenyearslater,aChinesescientistnamedTongdizhouclonedaEuropeancarp.,44,1978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,45,In1996,asheepcalledDolleywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.,46,Amacaque（猕猴）wasclonedin2000.Laterscientistsclonedmanymonkeys.,47,Mules(骡子）havenoabilitytogivebirthtoababy.Amulewasclonedin2003.Itisthefirst