book8-unit2-Cloning-wher教学讲解课件

Theroadtoknowledgebeginswiththeturnofthepage.

Areyouready?

Dailyproverb知识之路始于阅读短语：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

13oone’sheart使……刻骨铭心

14．fromtimetotime不时；偶尔Cloning:whereisitleadingus?CloningUnit2Book8Unit2Cloning

aims:

1.Getthestudentstoimprovereadingskills.2.MaketheStudentslearnmoreaboutcloning.3.LettheStudentsmasterthetargetwords,phrasesandsentencestructures.任丘市第一中学Oh!MyGod!Iwascloned!ReadingStrategies阅读策略Thebetterwaytogetthemainideais:A:Readthepassagesentencebysentenceandstudythemeaningofindividualwordsorsentenceifnecessary.B:Trytolocateatopicsentenceinthefirst,thelastorsometimesinthemiddleparagraph.scanskimPara1A.TheproblemsofDollyPara2B.ThetwomajorusesofcloningPara3C.TheattitudestowardscloningPara4D.ThedefinitionofcloningPara5E.Theeffectofcloninginsociety

Skimming（略读）:matchthemainideawith

eachparagraph

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-Reading

Para1

Question1Whatisthetopicsentenceofthefirstparagraph？Cloninghasalwaysbeenwithusandisheretostay.Cloningisawayofmakinganexactcopyofanotheranimalandplant.Question2Whatiscloning?Ithappensbothin______andin_______.Theyareboth_______plantsanimalsThedefinitionofcloningnaturalclonesTwinsTheyarebornnaturallyandidentical(一模一样)in____and___________.sexappearance_________cloneNaturalNaturalclonequestion3.Themajorusesofcloning:Firstly,…commercial…Secondly,…research…Para2ThemajorusesandproceduresofcloningInthisparagraph,theword“straightforward”means____.A.uncomplicatedB.honestC.frankD.difficultCloningplantsis

straightforwardwhile(表对比)cloninganimalsisverycomplicated.

ThecloningofDollythesheepsucceededbecause____.A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed细枝末节Theirdeterminationandpatienceofthescientistspaidoff.DollythesheepQuestion4:HowdoesDollydifferfromothersheep?Shewasclonedwhiletheotherswerebornnaturally.Dollywasa______sheep.bedifferentfromclonedIn1996,asheepcalledDollywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.Challengeyourselves

Doyouknowabout:

HowdidtheclonedsheepDollycomeintobeing?抢答Trueoffalse:Fourfemalesheepparticipateinthecloningofanewsheep.Electricityisneededintheprocedure.SheepBprovidesasomaticcellfortheclone.ThelambistheexactcopyofsheepA.TFTFFirst,thefactthatDollydeveloped______inanaturalwaywas__________.Later,thenewsthatDollyhadbecomeseriouslyillwas__________.Finally,theproblemthatoccurredtothescientistswasthataclonedanimallives_____________theoriginalone.Para3Question5:TheproblemsofDollynormallyencouragingA.aslongasB.shorterthanC.longerthandisturbingshorterthanThesheepthatdonatedthesomaticcellmostprobablylived____years.A.3B.6C.9D.13推理判断AltogetherDollylivedsixandahalfyears,halfthelengthofthelifeoftheoriginalsheep.Whenwecomeacrossquestionsthatrequireustoinferfromthepassage,rememberto:____________A.inferunknownfactsfromknownfactsB.usethedirectinformationfromthetextTheword“controversial”inPara4probablymeans:____________.A.complicatedB.arguableC.importantD.traditionalPara4Question6TheimpactofDollyItsappearanceraised

and

themediaandpublicimagination.astormofobjectionshadagreatimpactonPara5Question7People’sreactiontocloning

WecaninferfromthelastparagraphthatThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Therewereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning.C.

Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Alltheresearchintohumanbeingswillbeforbidden.Furtherunderstandingtheauthordoesnotstateany

personalopinionaboutcloning.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.exactstraightforwardundertakebreakthroughAltogetherAstormof____6____wasraisedbyDolly'sappearance,whichhadagreatimpactonthemedia.Somegovernments____7___researchintohumancloning,whileothercountriescontinuedto____8_____evidenceoftheabundantmedicalaidthatcloningcouldprovide.However,itstillremainstobefoundbythescientistswhethercloningisharmfulorhelpfultohumanbeings.objectionsforbadeaccumulateConsiderationmakespeoplesmarter.Whatbenefitscanhumansgainfromcloning?Whatproblemsmayarisewhenhumansarecloned?Cloningcanmakeawomanwhocan’tgetpregnant(怀孕的）haveachild.The10-year-oldgirldiedinanaccidentinAmerica,cloningcanproduceanexactgirlofher.Atpresentourcountrylacksorgans(器官）.Theclonedmancantransformhisorganstohisoriginalone(本体)Ourcloningtechnologyisnotperfect.Someclonedbabieshavedeformity(畸形）

frombirth.Hitler:AnevilleaderStarWar:Episode2:Attackoftheclones星战前传2：克隆人的进攻TheSixthDay

第六日(施瓦辛格)ConclusionAdvantage(goodpoints)Disadvantage(badpoints)ItcanmakemoreprofitsforgardenersandfarmersWecouldusecloningtocureillnessesCloningcanhelpsaveendangeredanimalsCloningcanprovideacopyofachildforacouplewhosechildhasdiedClonedanimalsiseasytogetillanddieyoungAgainst

natureandraisemoralquestionsAnimalsclonesmaydeveloptheillnessofolderanimalsEvilleadersmaywanttoclonethemselvesPeopleareafraidthatscientistswillcreatethousandsofcopiesofthesameperson.CloningisagreatbreakthroughtohumanbeingsHomeworkAreyouinfavorof

cloningoragainstcloning?

StateyourpointofviewHomework: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_____________________Quiz:（测一测）Seewhatyougotfromourclasstoday!（yesorno)1.Doyouknowwhatcloneis?2.DoyouknowhowDollythesheepwasproduced?3.Doyouknowtheadvantagesanddisadvantagesofcloning?4.Areyouactiveingroupdiscussions?5.Doyouhavefuninourclass?TheimportanteventsinanimalcloninghistoryIn1952tadpole(蝌蚪）wascloned.ItisthefirstanimaltobeclonedIn1963,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.