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1、TheFirstPeriodReadingTeachinggoals教学目标1.Targetlanguage目标语言a.重点词汇和短语clone，commercial，producer，undertake，arbitrary，object，forbid，accumulate，castdown，objectto，themedia，infavourofb.重点句子Itisawayof….Thefactisthat….Thequestionthatoccurredis….2.Abilitygoals能力目标Enablethestu
2、dentstodescribecloning:Whatistheadvantagesofcloning？Whatistheproblemsordangersofcloning？Whatisyouropinionofcloning？3.Learningabilitygoals学能目标Helpthestudentslearnhowtodescribecloning.Teachingimportantpoints教学重点Howtodescribecloning.Teachingdifficultpoint教学难点Helpthest
3、udentsanalyzethewritingtechniquesofthearticle.Teachingmethods教学方法Skimming,task-basedmethodanddebatemethod.Teachingaids教具准备Arecorder,aprojectorandsomeslides.Teachingprocedures&ways教学过程与方式StepILead-inThistopicisdifficultforstudents.Soteachershouldhelpthestudentslearn
4、moreaboutit.Dothisinthewayofaskingandansweringquestions.T:Youcanimaginehowrapidlythemodernscienceandtechnologydevelop.Ithinkmostofyoumustknowsomethingaboutspacetraveling,submarineexploration,robot,maglevtrain,geneengineeringetc.Butinrecentyears,ahottopic,cloningiso
5、ftenmentioned,especiallywhenthecloningDollythesheepappeared.YoumayhavefirstheardofcloningwhenDollytheSheep单位：湖北省荆门市 姓名：李国 E_mail：liguo619@sina.comshoweduponthescenein1997.CloningtechnologieshavebeenaroundformuchlongerthanDolly,though.Firstthingsfirst,whatiscloninga
6、ndaclone?Thedictionarysayscloningisthetechniqueofproducingageneticallyidenticalduplicateofanorganism.Acloneissaidtobealldescendantsderivedasexuallyfromasingleindividual,asbycuttings,bulbs,byfission,bymitosis,orbyparthenogenesisreproduction.Itsoundsverydifferentandc
7、omplicatedtous.Infact,Imean,inourdailylife,thishappensoften.Forexample,gardenerstakecuttingsfromgrowingplantstomakenewones.Youoftenseethatyourmotherpicksasmallbranchfromagrowingplanttomakeanewone.Ifshelikesthiskindofflowers,shecandocloning.Cloningalsohappensinanima
8、lsorhumanbeingswhentwinsidenticalinsexandappearanceareproducedfromthesameoriginalegg.Thefactisthatcloningplantsisstraightforwardbutthecloningofan
