Unit3Scienceandnature【美文阅读】克隆动物早已不再“犹抱琵琶半遮面”。为了保护克隆的福利，欧盟委员会这次走得更远……ECapprovesthesaleofclonedyoungintothefoodchainTheEuropeanCommissionhaspublishedareportapprovingtherightofmemberstatestosellclonedanimals'youngandtheirproductsintothefoodchain.Thecommissionsaidabanwouldnotbeproperintermsofprotectinganimalwelfareandpublichealth.Itaddedthataclonetraceability(可追踪)systemwouldbeneeded，becausefoodfromtheclones'young“cannotbedistinguishedfromfoodfromotheranimals”．ThemovecouldcauseabigchangefromtheUKFoodStandardsAgency(FSA)whichatpresentforbidsthesaleoffoodfromtheclones'youngwithoutalicense—farmerStevenInneswasfoundtohavedonesolastyearandshouldbepunished.UndertheCommission'sproposal，Mr.Inneswouldnotbepunished.IndeedallfarmersintheUKwouldbeabletobuymaterialsfromclonesfromoutsidetheEuropeanUnionandselltheirproductsintothefoodchain.GeorgeLyon，LiberalDemocratMEPforScotland，said，“It'sclearthattheFSAisoutoflinewiththerestofmemberstatesinhowitexplainsthepresentrulesand，ofcourse，underthesenewrules，itstillisoutofline.Sohopefullytheywillcometotheirsensesandseetheydohavetomoveonthissubject.”【诱思导学】1．What'sthepassagemainlyabout?________________________________________________________________________2．Whyisabanonsellingclonedanimalsnotsuitableforthepresentsituation?________________________________________________________________________【答案】1.ThesaleofclonedyounghasbeenmadelegalbyEC.或：TheECapprovesthesaleofclonedyoungintothefoodchain.2．Consideringclonedanimalshaveappeared，thereisapossibilitythatpeoplesellthemandgetfoodfromthem.Ifthereisaban，somepeoplemaysellthemillegallyandthenit'slikelytopreventanimalwelfareandpublichealthfromprotection.PeriodⅠPreviewing(教师用书独具)●教学目标本课时主要是通过学生对学案所给出的内容的学习，了解本课文所出现的词汇，初步了解课文以及相关的背景知识，对下一堂课中课文的全面理解起到一个铺垫作用。●教学地位本文是一篇科学报道，介绍两名读者的来信。有关科学的文章需要学生了解其中的科学术语，因此在预习过程中先从整体上理解课文，再通过反复朗读以弄清科学术语的意思。并通过对文章的预习了解当前克隆技术发展的成就及人们对此技术的不同态度。(教师用书独具)●新课导入建议建议教师以课本第41页的图片导入新课，要求学生分组讨论四幅图片，并提出问题：1．Whatdoyouknowaboutcloning?2．Whatotherclonedanimalsdoyouknowabout?3．Doyouthinkitwouldbeagoodideatoclonehumanssomeday？Whyorwhynot?●教学流程设计⇒⇒⇓⇐师生共同讨论并统一答案。⇐⇓⇒⇒⇓⇐⇐⇓(见学生用书第47页)Ⅰ.篇章结构阅读P42的Reading部分，根据课文内容填空(每空不超过3个单词)【答案】1.cells2.notlegal/illegal3.research4．succeeded/beensuccessful5.Negative6.save7．birth8.died9.nature10.wrongⅡ.语篇理解阅读P42的Reading部分，从每题所给的3个选项中选择最佳答案1．Theannouncementofsuccessfulhumanembryocloninghascausedmuchdebatebecause________.A．peoplestillhavenoclearideaabouttheresultsofhumancloningB．valuabletissuesandorganscanbeusedtosavehumansC．mankindisgoingtoproduceterriblemonsters2．ThesuccessoftheclonedsheepDollyhasprovedthat________.A．cloningwillcreatemorediseasesintheanimalworldB．clonedanimalswilldieatamuchyoungeragethannormalC．manhasbeenabletoproduceanexactcopyfromanadultcell3．Accordingtothepassage，whatistherealintentionofIanWilmut'scloningresearch?A．Tocreatecopiesofhumansintheend.B．Todestroyhumanembryosintheend.C．Tocuredeadlydiseaseseventually.4．H...
