高中英语 Unit 21 Human Biology Lesson 1 Vocabulary教学课件 北师大版选修7.ppt

WelcometotheGameZone,Unit21Lesson1Vocabulary,Objectives,Bytheendofthelesson,studentswillbeableto:tellthemeaningsoftenwords;identifythepartsofspeechofthewordsandfindouthowtousethem;applythewordsproperlyindifferentlanguagesituations.,1.abusepulsory3.controversial4.doubtful5.enhance6.oppose7.seek8.threat9.tolerate10.violate,WordList,ChallengeI,abuse,Lastyear,severalofficialswerearrestedbecauseoftheirabusesofpower.,Lastyear,severalofficialswerearrestedbecausetheyabusedtheirpowers.,Vocabulary,oppose,Animalrightcampaignersopposekillinganimalsforfur.,Vocabulary,Animalrightcampaignersareopposedtokillinganimalsforfur.,tolerate,TherearesomebadhabitsIcannottolerate.,Vocabulary,Forexample,Icannnottoleratejumpingthequeue.,seek,Attheageof40,helefthishometownandsoughthisfortuneinBeijing.Ihadsoughttopersuadehimnotto,butinvain.Sincearrival,hehasbeenseekinglongandhardforawell-paidjob.,Vocabulary,ChallengeII,1.tolerate2.threat3.enhanced4.controversial5.violated,pulsory,ChallengeIII,ChallengeIV,上周，你班同学就“是否应该推广转基因食品”这一话题进行了讨论，同学们各抒已见。请你根据下表中的讨论记录，用英语写一篇简要的介绍，并表明你的观点。,注意：1.开头和支持方观点已为你写好，不计入词数；2.恰当并尽可能多的使用本课所学词汇；3.词数：不少于60。参考词汇：基因gene生态环境ecosystemLastweek,ourclasshadadiscussionaboutwhetherGMfoodshouldbepopularized.Opinionsaredividedontheissue.SomeclassmatessupporttheideathatGMfoodisgood.Theybelieveitenjoysahigherproductionatalowercostandthushelpstosolvetheproblemoffoodshortage.Theanti-insectandanti-virusabilityofGMplantsalsogetenhanced.Inaddition,GMfoodcomesinmanyvarieties,whicharenotaffectedbyseasonandclimate.However,However,someotherstudentsareopposedtotheidea.TheyfeeldoubtfulaboutthesafetyofGMfoodandareworriedthatitmaydoharmtopeopleshealth.Also,GMtechnologychangesthegenesinplants,soitactuallyviolatesthelawofnature.Moredangerously,suchanabuseofscienceandtechnologywillbeathreattoecosystemandmaybedestructivetootherlivingthingsinnature.,Iadmititisacontroversialissue.Inmyopinion,Iknowweshouldseekasolutionoffoodshortage,butIcannottolerateusinganytechnologyharmfultohealth.Soitiscompulsorytoconfirmitssafetybeforeitispopularized.,Assignments,1.Reviewthewordslearnttoday.2.Im