人教版高中英语课件：Unit 2 Where Is It Leading Us.ppt

unit2 cloning whereisitleadingus jintaiseniorhighschool dukun dolly是世界上第一例用体细胞 乳腺上皮细胞 通过细胞核移植技术 在复杂的人工操作下 得到的一只小绵羊 2002年4月16日美国第一头克隆牛 艾米 产下牛犊喜作妈咪 aclonedox 2002年5月中旬成功地繁殖了一只胚胎细胞克隆兔 aclonedrabbit 第一只克隆猫thefirstclonedcat 克隆马及其 母亲兼姐姐 aclonedhorse 克隆的荧光小猪 左 和正常小猪 右 aclonedpig cloningisawayofmakinganexactcopyofanotheranimalorplant whatiscloning thedefinitionofcloning exacttwincommercialstraightforwardundertakebreakthroughprocedurecarrier adj 精确的 准确的n 双胞胎之一adj 成对的 成双的adj 商业的 贸易的adj 简单的 坦率的vt 着手 从事 承担n 突破n 程序 步骤 手续n 携带者 搬运工 运输工具 wordspreview castaltogetherarbitrarycorrectionobjectobjectionmediumthemediaobtain vt 扔 投 掷adv 总共 完全地adj 任意的n 改正 纠正 修正vi 反对 不赞成n 不赞成 反对 异议n 媒介 手段 工具大众传播媒体vt 获得 赢得 wordspreview attainmoralconservativeforbidaccumulate vt 获得 到达adj 道德 上 的 伦理的adj 保守的 守旧的vt 禁止 不准vt 积累 聚积 wordspreview payoffcastdownobjecttoinfavourof 得到好结果 取得成功 偿清沮丧 不愉快反对赞成 支持 carefulreadingtrytounderstandthetextasmuchaspossible 1 whatisthemaintopic a cloning b dollythesheep c itwillleadustosomeplaces 2 whatisthewritingstyle a expositive b descriptive c argumentative 3 themainideaofthetextis a animalcloningisveryvaluableandcanbenefittheworld b animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden c animalcloningiswelldevelopedbecausedollythesheepwasborn d animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture 4 itcanbeinferredfromthepassagethataclonedanimal a usuallylivesaslongastheoriginaloneb usuallyliveslongerthantheoriginalonec usuallylivesshorterthantheoriginaloned isusuallyashealthyastheoriginalone 5 thecloningofdollythesheepsucceededbecause a it seasiertocloneasheepthanotheranimalsb thescientistsweredeterminedandworkedhardwithpatiencec thescientistswererewardedandgotlotsofmoneyd manyotherattemptstoclonemammalsfailed 6 whichofthefollowingisnotanadvantageofcloning cloningcanbeusedformedicalpurposes largequantitiesoffoodcanbeproducedbycloning cloningcanhelpkeepanimalsfrombecomingextinct peoplecanclonethemselvesatwill 1 whatisthemaintopic a cloning b dollythesheep c itwillleadustosomeplaces 2 whatisthewritingstyle expositive 说明性的 descriptive 描述性的 c argumentative 议论性的 post reading choosetherightansweraccordingtothetext 3 themainideaofthetextis a animalcloningisveryvaluableandcanbenefittheworld b animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden c animalcloningiswelldevelopedbecausedollythesheepwasborn d animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture 4 itcanbeinferredfromthepassagethataclonedanimal a usuallylivesaslongastheoriginaloneb usuallyliveslongerthantheoriginalonec usuallylivesshorterthantheoriginaloned isusuallyashealthyastheoriginalone 5 thecloningofdollythesheepsucceededbecause a it seasiertocloneasheepthanotheranimalsb thescientistsweredeterminedandworkedhardwithpatiencec thescientistswererewardedandgotlotsofmoneyd manyotherattemptstoclonemammalsfailed 6 whichofthefollowingisnotanadvantageofcloning cloningcanbeusedformedicalpurposes largequantitiesoffoodcanbeproducedbycloning cloningcanhelpkeepanimalsfrombecomingextinct peoplecanclonethemselvesatwill scanningtogetdetailinformation scanning listentothepassageagainandanswerthesequestions 1whatarethetwomajorusesofcloning 2whyisiteasiertomakecommercialplantclonesthananimalclones 3whatwasthefirstclonefromanadultanimal atwhatagedidthisclonedie 4whyiscloningcontroversialinsomecountries 1whatarethetwomajorusesofcloning 2whyisiteasiertomakecommercialplantclonesthananimalclones thefirstuseistoproducecommercialquantitiesofplants thesecondistoresearchonnewplantspeciesanddomedicalresearchonanimals cloningplantsisstraightforward butthecloningofanimalsisverycomplicated 3whatwasthefirstclonefromanadultanimal atwhatagedidthisclonedie 4whyiscloningcontroversialinsomecountries thefirstclonefromanadultanimalwasdollythesheep shediedin2003 cloningiscontroversialinsomecountriesformoralandreligiousreasons readthepassagequicklytofindthemainideaofeachparagraph while reading findthemainideaofeachparagraph 1 cloningis 2 cloninghas uses 3 the ofdolly 4 the ofdolly 5 people s towardscloning awayofmakinganexactcopyofanotheranimalandplant problems twomajor effect attitude whatdoyouthinkisthewriter spointofviewinthisreadingpassage isitinfavourofcloningoragainstit ithinkthewriteris b