【精品】高中英语（人教大纲）第二册下：Unit11 Scientific achievements(第四课时)VIP免费

TheFourthPeriodTeachingAims:1.Learnandmasterthefollowingwordsandphrases:boom,putforward,breakthrough,agency,announce,evolution,supercomputer2.Trainthestudents’integratingskills,especiallyreadingandwritingskills.TeachingImportantPoints:1.Helpthestudentsunderstandthepassagesexactlyandmasterthefollowingwordsandphrases:putforward,aimat,announce,mapout2.Learntowriteapersuasionessaytotrainthestudents’writingability.TeachingDifficultPoint:Howtohelpthestudentsfinishthetaskofwriting.TeachingMethods:1.Fastandthencarefulreadingtoimprovethestudents’readingability.2.Learningtipstohelpthestudentslearntowriteapersuasionessay.3.Individual,pairorgroupworktomakethestudentsfinisheachtask.TeachingAids:1.themultimedia2.theblackboardTeachingProcedures:StepⅠGreetingsGreetthewholeclassasusual.StepⅡRevisionandLead-inT:Yesterday,welearnedalotaboutWordFormation.Weknowsomewordsarederivatives,somearecompounds,andothersareshortforms.Canyougivemesomeexamplesforeachwayofformingaword?Giveafewderivations,please?S1:unhappy,happiness,happily,friendship…T:Somecompounds?S2:blackboard,firefighter,hard-working,handbag…T:Someshortforms?S3:e-book,e-mail,UFO,DNA,WTO,OPEC…T:Youalldidagoodjob.Now,pleaselookatthescreenanddotheexercise.Threeminuteslater,I’llcheckyouranswers.(Showthefollowingonthescreen.)Studythesentencesandguessthemeaningofeachunderlinedword.Explainhowthewordisformed.1.Theaverageoutputofthefactoryis20carsaday.2.Shehaswrittengoodessaysbefore,butthisoneissubstandard.3.Heisakindofintellectualsuperman.4.Thelackofacommonlanguagemadeitverydifficulttointercommunicate(witheachother).5.Transplanttheseedlingsintopeatysoil.6.Haveyoureadane-book?7.WhendidChinajointheWTO?用心爱心专心18.Theyhelpedustomapoutalong-termplan.Suggestedanswers:1.output=out+put产量2.substandard=sub-+standard低于标准的，不够标准的3.superman=super-+man超人4.intercommunicate=inter-+communicate互相联系5.transplant=trans-+plant移植6.e-book=electronic+book电子图书7.WTO=WorldTradeOrganization世贸组织8.long-term=long+term长期的T:Welldone.Inthisunit,we’velearnedmuchaboutscienceandscientificachievement.CanyougiveanexampleofscientificachievementofChina?Ss:OnOct.15,2003,ShenzhouⅤwassuccessfullysentupintospace,realizingtheChinesedreamofmannedspaceflight.T:Yes.It’sreallyasignificantscienceachievement.Sincetheearly1990s,Chinahasbeenenjoyingaboominscientificandtechnologicaldevelopment.Inmanyfields,Chinahasachievedgreatsuccess.Today,we’vegoingtoreadaboutsomescientificachievementsinChina.First,let’slearnthenewwords.(Teachershowsthescreenanddealswiththenewwords.)boom/bu：m/n.（经济、工商业等的）繁荣（期），迅速发展期；（营业等的）激增putforward提出；建议；推荐△rejuvenate/rI′dｕ：ｖｎｅIｔ/vt.使返老还童；使恢复（青春）活力breakthrough/′breIk，ｒｕ：/n.（知识或技术领域的）重大突破；重大进展（发现）；（军事上的）突围△impressive/Im′presIv/adj.激动人心的；感人的；给人深刻印象的agency/′eIdｎｓI/n.（行政或职能）机构；代理机构announce/′nans/vt.宣布，宣告△genome/′di：nm/n.基因组；染色体组△element/′elImnt/n.元素；要素；组成部分evolution/ｉ：ｖ′ｌｕ：ｎ/n.发展；展开△byte/baIt/n.［计］字节；比特supercomputer/,sjuｐｋｍ′ｐｊｕｔ(r)/n.超级计算机△humanoid/′hjuｍｎId/adj.具有人的形状或特点的；类人的StepⅢReadingT:OK.NowpleaseopenyourbooksatPage7.LookatReadingandWriting.Readeachpassagequickl...