第二课时教学设计教材分析TopicIstherelifeoutinspace?AimsTounderstandthepassageaboutspacetravelinvolvingthepresentperfecttenseTowriteaboutspacetravelusingthepresentperfecttenseKeyvocabulary：planet,alone,also,part,light,beyond,cost,prefer,none,environment,airKeystructures：Thepresentperfecttensewithjust,already,yetTasksDiscussionandmakingasciencereportWritingGrammarThepresentperfecttense课时教学目标Tobeabletoreadthepassagecarefullyandanswerthequestionscorectly.Tobeabletosummariseapassage.Tobeabletodescribeapictureusingthepresentperfect.教学重点与难点Learntousethepresentperfect.教学辅助Multi-media,thecardsofplanets,taperecorder,video教学方法PWP教学内容教学活动设计意图教师活动学生活动Step1:Lead-inTshowsthepicturesaboutE.T.andspaceships.Ssshouldanswerquestionsaboutthem.AndtalkaboutsomethingaboutShenzhou-9toknowabouttheachievementsthatwehavemade.Theycanworkingrouptotalkaboutthem.通过观看外星人和宇宙飞船相应的图片，引起学生学习本课内容的兴趣，讨论外星人的长相、来到地球的方式以及外星人是否真的存在等问题，活跃课堂气氛。了解我们中国在太空探索方面所取得的成就，增强学生的民族意识和民族自豪感。Step2:ReadingBeforereadingTshowafewpicturesaboutplanets,stars,solarsystem，galaxiesanduniverse,andtalkabouttherelationshipamongthemingroup.T:Canyouorderthewordsandexpressionsfromthesmallesttothelargest？A.galaxyB.planetC.solarsystemD.starE.UniversePutthemintherightorder.简单介绍一下天体的关系，将行星，恒星，太阳系，星系和宇宙按照大小进行排序，有助于学生了解文章内容。Step3:FastreadingReadthepassagequicklyinsilienceandchoosethebesttitleforit.1.Anyoneoutthere?2.LifeonEarth3.Thesunandotherstars4.Thestarsatnight培养学生快速阅读和对文章的理解能力。Step4：carefulreadingReadeveryparagraphcarefullyinsilenceandanswerthequestionsforeachparagraph.g:1.Howlonghastherebeenlifeontheearth?2.Whatiscalledthesolarsystem?Whatisit?3.Whyisitimpossibletoimaginehowlargetheuniverseis?Becausetheyarevery_________andtheirlight______travelformanyyearstoreachus.4.Scientistshave______spacshipstotheplanetMarsto____________.Theyhaveevensentspaceshipsto______________thesolarsystem.However,nospaceshiphastravelled___________toreachotherstarsinourGalaxy.快速阅读只能让学生大体了解文章的简要内容，通过精读每段并回答相应的问题来认真了解每段的内容，从而从整体上全面了解文章内容。默读的形式符合