九年级英语下册 Unit 4 Life on Mars Reading II教学设计 （新版）牛津版-（新版）牛津版初中九年级下册英语教案VIP专享VIP免费

Unit4教学内容英语（九年级下册）9BUnit4ReadingII教学项目Newwords:planet,crowded,polluted,rapid,increase,passenger,uncomfortable,oxygen,tasty,specially,float,compare,interplanetary,network,challenging,rapidly,alloveragain,ata/thespeedof,intheformof,compareto/withNewstructure:Foodwouldmostprobablyintheformofpillsandwouldnotbesotasty.ThegravityonMarsisonlyaboutthree-eighthsofthatontheEarth.ComparedwithlifeontheEarth,peoplewouldhavemorespace.教学方法任务型教学法教学目标Bytheendofthelesson,studentsshouldbeableto:1.mastertheusageofkeywords,phrasesandsentences;2.comparethelifeontheEarthwiththatonMars;3.knowtheimportanceofprotectingtheEarth.教学重点1.Furtherunderstandingofthetext.2.Languagepoints.教学难点Furtherunderstandingofthetext.运用任务了解火星上的恶劣环境及人类生存的基本条件，增强保护地球的意识。教学过程时间教学步骤教师活动学生活动教学目的Step1Lead-inStepShowsomebeautifulpicturesandourownplanetEarth.Ssenjoythepictures.在音乐声中欣赏图片，激发学生对美2PresentationAskandanswer.1.T:WhywillweleaveourownplanetEarth?S:Earthisbecomingmoreandmorecrowdedandpollutedbecauseoftherapidincreaseinpopulation.moreandmore加强程度，表示越来越……Thestructureis“comparative+comparative”.e.g.youngerandyounger,fasterandfaster,betterandbetter,moreandmorecareful,moreandmorecomfortableT:Let’smakesomesentencestopraiseyourpartnerwiththisstructure.2.T:HowlongdoesthespacecraftneedtogettoMarsatpresent?S:Ittakesmonths.BecauseourspacecraftaretooslowtocarrylargenumbersofpeopletoMarsatpresent.too+adj.+todo/...so...that...can’t..../...adj.Learnthelanguagepointsbytalkingaboutthequestions.Learnthelanguage好大自然及地球的热爱。通过问题的创设与回答，自然引出知识点，并通过翻译短语、自主造句等方式加以理解、巩固。在语境中讨论、学Step3Analysis+enoughtodo…e.g.Sandy太年轻了而不能去上学。Sandyistooyoungtogotoschool.Sandyissoyoungthatshecan’tgotoschool.Sandyisnotoldenoughtogotoschool.3.T:HowlongdoesthespacecraftneedtogettoMarsinthefuture?S:Bytheyear2100,thejourneymightonlytakeabout20minutesinspacecraftthattravelatthespeedoflight.e.g.Thespeedofthelightis300,000,000meterpersecond.Thecarsaredrivingathighspeed.Weshouldmoveatthespeedof100kilometersperhour.1.LifeonMarsT:HowmanyaspectsdoesthearticletellusaboutthelifeonMars?Whatarethey?S:Fiveaspects.Theyareaboutfood,gravity,houses,freetimepointsbytalkingaboutthequestions.习语言点。通过对文本的整合、理解进行归纳总结，并为语言点的教学埋下伏笔。Step4DiscussionStep5Homeworkandschools.T:DescribelifeonMarsfromthefiveaspects.Food:Foodwouldmostprobablyintheformofpillsandwouldnotbesotasty.Gravity:ThegravityonMarsisonlyaboutthree-eighthsofthatontheEarth.Houses:ComparedwithlifeontheEarth,peoplewouldhavemorespace.Freetime:Robotswoulddomostoftheirworksothattheycouldhavemoretimetorelax.Schools:Everystudentwouldhaveacomputerconnectedtoaninterplanetarynetwork.Languagepoints:(1)intheformof“以……的形式”—Wouldyoulikethefoodintheformofpills?—Ofcoursenot.Ihateeatingpillssofar.(2)three-eighths“八分之三”,基数词表示分子，序数词表示分母。如Sshaveadiscussioningroups.通过问答带出含有语言点的句子。让学生找出每句的知识点，老师归纳总结。让学生了解火星上的恶劣环果分子大于1，分母要用复数形式。Three-fifths（五分之三）ofthestudentsinmyclassaregirls.(3)comparedwith/to“与……相比较”—Icomparedthefirstreportwiththesecond.—Youdidagoodjob.(4)sothat“以便”，表目的Weshouldplantmoretreessothatwecanhaveabetterenvironment.(5)haveacomputerconnectedto…过去分词短语作后置定语—Whatdoyoureadinyoursparetime?—ThebookswrittenbyHanHanaremyfavourite.1.Couldhumanssurviveonmarswithoutwater,oxygenorfood?2.CanyouthinkofsomesuggestionstoprotecttheEarth?1.Rememberthenewwords,phrasesandsentences.2.Retellthearticle.境及人类生存的基本条件，通过讨论让学生增强保护地球的意识。教学反思