九年级英语下册 unit1 life on mars main task教案 牛津译林版

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1、Unit1lifeonMarsMainTask第一部分简要提示一、年级：九年级二、教学内容：9BUnit1LifeonMars三、课型：中心任务课四、教学目标1知识目标学会和掌握流程图的制作方法,为写作做准备。2能力目标1)能根据主题设计流程图。2)能根据流程图写一篇文章。五、教学重难点1重点指导学生根据主题来选取写作所需信息，设计写作流程图。　2难点指导学生如何将流程图列出的信息扩展成文。第二部分教学流程用时：20分钟Step1Lead-in用时：分钟（出境）T:Hello,everyone.Nicetoseeyouagain.Todaywearegoingtolear

2、nMainTask.(大家好，很高兴又和大家见面了！今天我们一起来学习中心任务部分)。DanielwantstomakeaguidetolivingonMarsin2100，butheneedshelp.Beforewehelphimwiththeguide,letmeremindyouoftheinformationwe’veknownaboutMars.(Daniel梦想着有一天搬去火星。现在他想做一份2100年到火星上生活的指南.在我们帮助他一起做指南之前，让我们一起来回顾一下所学火星的信息。)(PPT)Step2用时：分钟T:Boysandgirls,we’vel

3、earnedalotaboutMars.Canyousaysomethingaboutitaccordingtothekeywords?Let’sstart.TaskOneHowmuchdoyourememberaboutMars?(PPT)1Temperature:-133℃--27℃2Color:red3Moons:Phobos,Deimos4Size:aboutone-halfthediametreofEarth5Location:betweenEarthandJupiter6DistancefromtheSun:142,000,000milesaway7Oneye

4、aronMars:687Earthdays8Surface:alittlelikethesurfaceofEarth9Atmosphere:95%carbondioxideT:Fromthereadingwe’veknownthatlifeonMarsisverydifferentfromthatonEarth.AnddoyoustillrememberwhatchangesmaybringtolifeonMars?Saysomethingabouteachkeywords.Let’sseewhohasagoodmemory.TaskTwoAboutlifeonMars(

5、PPT)1Transport:spaceshuttlesinsteadofspacecraft…2Food,water,air:developplantstoproduce…3Gravity:three-eighthsofthatonEarth,flyawayintospacespecialboots…4.Home:inadomewithtenbedroomsandrobotsdomostwork…5.School:onlineschools,e-teacher,computersconnectedtointerplanetarynetwork…T:Somanypeopl

6、ethinkit’sbettertomoveonMarsbecausetherearesomanyadvantages.,buttherearesomedisadvantagestoo.Canyouhelpmeaboutthetwosidesagain.TaskThreeAdvantagesanddisadvantagesoflivingonMars.(PPT)Advantages※It’snotcrowdedorpolluted.※Thetransportismoreconvenient.※Peoplewillwearfashionableboots.※Peoplewi

7、llhavemorespace.※Robotswilldomostofourwork.※We’llhavemoretimeforhobbies.※Studentswillstudyinonlineschools.Disadvantages※Lowgravitywillbedangerous.※Fooddoesnottastegood.※Spacetravelmakepeoplefeelill/sick.※It’stoocoldtostayoutside.※It’stoofarawayfromfriendsonEarth.T:I