九年级英语下册 unit 4 life on mars grammar导学案（新版）牛津版

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1、LifeonMars班级__________姓名__________学号__________【学习目标】知识点词汇：单词见词汇表P82；词组见课前预习翻译词组。句型：IttakesMarsabouttwoEarthyearstocirclearoundtheSunonce.ArescientistsinagreementthatlivingonMarswouldbepossibleforhumansinthefuture?DoscientistsagreeaboutthepossibilityoflivingonMars?重难点A.Rewritesomeadverbial

2、clauseinsimplesentenceswithprepositionalphrases.1).Shestartedtolearndrawingwhenshewasseven.(变成简单句)Shestartedtolearndrawing.2).Hecouldn’tgotothepartybecausehehadtoomuchhomework.Hecouldn’tgototheparty.3).Hecan’tsolvethisproblemifhehasnohelp.Hecan’tsolvethisproblem.4).Theboycan’tcometoschool

3、becauseheisill.Theboycan’tcometoschool.2.Rewritesomedefiningrelativeclauseswithprepositionalphrases.1)Iamsurethattheconcertticketswillbeexpensive.Iamsurethehighpricefortheconcerttickets.2)ThephotosremindmethatItravelledtotheUKfiveyearsago.ThephotosremindmemytriptotheUKfiveyearsago.3.Rewri

4、tesomeobjectclausesinsimplesentenceswithprepositionalphrases.1).Herecomesatallmanwhichhasabookunderhisarm.Herecomesatallman.2).OnMarsyoumightseepeoplewhowearspecialboots.OnMarsyoumightseepeople.【课前预习】读一读预习课文，读读P56-58页的句子。找一找翻译词组1.地球上的人口___________________2.飞行员执照_____________________3.飘浮在太

5、空中_____________________4.第一个进入太空的人____________5.和…相似_________________________6.背着氧气罐_____________________7.由于低重力_______________________8.如果没有特殊的靴子______________9.顺便说一下________________________10.迅速上升_______________________试一试1.火星绕太阳一次要花两个地球年。IttakesMarsabouttwo______________to_______around

6、theSun_______.2.你能否告诉我重力在火星上对于人类是否是个问题？Canyoutellme_______thelow_______onMarsisa_______forhumansornot?3.在比地球空气稀薄很多的星球上呼吸是一件很困难的事。Itisdifficultto_______onaplanetwithmuch_______airthan_______ontheEarth.4.这个问题可能会通过建设室内运动场而解决。Maybethisproblemcouldbesolved_____________________playgrounds.【课堂活动

7、】1.Revisethreekindsofclauses.2.Changethemintosimplesentenceswithprepositionalphrases.3.CompletetheexerciseonP56-P58.【学习检测】一．改写句子1.Ican’tworkouttheMathsproblemifyoudon’thelpme.Ican’tworkouttheMathsproblem.2.IfIdon’thavearest,Ican’twalkfurther.Ican’twalkfurther.3.Heco