九年级英语下册 Unit 1 Life on Mars Grammar教案 牛津版.doc

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1、LifeonMarsGrammarTeachingaims:Masterconversionbetweensimplesentenceandcomplexsentence.Teachingprocedures:Step1Presentsomenewwords.awareadj.知道，意识到e.g.AreyouawarehowfarMarsisawayfromthesun?circlevt.围绕，将一圈起来e.g.IttakesMarsabouttwoEarthyearstocirclearoundtheSunonce.agreementn.一致，同意e.g.Aresci

2、entistsinagreementthatlivingonMarswouldbepossibleforhumansinthefuture?distancen.距离，远处e.g.AreyouawareofthedistancebetweenMarsandthesun?possibilityn.可能性e.g.DoscientistsagreeaboutthepossibilityoflivingonMars?Step2Explanation简单句和复合句的转换我们可以用介词短语把状语从句转换成简单句，我们可以用介词把宾语从句和定语从句转换成简单句AUsingadverbi

3、alclausesorsimplesentencesWecanrewritesomeadverbialclausesinsimplesentenceswithattheageof,becauseofandwithout.转换时要注意时态和意思的一致性和准确性。NeilArmstrongreceivedhisstudentpilot’slicenceWhenhewas16.NeilArmstrongreceivedhisstudentpilot’slicenceattheageof16.Peoplemightfloatinspacebecausethegravityiss

4、low.Peoplemightfloatinspacebecauseofthelowgravity.Humanscannotsurviveifthereisnofood,wateroroxygen.Humanscannotsurvivewithoutfood,wateroroxygen.Exercises1Danieliswritingaboutvisitinganotherplanet.Helphimrewritethesentencesusingthewordsinbrackets.1.NeilArmstrongtookhisfirstflightwhenhewas

5、onlysix.(attheageof)2.YuriGagarinbecamethefirstmantogointoouterspaceattheageof30.(when)3.Peoplemightmovetoanotherplanetinthefuturebecausethepopulationontheearthisincreasingrapidly.(becauseof)4.Ifthereisnofreshfood,mealswillnotbeastastyastheyareontheearth.(without)5.Itwouldbefunnytoplayfo

6、otballonMarsbecauseofthelowgravity.(because)6.Withoutspecialboots,youcannotwalkonMars.(if…not)Keys:1.NeilArmstrongtookhisfirstflightattheageofsix.2.YuriGagarinbecamethefirstmantogointoouterspacewhenhewas30.3.Peoplemightmovetoanotherplanetinthefuturebecauseoftheincreasingrapidlypopulation

7、.4.Mealswillnotbeastastyastheyareontheearthwithoutfreshfood.5.ItwouldbefunnytoplayfootballonMarsbecausethegravityislow.6.Ifyoudon’thavespecialboots,youcannotwalkonMars.Exercises2把下面的复合句改成简单句1.Helearnttoswimwhenhewaseightyearsold.2.Hecouldnotgotothepartybecausehehadtoomuch