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1畅游学海敢搏风浪誓教金榜题名。决战高考，改变命运。凌风破浪击长空，擎天揽日跃龙门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.ArescientistsinagreementthatlivingonMarswouldbepossibleforhumansinthefuture?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AUsingadverbialclausesorsimplesentencesWecanrewritesomeadverbialclausesinsimplesentenceswithattheageof,becauseofandwithout.转换时要注意时态和意思的一致性和准确性。NeilArmstrongreceivedhisstudentpilot’slicenceWhenhewas16.NeilArmstrongreceivedhisstudentpilot’slicenceattheageof16.Peoplemightfloatinspacebecausethegravityisslow.Peoplemightfloatinspacebecauseofthelowgravity.2Humanscannotsurviveifthereisnofood,wateroroxygen.Humanscannotsurvivewithoutfood,wateroroxygen.Exercises1Danieliswritingaboutvisitinganotherplanet.Helphimrewritethesentencesusingthewordsinbrackets.1.NeilArmstrongtookhisfirstflightwhenhewasonlysix.(attheageof)2.YuriGagarinbecamethefirstmantogointoouterspaceattheageof30.(when)3.Peoplemightmovetoanotherplanetinthefuturebecausethepopulationontheearthisincreasingrapidly.(becauseof)4.Ifthereisnofreshfood,mealswillnotbeastastyastheyareontheearth.(without)5.ItwouldbefunnytoplayfootballonMarsbecauseofthelowgravity.(because)6.Withoutspecialboots,youcannotwalkonMars.(if…not)Keys:1.NeilArmstrongtookhisfirstflightattheageofsix.2.YuriGagarinbecamethefirstmantogointoouterspacewhenhewas30.3.Peoplemightmovetoanotherplanetinthefuturebecauseoftheincreasingrapidlypopulation.4.Mealswillnotbeastastyastheyareontheearthwithoutfreshfood.5.ItwouldbefunnytoplayfootballonMarsbecausethegravityislow.6.Ifyoudon’thavespecialboots,youcannotwalkonMars.Exercises2把下面的复合句改成简单句1.Helearnttoswimwhenhewaseightyearsold.2.Hecouldnotgotothepartybecausehehadtoomuchhomework.3.Hecannotsolvethisproblemifhehasnohelp.Keys:Helearnttoswimattheageofeight.Hecouldnotgotothepartybecauseoftoomuchhomework.Hecannotsolvethisproblemwithouthelp.BUsingobjectclausesorsimplesentencesWecanrewritesomeobjectclausesinsimplesentenceswithprepositionslike3ofandabout.常用的一些动词和介词的搭配有：remindsomebodyof…使某人想起……Besure/certainabout…对……确信ThesmellofthepillsremindsthemthatfoodontheEarthistasty.ThesmellofthepillsremindsthemofthetastyfoodontheEarth.Aretheysurethatspacetravelwillbeveryfast?Aretheysureaboutthefastspeedofspacetravel?Exercises3MillieknowslittleabouttheplanetMars.SheisaskingDanielformoreinformation.RewriteMillie’ssentencesusingthewordsinbrackets.Millie:(1)AreyouawarehowfarMarsisawayfromtheSun?Daniel:Yes.Marsisabout142,000,000milesawayfromtheSun.IttakesMarsabouttwoEarthyearstocyclearoundtheSunonce.Millie:(2)ArescientistsinagreementthatlivingonMarswouldbepossibleforhumansinthefuture?Daniel:No.Butthey’reworkinghardtolearnmoreaboutMars.Millie:(3)DotheythinkthatthelowgravityonMarsmightbeaproblem?Daniel:Yes,theydo.Millie:(4)AreyouawarethattransportcouldbelikeonMars?Daniel:ItcouldbemuchbetterthanthatontheEarth.However,scientistsaren’tsurewhetherpeoplecouldgrowplantsonMars.Millie:(5)IwonderhowmanypeoplewouldliketomovetoMars.(6)IthinkpeopleshouldknowthatlifeonMarswouldbedifferentfromthatontheEarth.1.Areyouaware_____________________________________(distance)?ofthedistancebetweenMarsandthesun2.Doscientistsagree_____________________________________(possibility)?aboutthepossibilityoflivingonMars43.Havetheythought_____________________________________(problem)?aboutthelowgravityproblem4.Areyouaware___________________________________(transport)?ofthetransportontheMars5.Iwonder_________________________________________________(number).thenumberofthepeoplewhowouldliketomovetoMars6.Ithinkpeopleshouldknow___________________________________________________(differences).thedifferencesbetweenlifeonMarsandthatonEarthMoreexercises4把下面的宾语从句改为简单句。1.ThephotosremindmethatItravelledtotheUKfiveyearsago.ThephotosremindmeofmytriptotheUKfiveyearsago.2.AreyoucertainthatTomissatisfiedwiththeplan?AreyoucertainaboutTom’ssatisfactionwiththeplan?CWecanrewritesomedefiningrelativeclausesinsimplesentenceswithprepositionslikewithandin.Peoplemightliveinhouseswhichhavehugecomfortablerooms.Peoplemightliveinhouseswithhugecomfortablerooms.OnMarsyoumightseepeoplewhowearspecialboots.OnMarsyoumightseepeopleinspecialboots.Exercise5SimoniswritingaboutMars.Rewritethedefiningrelativeclausesinsimplesentenceswithprepositionswithorin.1.Marsisaplanetthathasanenvironmentsimilartothatoftheearth._________________________________________________________________MarsisaplanetwithanenvironmentsimilartothatoftheEarth.52.AstronautswhowearspacesuitsandhelmetsmightstayonMarsforhours.___________________________________________________________________AstronautsinspacesuitsandhelmetsmightstayonMarsforhours.3.Itisdifficulttobreatheonaplanetthathasmuchthinnerairthanth