Unit4LifeonMarsGrammar课件牛津译林版九年级英语下册

九年级·英语·译林版·全一册Unit4LifeonMarsGrammar

1.能记住并正确运用本节课词汇aware，circle，agreement，distance，possibility，alien，doubt，stranger。2.知道如何把时间状语从句、原因状语从句和条件状语从句转化成简单句。3.懂得如何把宾语从句和定语从句转化成简单句。一、词汇记忆1.知道，意识到

aware

2.将……圈起来

circle

3.一致，同意

agreement

4.距离，远处

distance

5.可能性

possibility

awarecircleagreementdistancepossibility6.外星人

alien

7.疑惑，疑问

doubt

aliendoubt8.陌生人

stranger

9.在……岁时

at

the

age

of...

10.与……不同

be

different

from...

11.顺便问一下

by

the

way

strangerat

the

age

of...be

different

from...by

the

way

举例复习本课的几种类型的从句，让学生判断是哪种从句并翻译。1.PeoplemightmovetoanotherplanetinthefuturebecausethepopulationontheEarthisincreasingrapidly.(becauseof)______________________________________________________________________________________________________________________2.Ifthereisnofreshfood,mealswillnotbeastastyastheyaretoday.(without)___________________________________________________________3.ItwouldbefunnytoplayfootballonMarsbecauseofthelowgravity.(because)___________________________________________________________4.Withoutspecialboots,youcannotwalkonMars.(if…not)___________________________________________________________PeoplemightmovetoanotherplanetinthefuturebecauseoftherapidincreaseinpopulationontheEarth.Withoutfreshfood,mealswillnotbeastastyastheyaretoday.ItwouldbefunnytoplayfootballonMarsbecausethegravityislow.Ifyoudonotwearspecialboots,youcannotwalkonMars.UsingobjectclausesorsimplesentencesWecanrewritesomeobjectclausesinsimplesentenceswithprepositionslikeofandabout.ThesmellofthepillsremindsthemthatfoodontheEarthistasty.ThesmellofthepillsremindsthemofthetastyfoodontheEarth.Aretheysurethatspacetravelwillbeveryfast?Aretheysureaboutthefastspeedofspacetravel?

MillieknowslittleabouttheplanetMars.SheisaskingDanielformoreinformation.RewriteMillie'ssentencesusingthewordsinbrackets.▲Millie:(1)AreyouawarehowfarMarsisawayfromtheSun?Daniel:Yes.Marsisabout142,000,000milesawayfromtheSun.IttakesMarsabouttwoEarthyearstocirclearoundtheSunonce.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)?2.Doscientistsagree_____________________________________________________(possibility)?3.Havetheythought___________________________________(problem)?4.Areyouaware______________________________________(transport)?5.Iwonder___________________________________________(number)?6.Ithinkpeopleshouldknow______________________________________________________(differences).ofthedistancebetweenMarsandtheSunonthepossibilityofhumanslivingonMarsinthefutureabouttheproblemoflowgravityonMars

thenumberofpeoplewillingtomovetoMars

ofthetransportonMarsthedifferencesbetweenlifeonMarsandthatontheEarthDanieliswritingaboutvisitinganotherplanet.Helphimrewritethesentencesusingthewordsinbrackets.1.NeilArmstrongtookhisfirstflightwhenhewasonlysix.(attheageof)_____________________________________________2.YuriGagarinbecamethefirstmantogointoouterspaceattheageof27.(when)__________________________________________________________________________________________3.Peoplemightmovetoanotherplanetinthefuturebecausethepopulationontheearthisincreasingrapidly.(becauseof)__________________________________________________________________________________________NeilArmstrongtookhisfirstflightattheageofsix.YuriGagarinbecamethefirstmantogointoouterspacewhenhewas27.Peoplemightmovetoanotherplanetinthefuturebecauseoftheincreasingrapidlypopulation.UsingobjectclausesorsimplesentencesWecanrewritesomeobjectclausesinsimplesentenceswithprepositionslikeofandabout.e.g.ThesmellofthepillsremindsthemthatfoodontheEarthistasty.=ThesmellofthepillsremindsthemofthetastyfoodontheEarth.Aretheysurethatspacetravelwillbeveryfast?=Aretheysureaboutthefastspeedofspacetravel?Attention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beawareof…意识到……1.用介词短语把宾语从句转换为简单句。某些动词后的宾语从句,可以转换为“介词+动名词(短语)”的形式。Heinsistedthatheshouldgowithus.→Heinsistedongoingwithus.他坚持要和我们一起去。Thepoorboydoesn’tknowwhenandwherehewasborn.→Thepoorboydoesn’tknowthetimeandtheplaceofhisbirth.那个可怜的男孩不知道他出生的时间和地点。2.用介词短语把定语从句转换为简单句。

如果定语从句中的谓语动词have表示“有”的含义,从句可转换成由with构成的介词短语作后置定语。Heisamanwhohasalotofmoney.→Heisamanwithalotofmoney.他是个有钱人。1.Ifthereisnofreshfood,mealswillnotbeastastyastheyareontheearth.(without)__________________________________________________________________________________________2.ItwouldbefunnytoplayfootballonMarsbecauseofthelowgravity.(because)__________________________________________________________________________________________3.Withoutspecialboots,youcannotwalkonMars.(if…not)__________________________________________________________________________________________Mealswillnotbeastastyastheyareontheearthwithoutfreshfood.ItwouldbefunnytoplayfootballonMarsbecausethegravityislow.Ifyoudon’thavespecialboots,youcannotwalkonMars.MillieknowslittleabouttheplanetMars.SheisaskingDanielformoreinformation.RewriteMillie’ssentencesusingthewordsinbrackets.1.Areyouaware_________________________________(distance)?2.Doscientistsagree_____________________________(possibility)?3.Havetheythought_____________________________(problem)?4.Areyouaware________________________________(transport)?5.Iwonder_________________________________________________________________________(number).6.Ithinkpeopleshouldknow_________________________________________________________(differences).ofthedistancebetweenMarsandthesunaboutthepossibilityoflivingonMarsaboutthelowgravityproblemofthetransportonMarsthenumberofthepeoplewhowouldliketomovetoMarsthedifferencesbetweenlifeonMarsandthatonEarth1.ThesmellofthepillsremindsthemthatfoodontheEarthistasty.ThesmellofthepillsremindsthemofthetastyfoodontheEarth.2.Aretheysurethatspacetravelwillbeveryfast?Aretheysureof/aboutthefastspeedofspacetravel?Rules:Whenrewritingsomeobjectclauses,prepositionssuchasofandaboutwillbehelpful.

常用的一些动词和介词的搭配：remindsb.使某人想起objectclauses(宾语从句)simplesentencesbeaware...知道，意识到

besure/certain...

对...确信beindoubt...

怀疑wonder...

想知道agree...

同意of/about...ofofof/aboutaboutaboutwithC.UsingdefiningrelativeclausesorsimplesentencesWecanrewritesomedefiningrelativeclausesinsimplesentenceswithprepositionslikewithandin.e.g.Peoplemightliveinhouseswhichhavehugecomfortablerooms.=Peoplemightliveinhouseswithhugecomfortablerooms.OnMarsyoumightseepeoplewhowearspecialboots.=OnMarsyoumightseepeopleinspecialboots.1.Marsisaplanetthathasanenvironmentsimilartothatoftheearth.________________________________________________________________________________________________2.AstronautswhowearspacesuitsandhelmetsmightstayonMarsforhours.________________________________________________________________________________________________3.ItisdifficulttobreatheonaplanetthathasmuchthinnerairthanthatontheEarth.______________________________________________________________________________________________4.OnMarstheremightbepeoplewhocarryairtanksontheirbacks.______________________________________________________________________________________________MarsisaplanetwithanenvironmentsimilartothatoftheEarth.AstronautsinspacesuitsandhelmetsmightstayonMarsforhours.ItisdifficulttobreatheonaplanetwithmuchthinnerairthanthatontheEarth.OnMarstheremightbepeoplewithairtanksontheirbacks.1.Areyouaware______________________________________(distance)?2.Doscientistsagree_____________________________________________________(possibility)?3.Havetheythought___________________________________(problem)?4.Areyouaware______________________________________(transport)?5.Iwonder___________________________________________(number)?6.Ithinkpeopleshouldknow_________________________________________________________________(differences).ofthedistancebetweenMarsandtheSunonthepossibilityofhumanslivingonMarsinthefutureabouttheproblemoflowgravityonMarsaboutthenumberofpeoplewhowouldliketomovetoMarsofthetransportonMarsaboutthedifferencesbetweenlifeonMarsandthatontheEarthAbouttheplanetMarsDearaliens,Humansarethinkingaboutmovingtoanotherplanet(1)

becausethepollutionontheEarthisveryserious.Manypeopledonotdoubt(2)

thatlifeonMarswouldbeveryinteresting,butIamnotsure.WecouldnotplayfootballonMars(3)

becauseofthelowgravity.Lifewouldbeboringforme(4)

ifIcouldnotplayfootball.Maybethisproblemcouldbesolvedbybuildingindoorplaygrounds(5)

whichhavethesamefootballfieldsasthoseontheEarth.Bytheway,wouldstrangersbewelcome?Ihopetohearfromyousoon.SimonbecauseoftheveryseriouspollutionontheEarth.abouttheinterestinglifeo