4.1 Welcome to the unit-九年级英语下册单元同步课时重点练牛津译林版

Unit4LifeonMarsWelcometotheunit一、根据句意及中、英文释义完成单词1.Whenpeopledrivemotorbikes,theymustputon_______(头盔).2.-Whatdoyouthinkoflifeon_______(火星)?-Itisinteresting,butIdon’twanttolivethere.3.Wemayneedtowearspecialbootsbecauseoftheproblemof_______(重力).4._______(除去水分的)foodcanbestoredforaverylongtimeanddoesn’tgobad.5.Theoldmancan’tbreathesmoothly;weshouldgivehimanair_______(acontainerthatholdsliquidorgas).答案：1.helmets 2.Mars 3.gravity 4.Dried 5.tank二、选择所给单词的适当形式填空pollute,sleep,little,travel,dry1.Ineverthinkabout_______intospace.2.Therewillbeless_______onMarsthanontheEarth.3.Iwanta_______bagforthecomingtrip.4.-Haveyoutakenanythingtoeatonthetrip?-Yes.Ihavetakensome_______food.5.Weneedtowearspecialbootstomakeusheavierbecausethereis_______gravityontheMoonthanontheEarth.答案：1.travelling 2.pollution 3.sleeping 4.dried 5.less三、选择所给动词的适当形式填空discuss,travel,watch,dry,live1.-Doyoubelievethatbytheyear2050manypeople_______onMars?-Yes.2.Mybrotherhated_______TV,butnowheisacouchpotato.3.Ourteachertoldusthatlight_______muchfasterthansound.4.Thestudents_______whatlifeonMarswillbelikeinthefuturenow.5.Ithink_______foodisnottastierbuteasiertocarrywhenyougohiking.答案：1.willlive 2.watching 3.travels 4.arediscussing 5.dried四、单项选择()1.-WhydoestheEarthlookbluefromspace?-BecausemostoftheEarth’ssurface_______withwater. A.covers B.iscovered C.cover D.arecovered()2.I_______Linda’scousin_______Canada.Infact,heisAmerican. A.thought,isfrom B.think,wasfrom C.thought,wasfrom D.think,isfrom()3.-Ithinkwashinghandseverydayisgood_______ourhealth.-Yes.Iagree_______you.A.to,to B.with,to C.for,with D.at,with()4.MarsBaseICampwasbuiltinJinchang,Gansu,toletyoungpeopleexperiencefor_______. -Tom. A.it B.them C.itself D.themselves()5.-Theweatherreportsayswecanexpectasunnydaytomorrow.-_______.Iamgoingtogoclimbingwithmyclassmates. A.Badluck B.Ihopeso C.Soundsterrible D.I’mafraidso答案：1-5BCCDB五、完成句子1.我可以问你一个关于氧气罐的问题吗？CanIaskyouaquestionabout____________________?2.我从来没有考虑过在城里买房子。Ihavenever_______________ahouseintown.3.我们可能需要一些新的睡袋。Wemightneed____________________.4.由于重力问题，在火星上我们将不得不穿特殊的靴子。___________________thegravity,wewould______________onMars.5.你能想象未来我们的生活会是什么样子吗？Canyouimagine________________________inthefuture?答案：1.theairtank 2.thoughaboutbuying3.somenewsleepingbags 4.Becauseof,havetowearspecialboots5.whatourlifewouldbelike六、根据短文内容及首字母提示完成单词WehavealwaysbeeninterestedintheMoon.2,000yearsago,peoplealreadyknewitm___1____aroundtheEarthandwhereitisintheskyatdifferenttimesoftheyear.Atthattime,everythingabouttheMoonwaslearnedbywatchingitc___2____inthesky.Whenscientistscouldusetelescopes(望远镜)tostudytheMoonmoreclearly,theirideasbegantochange.TheycouldseetheMoonwasmadeofr___3____.MostscientiststhoughtrocksontheMoonwouldbedifferentfromthoseontheEarth.ThiswasbecausetheybelievedtheMoonhadoncebeenaplanetthathadbeencaughtintheEarth’sg___4____millionsofyearsearlier.In1969,moonrockswerefinallybroughttotheEarthands___5____.Muchtotheirsurprise,scientistsfoundthat,exceptforwater,theMoonandtheEarthweremadeofthes___6____things.Onceagainnewideaswereneededforthisnewinformation.Afteryearsofstudy,mostscientistsnowthinkt____7___theMoonwasoncepartoftheEarth.Theybelieveveryearlyinitshistory,maybe4billionyearsago,somethingaboutthesizeofMarsh___8____theEarth.Thissentbillionsofrocksintospacearoundourp___9____.TheserocksslowlyjoinedtogetherandaftermanyyearsbecametheMoon.Inthefuture,eventhoughourideasabouttheMoonmaychangeagain,wewillstillbei___10____in