搜索
19下Unit4LifeonMars一、复习单词表A.拼读易错单词planet,polluted,rapid,increase,passengers,uncomfortable,tasty,specially,rapidly,circle,agreement,possibility,stranger,electronicB.重点单词用法1.pollutedadj.被污染的pollutev.污染pollutionn..污染2.rapidadj.快的，迅速的—→rapidlyadv.快地，迅速地3.increasev.&n.增加，增长4.uncomfortableadj.使人不舒服的，不舒适的反义词：comfortableadj.使人舒服的,舒适的5.tastyadj.味道好的==delicious比较级：tastier最高级：tastiesttasteful有滋味的；有品位的；雅观的tasten.味道—→adj.tasteless无味的；无鉴赏力的tasty美味的6.speciallyadv.专门地，特地←--specialadj.特殊的，特别的7.comparevt..&vi.比较①compare...with...意为“把...与...比较”。Ifyoucomparehisworkwithhers,you’llfindhersiamuchbetter.②compare...to...意为“把...比作...”。Shakespearecomparedtheworldtoastage.8.agreementn.一致，同意←——agreev.同意beinagreement==agree同意Weareinagreementonthispoint.==Weagreeonthispoint.9.possibilityn.可能性←--possibleadj.可能的—→反义词：impossible10.strangern.外来者，陌生人←--strangeadj.奇怪的二、重点词组和重点句型用法A.重点词组1.airtank氧气罐2.driedfood干粮3.sleepingbag睡袋4.powerpack电源包5.bytheyear2100到2100年时6.alloveragain再；重新7.ata/thespeedof...以...的速度moveathighspeed高速运行8.intheformof...以...的形式9.thejourneytoMars到火星的旅行10.floatoffintospace漂浮到太空中11.insomeways在某些方面12.connectto...与...什么连接13.circlearound...绕...运转14.besimilarto...与...相似15.bytheway顺便问一下216.carryout开展；执行17.moveawayfrom...离开...18.afterall毕竟19.keepanEnglishdiary记英语日记20.withthedevelopmentof...随着...的发展21.therapidincreaseinpopulation飞速增长的人口22.largenumbersof...==alargenumberof...许多...修饰可数名词复数，作主语时，谓语动词用复数。number前可用large,small等修饰。以示程度。B.重点句型用法1.—Wow,I’veneverthoughtabouttravellingintospace.哇，我从未想过到太空旅行。—Meneither.我也没有。①thinkaboutdoingsth.考虑做某事②Meneither.==NeitherhaveI.2.HowdoyoulikelifeonMars?你认为火星上的生活怎么样/Howdoyoulike...?==Whatdoyouthinkof...?你认为....怎么样？3.WhatwoulditbeliketoliveonMars?住在火星上将会是什么样子呢？What+be+主语+like?....怎么样？4.Ourownplanet,theEarth,isbecomingmoreandmorecrowdedandpollutedbecauseoftherapidincreaseinpopulation.因为飞速增长的人口，我们自己的星球——地球正变得越来越拥挤，污染越来越严重。5.ThegravityonMarsisonlyaboutthree-eighthsofthatontheEarth.火星上的重力只有地球上的八分之三。①分数表达法：分子是基数词，分母是序数词，如果分子大于1，分母要用复数形式，在分子与分母之间可加连字符也可不加连字符。②分数+of+名词结构作主语时，谓语动词的单复数视of后面的名词而定，如果名词是复数，谓语动词用复数形式；如果名词是单数或不可数名词，谓语动词用单数形式。Onethirdofthewaterisdirty.Twothirdsoftheworkersinourfactoryareyoungpeople.6.ComparedwithlifeontheEarth,lifeonMarswouldbebetterinsomeways.与地球上的生活相比，火星上的生活在某些方面要好些。过去分词短语comparedwithlifeontheEarth在句中作状语。7.Everystudentwouldhaveacomputerathomeconnectedtoaninterplanetarynetwork。.每个学生家里都有一台电脑与星际网络连接。过去分词短语connectedtoaninterplanetarynetwork在句中作定语，修饰前面的computer.8.LifeonMarswouldbeinterestingaswellaschallenging.火星上的生活，不仅有挑战性，还很有趣。aswellas不但...而且，既...又注意：这一短语在译成中文时，应先译aswellas后面的内容，再译前面的。当aswellas与主语连用时，在意义上强调前者，谓语动词应与其前的主语保持一致。Heaswellashisfriendslikesgoingshopping.三、语法复习简单句和复合句之间的转换（二）1.含有状语从句的复合句与简单句之间的转换3在英语中，我们可以用attheageof,becauseof,without...等介词短语，将含有状语从句的复合句改为简单句。Helearnttoswimwhenhewaseightyearsold.→Helearnttoswimattheageofeight.Hecouldnotgotothepartybecausehehadtoomuchhomework.→Hecouldnotgotothepartybecauseoftoomuchhomework.Hecannotsolvethisproblemifhehasnohelp.→Hecannotsolvethisproblemwithouthelp.注意：转换时要注意时态和意思的一致性和准确性。2.含有宾语从句的复合句与简单句之间的转换在英语中，我们可以用of...,like...等介词短语，将含有宾语从句的复合句改为简单句。ThephotosremindmethatItravelledtotheUKfiveyearsago.→ThephotosremindmeofmytriptotheUKfiveyearsago.AreyoucertainthatTomissatisfiedwiththeplan?→AreyoucertainaboutTom’ssatisfactionwiththeplan?注意：常用的一些动词和介词的搭配有：remindsomebodyof...besure/certainabout...3.含有定语从句的复合句与简单句之间的转换在英语中，我们可以用with...,in....等介词短语，将含有定语从句的复合句改为简单句。Doyouknowthegirlwhoisholdingtwobooksinherhand?→Doyouknowthegirlwithtwobooksinherhand?ThemanwhowearsablueshirtisourEnglishteacher.→ThemaninablueshirtisourEnglishteacher.四、语篇复习A.按照课文内容填空。Atthemoment,movingtoMarsmaybedifficulttoimagine,butmanypeoplebelievethatwewillliveonthe_______Marsbytheyear2100.Ourownplanet,Earth,isbecomingmoreandmore_________and________.Itis________wecanstartalloveragainandbuilda________worldonMars._________withlifeonEarth,lifeonMarswillbebetter____manyways.Peoplewillhavemorespace.Wemanyevenliveina_______withtenbedrooms.Manypeoplebelievethat_______willdomostofourworkandthatwewillhavemoretimeto_______.B.书面表达上周，你们班以“DoYouWanttoLiveonEarthoronMars?”为题，进行了一场英语大讨论。下表是讨论的结果：所占比列观点选择居住在地球上的学生七分之五习惯了地球上的生活；食物鲜美；更容易出行和交流。选择居住在火星上的学生七分之二地球上越来越拥挤，污染越来越严重；火星上生活更轻松，将有更多的闲暇时间用于个人爱好；人们更健康，寿命更长。4请你用英语介绍这次讨论情况（100词左右，文章的开头已给出，不计入总词数）Lastweek,ourclasshadadiscussioncalled“DoYouWanttoLiveonEarthoronMars?”Hereistheresultofthediscussion._________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________范文：Lastweek,ourclasshadadiscussioncalled“DoYouWanttoLiveonEarthoronMars?”Hereistheresultofthediscuss