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Canyourememberthesewordscorrectly?1.吉他2.宇航员3.比较4.开发，发展→n.5.漂浮6.移居者7.拥挤的8.专门地，特地9.药片1.guitar2.astronaut3.compare4.develop→development5.float6.settler7.crowded8.specially9.pillCanyourememberthesewordscorrectly?10.机器人11.大气，空气12.想象，设想13.重力14.交通工具15.氧气16.帐篷17.讨论(n.)→v.18.人口10.robot11.atmosphere12.imagine13.gravity14.vehicle15.oxygen16.tent17.discussion→discuss18.populationCanyourememberthesewordscorrectly?19.行星20.外星人21.表面22.被污染的→v./n.23.流行的，时髦的→n.24.令人愉快的25.航天飞机19.planet20.alien21.surface22.polluted→pollute,pollution23.fashionable→fashion24.enjoyable25.spaceshuttleSomeusefulphrasesandexpressions:1.居住在火星上liveon(theplanet)Mars2.搬到火星上movetoMars3.到2100年时bytheyeartwenty-onehundred4.变得越来越拥挤和污染becomemoreandmorecrowdedandpolluted5.在火星上建一个更加美好的世界buildabetterworldonMars6.目前，现在（2）atpresent,atthemoment7.大量的人，许多人largenumbersofpeople8.以光速一半的速度旅行travelathalfthespeedoflight9.早期的移居者们theearlysettlers10.地球重力的八分之三three-eighthsofthegravityonEarth11.漂浮进入太空floatawayintospace12.穿特制的靴子来使得他们自己更重些wearspecialbootstomakethemselvesheavier13.与地球上的生活相比较comparewithlifeonEarth14.有更多的空间havemorespace15.有更多的时间来弄我们的业余爱好havemoretimeforourhobbies16.与行星间网络相连接的一台电脑acomputerconnectedtoaninterplanetarynetwork17.在网上学校进行考试takeexamsatonlineschools18.在许多方面/在某些方面，在某种程度上inmanyways/insomeways19.以药片的形式(be)intheformofpills20.人类需要食物、空气和水来生存。Humansneedfood,waterandairtosurvive.21.将会有各种各样的设计来供定居者们从中选择。Therewillbevariousdesignsforsettlerstochoosefrom.22.许多人相信，在火星上，机器人会做大部分工作。ManypeoplebelievethatrobotswilldomostofourworkonMars.23.太空旅行会使很多人感到不舒服。Spacetravelwillmakemanypeoplefeelill.1.Howdoyoulike…?与Whatdoyouthinkof…?Howdoyoulikethisfilm?==Whatdoyouthinkofthismovie?2.bytheyear2100的用法：(1)Ournewschoolwillbebuiltbytheyear2013.(2)Theyhadlearned5000wordsbylastterm.(3)hadplanted(4)willfinish(5)hadbeen3.hopefully的用法：(1)Luckily,wecaughtthelastbus.(2)Unluckily,threepeoplelosttheirlivesinthistrafficaccident.(3)Sadly,hedidn’tpasstheexamagainthistime.(4)Hopefully,wecanflytoMarsinspaceshuttlesinthefuture.4.largenumbersofpeople的用法：(1)D(2)is(3)plentyof5.besure的用法：(1)Areyousureof/aboutyourdecision?(2)We’resuretowin.==We’resurethatwewill/canwin.(3)We’renotsureif/whethertheseplantswillproducethefoodandoxygenthatweneed.6.分数表示法：(1)ThegravityonMarsisonlyaboutthree-eighthsofthatonEarth.(2)Twothirdsofthestudentsintheirclassareboys.(3)Three-fifthsofthewaterinthebottlewasdrunkbyme.(4)Onequarter/Afourthoftheteachersarehavingameetingnow.7.choose的几个用法：(1)WewillchoosetospendourholidayinSanyathisyear.(2)There’remanybooksforustochoosefrominthelibrary.(3)Which(one)willyouchoose,theredoneorthepinkone?8.compare的用法：(1)Don’tcomparemewithyou.I’mnotthesameasyou.(2)Childrenareoftencomparedtotheyoungtrees.(3)Comparedwithhim,Icanplaythepianomuchbetter.9.population的用法：(1)What’sthepopulationofBeijing?---相当于：HowmanypeoplearethereinBeijing?(2)Wuxihasapopulationofabout800,000.(3)Sichuanhasalargepopulation./或：ThepopulationinSichuanisverylarge.(人口少：用small)10.语法（一）：(1)Can,can’t(2)may(3)mustn’t11.语法（二）：(1)Weallknow(that)Marsisaplanetinthesolarsystem.(2)Ibelieve(that)peoplewillflytoMarssoon.(3)I’mnotsureif/whetherpeoplecanliveonMars.(4)Canyoutellmeif/whetherittakesverylongtotravelfromEarthtoMars?(5)Doyouknowif/whetheryouwillwearspacehelmetsonMars?12.词组：(1)lifeonMars(2)liveonMars(3)spacetravel(4)thejourneytoMars(5)intheformofpills(6)imaginedoingsth.(7)aspacesleepingbag(8)startwith…/beginwith…(9)doharmtothem/beharmfultothem(10)advantages/disadvantagesoflivingonMars(11)keepthemawaywithlaserlight(12)low-gravitybasketballgames(13)aguidetolivingonMars(14)MarsDollars