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LifeonMarsReadingcrowdedplanetThepopulationonEarthisabout6.4billionin2007.It’sstillincreasingquickly.spaceshuttlesTheyarenewkindsofspacecraftwhichcantravelfasterinspace.spacehomedomeIt’saspecialroundhouseinspace.Task1:Newwords想象，设想行星拥挤的被污染的怀着希望地宇宙飞船航天飞机人类的发展imagineplanetcrowded(morecrowed)pollutedhopefullyspacecraftspaceshuttlehumandevelop(developing,developed)Task2:Newwords氧气确定的重力移居者飘移,漂浮流行的,时髦的各种各样的比较穹顶oxygensure=certaingravitysettlerfloatfashionablevariouscomparedomeTask3:Newwords行星之间网络力量交通工具恒星人口令人愉快的箱罐正规的interplanetarynetworkforcevehiclestarpopulationenjoyabletanknormal•planet____•spacecraft___•develop____•gravity____•settlers____•robots____•pills____a.smallroundmedicinesb.aforcethatkeepsusfromfloatingintheairc.vehiclesdesignedfortravelinspaced.growandimprovee.peoplewhogotoliveinanewplacef.alargebodyinspacethatmovesaroundastar,e.g.thesung.machinesthatworkunderthecontrolofcomputersTask4:ChecktheanswersofB2fcdbegaExercises:1.________(hope),wewillhaveabetterworldonMars.2.The_______(人口）ofChinain2007is1.3billion.3.Thiskindofshoesisvery________(fashion)now.4.Thesunisa______(恒星）。5.________(人类）canmakerobotsdosomework.6.Thisareaisbadly_______(pollution).Somethingmustbedonetoprotecttheenvironment.7.Withpoutgravity,wewill______(漂浮）inthespace.8.Areyou______(certain)iftherearesomeplantsthatcanproduceenoughwateronMars.HopefullypopulationfashionablestarHumanspollutedfloatsure•1.目前；现在atpresent=atthemoment=now•2.变得越来越拥挤becomemoreandmorecrowded•3.首先firstofall•4.以…….速度atthespeedof…•5.以光速的一半运行travelathalfthespeedoflight•6.许多largenumbersof=anumberof=many•7.漂入太空中floatawayintospace•8.飘浮在空中floatintheairTask5:Phrases•7.漂入太空中floatawayintospace•8.飘浮在空中floatintheair•9.从……中选择tochoosefrom•10.与……相比compare…with•11.生病getill•12.被连接到……beconnectedto…Task6:Phrases•13.在许多方面inmanyways•14.进行考试takeexams•15.在某些方面insomeways•16.和…….一样美味astastyas…•17.与……一样thesameas•18.八分之三three-eighthsTask7:PhrasesTask8:ChecktheanswersofC11WhydoweneedtomovetoMars?aEarthistoocrowdedandpolluted.bTomakefriendswithpeoplewholivethere.cFlyingtoMarswillbecheap.2HowlongdoesittaketoflytoMarsatpresent?aHours.B.Months.C.Years.3WhatwillfoodbelikeonMars?aVerytasty.B.Verysweet.C.Notverytasty.4Willgravitybeabigproblem?aNo,wewilltieourselvestotheplanet.bYes,manypeoplewillgetlost.cNo,wewillwearspecialboots.abccCompletingExerciseC1onpage11oftheStudents’Book5WillthejourneytoMarsbeenjoyable?aYes,itwillbeverycomfortable.bNo,itwillbeveryuncomfortable.cNo,itwillbefrightening.6Howarewegoingtobreatheonmars?aWewillcarryairtanks.bPlantswillproduceoxygen.cWewillliveindomes.7WherewillweliveonMars?aIn10-bedroomdomes.bOnspacecraft.cInspecialboots.8Howwillwestudy,doourhomeworkandtakeexams?aWewillnotneedtolearnanything.bInonlineschools.cInnormalschools.bbabDiscussionaboutlifeonMars※It’snot________or________.※The________ismoreconvenient(方便的).※Peoplewillwearspecial_____.※Peoplewillhave______space.※______willdomostofourwork.※We’llhavemoretimefor_______.※Studentswillstudyin______schools.AdvantagescrowdedpollutedtransportbootsmoreRobotshobbiesonlineDisadvantages※Low_______willbedangerous.※Fooddoesnottaste_____.※Spacetravelmakespeoplefeel______.※It’stoo____tostayoutside.※It’stoo___awayfromfriendsonEarth.gravitygoodill/sickfarcoldRewritingthestoryItisdifficulttoimaginethatwe’llliveonMarsnow.But________isgettingmoreandmore________and________.Whatwilllifebe________?First,________willbebetter.Spaceshuttlesmight________ashorttimetogettoMars.Alsoscientistsshouldbeableto________plantswhichwill_________thefoodandoxygen.But,itisnotsureiftheseplantscouldproduce________.earthcrowdedpollutedliketransporttakedevelopproducewaterRewritingthestoryThereisabigproblem:________.PeopleonMarswillbe________becausewecan_________jumphighand________awayintospace.Topreventthis,we’dbetterwearspecialboots.Andthebootswillbeveryfashionableonesforustochoosefrom.ThinkofthefuturelifeonMars.Wemayliveina_______withtenbedrooms.We'llhavemoretimefor_________becauserobotswilldothemostwork.Studentswillstudyin_________schools.Theyhave________.Gravitydangerouseasilyfloatdomehobbiesonlinee-teacherRewritingthestoryInsomeways,lifeonMarsmaybe________thanlifeonEarth.Forexample,foodwillbeintheformof________.Andthespacetravelwillbeuncomfortable.worsepillsGroupwork:Advantagesoflife•OnMars•1)notcrowded/polluted•2)nottrafficjam•3)wearfashionableboots•4)havemorespace•5)Robotwilldoourwork•6)havemoretimeforhobbies•7)Studentswillstudyathome•OnEarth•1)Foodistastyandfresh•2)Traveliscomfortable•3)Wecanbreathetheair•4)Wecangototheatres,etc.Homework:A.ReadthetextagainFinishtheexercises.B.TrytoRecitetheimportantphrasesandsentences.Exercises:1.地球正变得越来越拥挤和被污染的。Theearthisbecoming____________________and________.2.目前，宇宙飞船太慢不能运载大量的人去火星。Atpresent,ourspacecraftare_____slow________________________peopletoMars.3.人类需要食物，水，和空气来生存。______needfood,waterandair___________.4.火星上的重力是地球上的八分之三。ThegravityonMarsisonlyabout____________ofthatonEarthmoreandmorecrowedpollutedtootocarrylargenumbersofHumanstosurvivethree-eighthsExercises:5.为了防止这个，火星上的人类将必须穿特殊的靴子是他们自己更重。___________this,humanso