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19BUnit4LifeonMarsWelcometotheunitTeachingaims:1.Thinkingaboutlifeinthefuture.2.Thinkingaboutwhatlifebelikeonanotherplanet.3.Discussingtheadvantageanddisadvantageofaparticularenvironment.Teachingprocedures:Step1WarmingupShowsomepicturesandletstudentsknowsomethingaboutMars.Doyouknowthisplanet?Step2ReadandsayMars,helmet,airtank,driedfood,powerpack,sleepingpack,gravityStep3DiscussionBy2050,ourearthwillbecome….Whatshallwedo?Whereshallwelive?Step4PracticeDanielisdreamingaboutvisitinganotherplanet.Whatshouldhetakewithhim?Writethenameoftheitemundereachpicture.airtank,computer,driedfood,powerpack,sleepingbag,spacehelmet,specialboots,tentKeys:airtank,tent,driedfood,spacehelmet,specialboots,computer,power2pack,sleepingbagStep5DiscussionCanyouguesswhatthelifewillbelikeonMars?OnEarth&onMarsfruitorvegetables—driedfoodgravity—lessgravitypollution—nopollutionveryimportant—notimportanttoomuchhomework—lesshomeworkandrobotswillhelpherStep6DanielistalkingtoAmyaboutlivingonMars.Whatwoulditbelike?Workinpairsanddiscusswithyourpartner.Usetheconversationbelowasamodel.Daniel:WhatwoulditbeliketoliveonMars?Amy:There’slessgravityonMars.We’dprobablyneedtowearspecialboots.Daniel:Yes.Andwemightneedsleepingbagstoo.Amy:Iagree.Also,there’snofruitorvegetables,sowewouldhavetoeatdriedfood.Daniel:Well…thatsoundsquiteboring!ButtherewouldbenopollutiononMars.Amy:Ihopeso.Step7Watchavideoandanswerthequestions.Whatdotheboyandhisfatherwanttodo?Canyouguessdotheyliketravelintospace?Step8Listenandanswer1.DoyouthinkEddielikesthelifeontheMars?2.WhydoesEddiehatelifeontheMars?Keys:No,Idon’tthinkso.Hecan’tgettohisfoodbecauseofthehelmet.Step9RoleplaytheconversationbetweenHoboandEddie.Hobo:Wow,I’veneverthoughtabouttravellingintospace.Eddie:Meneither.Hobo:HowdoyoulikelifeonMars?3Eddie:Ihateit.Hobo:Whydoyouhateit?IthoughtyoulikedMars.Eddie:It’sthishelmet.Ican’tgettomyfood.Step10Languagepoints1.Hobo:Wow,I’veneverthoughtabouttravelingintospace.Eddie:Meneither.否定回答Meneither为非正式用法，美式英语中用Meeither,正式答为NeitherhaveI.2.HowdoyoulikelifeonMars?你认为火星上的生活怎么样？Howdoyoulike…?=Whatdoyouthinkof…?e.g.Howdoyoulikemynewlook?你认为我的新造型怎么样？Step11Exercises1.Translatethephrases1.去太空旅行2.你认为…怎么样?3.我原以为4.得到我的食物5.少一些的重力6.没有污染Keys:travelintospace,Howdoyoulike…?Ithought…,gettomyfood,lessgravity,nopollution2.Completethefollowingsentences.1.R_______willhelpuswithourhouseworkinthefuture.2.You’dbetterwearah_______tokeepyourselfsafewhenyouareridingamotorcycle.3.Helikesmusicverymuchandhecanplaythe_______(吉他)verywell.4.Shelikeswearingapairof_____________(太阳镜)tokeepoffthesun.45.Ithinkweneeda_______(帐篷)whenwearecamping.Keys:Robots,helmet,guitar,sunglasses,tentStep12Homework1.SearchmoreinformationaboutMarsontheInternet.2.Previewthenewwordsinnextlesson.ReadingITeachingaims:1.Understandtheplanetlivinginanotherplant.2.TorecognizeandreadwordsoflifeonMars.3.IdentifyandlistthedifferenceslivesbetweenearthandMars.TeachingstepsStep1ReviewTranslatesomesentences.1.我从来没想过去太空旅行。2.你认为火星上的生活怎么样？3.我原以为你喜欢火星。Keys:I’veneverthoughtabouttravelingintospace.HowdoyoulikelifeonMars?IthoughtyoulikedMars.Step2Presentationplanetn.行星crowdedadj.快的，迅速的pollutedadj.被污染的rapidadj.快的，迅速的increasen.增加(all)overagain再；重新passengern.乘客ata/thespeedof以…的速度uncomfortableadj.使人不舒服的5oxygenn.氧气intheformof以……的形式tastyadj.味道好的speciallyadv.专门地，特地floatvi.漂浮；飘浮comparevt.&vi.比较compareto/with与……相比interplanetaryadj.行星间的networkn.网络challengingadj.挑战性的rapidlyadv.快地，迅速地Step3Matchthewordsandthemeaningcrowdeda.foronepurposerapidb.asecondtimefromthebeginningpopulationc.Decideinwhatwaythingsaresimilarordifficultalloveragaind.havinganicetastepassengere.fullofpeopletastyf.happeninginashortperiodofthetimespeciallyg.apersonwhoridesinacar,bus,train,etc.butdoesnotdriveitcompareh.Thetotalnumberofpeopleinanarea,acountry,etc.Keys:efhbgdacStep4DiscussThecolorofMars:_____________RedthesurfaceofMarsThesurfaceofMarsisalittlelikethesurfaceofEarth.6ThesizeofMarsone-halfthediameter(直径)ofEarththetemperatureoftheMarsThelowesttemperaturewillbe-133℃(degreescentigrade)andthehighestwillbe27℃thetransporttotheMarsspacecraftaretooslowtocarrylargenumbersofpeopletoMarsStep5Pre-readingDanielislookingformoreinformationontheInternet.Helphimfindoutthelinkstothekeywords.crowdedplanetspacehousesspacecraftrobotonMarsspeedbootsonlineteacheraNeedsomeonetoteachyouanytime,anyplace?7bLivinginaspacehouseisfun…cAllaboutthenewestspacecraftthattravelinspace…dOutshoescanmakeyouwalkfaster!eRobotscouldbeofgreathelptopeopleonMars..fThepopulationontheEarthisstillincreasingrapidly…Keys:crowdedplanetThepopulationontheEarthisstillincreasingrapidly…spacecraftAllaboutthenewestspacecraftthattravelinspace…speedbootsOurshoescanmakeyouwalkfaster!spacehousesLivinginaroundhouseisfun…robotonMarsRobotscouldbeofgreathelptopeopleonMars…onlineteacherNeedsomeonetoteachyouanytime,atanyplace?Step6FastreadingReadthearticlequicklyandfindoutthekeywordofeachparagraph.Para1Para2Para3Para4Para5Para6Para7Keys:Para1Crowded,polluted(population,pollution)Para2TransportPara3Food,waterandairPara4GravityPara5HomePara6School8Para7LifeStep7Listentot