九年级英语下册《Unit 1 Life on Mars reading 1》课件 牛津版.ppt

Reading(1),Unit1LifeonMars,Environmentalprotectionl.污染是当今世界最严峻的问题之一；很多地方，垃圾被扔进了湖泊和河流；因此，很多湖泊和河流都遭受了污染；2.有些城市，空气中都充满了污染；这导致人们生病；和人类一样，动物们也深受其害；3.如果我们不行动起来保护环境，将会有更多的生物死于污染。,Thepopulationontheearthisgettinglargerandlarger.Andtheearthisbecomingmoreandmorecrowdedandpolluted.,Wecanbuildabetterworldonanotherplanet.,Mars,PartB1,pare,aforonepurposebasecondtimefromthebeginningcdecideinwhatwaythingsaresimilarordifferentdhavinganicetasteefullofpeoplefhappeninginashortperiodoftimegapersonwhoridesinacar,bus,train,ect.butdoesnotdriveiththetotalnumberofpeopleinanarea,acountry,ect.,e,f,h,b,g,d,a,c,Readthepassagequicklytofindouttheanswer:WilllifeonMarsbebetterthanthatonEarth?,skimming,Insomewaysitis.,Themainideaofeachparagraph:Para.1homePara.2gravityPara.3schoolPara.4transportPara.5water,oxygenandfoodPara.6problemsonEarth,1.WhydoweneedtomovetoMars?2.WhencanweliveonMars?,Becausetheearthisbecomingmoreandmorecrowdedandpolluted.,Bytheyear2100.,Para.1ProblemsonEarth,scanning,Atpresentspacecraftaretoo_andittakes_toflytoMars.Bytheyear2100,spacecrafttravelat_anditmighttakeabout_togettoMars.Butthejourneymightbequite_.Manypeoplewouldfeel_.,Para.2Transport,slow,months,thespeedoflight,20minutes,uncomfortable,ill,()1.Humansneedwater,oxygenandfoodtosurvive.()2.TheresenoughwaterandoxygenforpeopleonMars.()3.PlantscouldgrowonMars.()4.Foodwouldnotbeastastyasitistoday.,Para.3Water,oxygenandfood,T,F,F,T,Whyisgravityanotherproblem?Topreventthemselvesfromfloatingoffintospace,whatwouldpeoplehavetowear?,Para.4Gravity,BecausethegravityonMarsisonlyaboutthreeeighthsofthatontheEarth.,Peoplewouldhavetowearspecialboots.,Para.5Home1.Peoplewouldhavem_space.2.R_woulddomostoftheirwork.3.Peoplecouldhavemoretimetor_.,ore,obots,elax,Para.6SchoolWouldthereanyschoolsonMars?Howwouldstudentsstudy?,No.,Everystudentwouldhaveacomputerathomeconnectedtoaninterplanetarynetworkandstudyatonlineschoolswith“e-teacher”.,Readandfindoutthecorrectletters.,WhywouldpeopleneedtomovetoMars?a.Earthiscrowdedandpolluted.b.Tomakefriendswithpeoplewholivethere.c.FlyingtoMarswillbecheap.,lifeinthefuture,Readthepassage(page52andpage53)carefullyandcompletethelistonpage55B4.,Spacecraftwouldtravelatthespeedoflight.,FoodwouldmostprobablybeIntheformofpillsandwouldnotbesotasty,Nobodyknowswhethertherewouldbeenoughwateroroxygen.,Peoplemightliveinhouseswithhugecomfortablerooms.,Thegravityisonlyaboutthree-eighthsofthatonEarth.,Peoplecouldhavemoretimetorelax,StudentswouldStudyatonlineschoolswith“e-teacher”.,DoyoulikethelifeonMars?,Haveadebate(辩论),Team1:LikethelifeonMars,Team2:DislikethelifeonMars,AdvantagesoflifeonMars,DisadvantagesoflifeonMars,AdvantagesoflifeonMarsNotcrowded/pollutedNotrafficjamsPeoplewillwearfashionableboots.Peoplewillhavemorespace.Robotswilldoourwork.Wewillhavemoretimeforhobbies.Studentswillstudyathome.,DisadvantagesoflifeonMarsLowgravitywillbedangerous.FoodisnotasfreshasthatonEarth.Travelwillmakepeoplefeelsick.ToocoldtogooutsideFarawayfromfriendsonEarthFooddoesnottastegood.,Weshouldtryourbesttoprotectourearth.,Weshouldstudyhardtogetenoughknowledgefortheresearchworkinthefuture.,Exercises:,A用所给词的适当形式填空：Earthisbecomingmoreandmore_(crowd).Everyyear,largenumbersoftourists_(come)tovisitBeijing.Thispairofbootslooksvery_(fashion).Therewillbeno_(pollute)onMars.Thenewsmakerher_(feel)sad._(science)areworkinghardtomakethedreambecometrue.,come,pollution,fashionable,crowded,feel,scientists,B.FillintheblankswiththecorrectformsofthewordsinthebracketsThelittleboylookedather_asshehandedoutthesweets.(hope)Wehada_mealwithherlastnight.(taste)Theriverhasbeen_bywastewaterfromthefactory.(pollution)Wewillbeabit_inthatsm