八年级英语下册Module3JourneytospaceUnit2Wehavenotfoundlifeonanyotherplanetsyet课件外研版.ppt

Module3JourneytospaceUnit2Wehavenotfoundlifeonanyotherplanetsyet.,1.Howmanyplanetsarethereintheuniverse?2.Isthereanylifeonotherplanets?,LeadinDiscusssomethingabouttheuniverse.,TheEarth,theSun,Mars,themoon,No,maybetherewillbeinthefuture.,YuriGagarin,SovietUnion12,April,1961,1968年12月27日,阿波罗8号第一次载人的月球行动，在完成了历时六天的历史性航行之后，安全返回地球。,1986年1月28日,“挑战者”号航天飞机在肯尼迪航天中心发射升空不久后爆炸。,埃德温艾尔德林,环绕地球飞行的宇航员每“天”可以看见16次日出和16次日落。,Whoishe?,HeisChinasfirstastronaut.,TheShenzhou-VspacecraftorbitedtheEarth14timesatanaltitudeof343kilometres.Thespaceflightlasted21hoursbyYangLiweiinOctober,2003.YangLiweiwascalled“Chinasfirstastronaut”.,noneenvironmentsolarsystemsolarsystemgroupgalaxyuniverseimpossiblecommunicate,pron.没有一个n.环境adj.太阳的，与太阳有关的n.系统，体系星系，(尤指)太阳系n.群，组n.星系n.宇宙adj.(事情)办不到的，不可能的v.联系，交流,Presentation,Wordsandexpressions,A.galaxyB.planetC.solarsystemD.starE.universe,A,B,C,D,E,B,Matchthewordswiththepictures.,1.Anyoneoutthere?2.Lifeonearth3.Thesunandthestars4.Thestarsatnight,Readthepassageandchoosethebesttitleforit.,Check()thetruesentences.,1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.,(),(),(),(),(),(),Completethepassagewiththewordsandexpressioninthebox.,Istherelifeonotherplanets?Thereareeightplanetsinour_,but_ofthemhasa(n)_likethatoftheearth.Spaceshipsfromtheearthhavedonesurveysofotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto_withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe_yet,butsomescientistsdonot_thattheycanfinditsomeday.,solarsystem,environment,none,communicate,universe,doubt,communicatedoubtenvironmentnonesolarsystemuniverse,1.However,wehavenotfoundlifeonanyotherplanetsyet.但是，我们在其他星球上还没有发现生命。theother(s)与other(s)的区别：(1)theother与other后可加名词;theothers与others后不加名词；(2)theother(s)表示一定范围内除去一部分以外后其余的全体；other(s)表示除去一部分以后的（一些），但不是剩下的全体。,LanguagePoints,Oneflowerisred,theother(one)iswhite.一朵花是红的，另一朵(花)是白的。Givemesomeotherapples/others,please!请另给我一些（苹果）吧！,2.Noneofthemhasanenvironmentlikethatoftheearth.它们中没有一个有像地球这样的环境。noone与none的区别：(1)noone同义词为nobody,只用于指人，其后不跟of短语，作主语时谓语用单数，noone只能回答以who开头的问句；,(2)none用于表示对三者或三者以上全部否定，既可指人，也可指物。作主语时，谓语可以是单数，也可以是复数;none的反义词是all,none可与of连用;可以用来回答Howmany或Howmuch开头的问句。,Noneofusare/isinterestedinthestory.我们没有人对那个故事感兴趣。Whoareyouspeakingto?你在跟谁讲话？Noone.没人。Howmanystudentsarethereintheroom?房间里有多少个学生?None.一个也没有。,3.Withsomanystarsintheuniverse,arewealone？宇宙中有这么多的恒星，我们是唯一的吗？alone与lonely的区别：(1)alone既可作形容词，又可作副词,意为“单独的/地，独自的/地”，没有感情色彩。(2)lonely只作为形容词，意为“孤独的，寂寞的”，具有感情色彩。Helivedaloneafterhiswifeleft，sohewasverylonely.他妻子离开后，他一个人生活，所以他很孤独。,Whathavethescientistsjustheard?(amessagefromaspaceship),Theyvejustheardamessagefromaspaceship.,Lookatthecartoonpictureandanswerthequestions.,1.Wherehasthespaceshiplanded?(Mars)2.Whathasthespaceshipdiscovered?(people)3.WhyhavethepeopleonMarsnotsentusamessage?(dontknowhowto)4.WhyhavethepeopleonMarsnotvisitedusonearth?(dontknowhowto),WevejustheardthatourspacecrafthaslandedonMars,andwevediscovered,Writethestoryinthepicture.UsetheanswerstothequestionsinActivity5tohelpyou.,WevejusthadsomenewsaboutthemissiontoexploreMars.ScientistshavejustheardthatthespaceshiphaslandedonMarsandhasdiscoveredpeople.Thesepeoplehaventsentusamessagebecausetheycanthearus.TheyhaventvisitedtheearthbecausetheypreferlifeonMars.TheyhaveusedpartsfromtheotherspacecraftfromearthtomakeTVs,radiosandcars.,Possibleversion:,一、根据句意写单词。,1.Everyoneknows_travelsmuchfasterthansound.2._ofuslikethisbadTVprogramme.3.Theflowerswill_welliftheygetenoughwater.4.Thesolarsystemisasmallpartofour_.5.Wehavent_lifeonotherplanetsyet.,light,None,grow,galaxy,found,Practice,二、句型转换。,1.IhavebeentoAmericabefore.（变成一般疑问句）_2.have,finished,not,I,homework,my（连词成句）_3.She_theGreatWalltwice.（选hasgoneto/hasbeento填空）,HaveyoubeentoAmericabefore?,Ihavenotfinishedmyhomework.,hasbeento,4.Sofar,Ilearne