外研社新版八年级下册M3U2we-have-not-found-life-on-any-other-planets-yet.ppt

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1、Module3JourneytospaceUnit2Wehavenotfoundlifeonanyotherplanetsyet.1.Howmanyplanetsarethereintheuniverse?2.Isthereanylifeonotherplanets?LeadinDiscusssomethingabouttheuniverse.TheEarth,theSun,Mars,themoonNo,maybetherewillbeinthefuture.YuriGagarin,SovietUnion12,April,19611968年1

2、2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?HeisChina’sfirstastronaut.TheShenzhou-VspacecraftorbitedtheEarth14timesatanaltitudeof343kilometres.Thespaceflightlasted21hoursbyYangLiweiinOc

3、tober,2003.YangLiweiwascalled“China’sfirstastronaut”.noneenvironmentsolarsystemsolarsystemgroupgalaxyuniverseimpossiblecommunicatepron.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PresentationWordsandexpressionsA.galaxyB.planetC.solarsystemD.s

4、tarE.universeABCDEB1Matchthewordswiththepictures.1.Anyoneoutthere?2.Lifeonearth3.Thesunandthestars4.Thestarsatnight2Readthepassageandchoosethebesttitleforit.Check(√)thetruesentences.1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthes

5、tarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.(×)(√)(√)(√)(×)(×)3Completethepassagewiththewordsandexpressioninthebox.Istherelifeonotherplanets?Thereareeightplanetsinour____________

6、,but_____ofthemhasa(n)_____________likethatoftheearth.Spaceshipsfromtheearthhavedonesurveysofotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto___________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe________yet,butsomesci

7、entistsdonot______thattheycanfinditsomeday.solarsystemenvironmentnonecommunicateuniversedoubt4communicatedoubtenvironmentnonesolarsystemuniverse1.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other

8、s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。Language