外研版八年级下《We-have-not-found-life-on-any-other-planets-yet》PPT课件.pptx

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1、Module3JourneytospaceWehavenotfoundlifeonanyotherplanetsyet.earthmoonRevisionspaceshipastronautspacetravelScientistshavesentspaceshiptoMars.Thejourneyhastakenseveralmonths.Astronautshavealreadybeentothemoon.NoonehasbeentoMarsyet,becauseMarsisveryfaraway,muchfartherth

2、anthemoon.LotsofscientistsareworkinghardinordertosendastronautstoMarsoneday.LookatthepictureandtalkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9isamannedspaceship.WorkinpairsListenandreadReadthepassageandchoosethebesttitleforit.1.Anyoneoutthere?2.Lifeontheearth3.

3、Thesunandotherstars4.Thestarsatnight√1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.Check(√)thetruesentences.×√√4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceship

4、shavevisitedmostoftheuniverse.√××Completethepassagewiththewordsandexpressioninthebox.communicateenvironmentnonesolarsystemuniverseIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)____________,but(2)______ofthemhasa(n)(3)____________likethatoftheearth.solars

5、ystemnoneenvironmentSpaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto(4)_____________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe(5)_________yet,butsomescientistsbelievet

6、hattheywillfinditsomeday.communicateuniverse1.Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.科学家认为地球上的生命已经有亿万年了。millionsof数百万hundredsof数百thousandsof成千上万billionsof数十亿Languagepointse.g.TherearebillionsofstarsintheGalaxy,andthesunisonlyoneofth

7、em.银河系中有数十亿颗恒星，太阳只是其中的一个。2.However,wehavenotfoundlifeonanyotherplanetsyet.然而，我们还没有在任何其他行星上发现生命。yet用于否定句和疑问句，意思是“还，尚”。not…yet的意思是“还没，尚未”，表示某事物在某一时间尚未发生，但未来也许会发生。例如：Ihaven’tlearntanyfartherinformationyet.我还没有得到进一步的信息。Haveyoureceivedherletteryet?你收到她的来信了吗？3.Theearthisap

8、lanetanditgoesaroundthesun.Sevenotherplanetsalsogoaroundthesun.地球是颗行星，它围绕着太阳转。此外还有七颗行星也围绕着太阳转。太阳系的其他七颗行星：水星(Mercury)、金星(Venus)、火星(M