Module3JourneytospaceUnit2Wehavenotfoundlifeonanyotherplanetsyet.1.Howmanyplanetsarethereintheuniverse?2.Isthereanylifeonotherplanets?LeadinDiscusssomethingabouttheuniverse.TheEarth,theSun,Mars,themoonNo,maybetherewillbeinthefuture.YuriGagarin,SovietUnion12,April,19611968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?HeisChina’sfirstastronaut.TheShenzhou-VspacecraftorbitedtheEarth14timesatanaltitudeof343kilometres.Thespaceflightlasted21hoursbyYangLiweiinOctober,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.starE.universeABCDEB1Matchthewordswiththepictures.1.Anyoneoutthere?2.Lifeonearth3.Thesunandthestars4.Thestarsatnight2Readthepassageandchoosethebesttitleforit.Check(√)thetruesentences.1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.(×)(√)(√)(√)(×)(×)3Completethepassagewiththewordsandexpressioninthebox.Istherelifeonotherplanets?Thereareeightplanetsinour____________,but_____ofthemhasa(n)_____________likethatoftheearth.Spaceshipsfromtheearthhavedonesurveysofotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto___________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe________yet,butsomescientistsdonot______thattheycanfinditsomeday.solarsystemenvironmentnonecommunicateuniversedoubt4communicatedoubtenvironmentnonesolarsystemuniverse1.However,wehavenotfoundlifeonanyothe...
