外研版八下英语ppt课件.ppt

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1、Module3JourneytospaceUnit2Wehavenotfoundlifeonanyotherplanetsyet.1.成百万年2.在其它的行星上3.绕太阳转4.他们中没有一个5.被叫做6.其他七个行星7.一小部分8.数亿的星星9.在宇宙中10.许多其他的星系11.很难想像12.和某人联系millionsofyearsonanyotherplanetsgoaroundthesunnoneofthembecalledSevenotherplanetsasmallpartofbilli

2、onsofstarsintheuniversemanyothergalaxiesItisimpossibletoimaginecommunicatewithsb.receive复习提问预习检测1.Teachingaims:TobeabletosummarizeapassagesTobeabletodescribeapictureusingthepresentperfect.Teachingaims认定目标2.Maincontents:Keyvocabularygroup,light,imposs

3、ible,take,out,communicateKeystructuresHowever,wehavenotfoundlifeonanyotherplanetsyet.Scientistshavealsodiscoveredmanyothergalaxiesintheuniverse.Checkthetruesentences:1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelight

4、fromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Scientistshavevisitedmostoftheuniverse.×√√√××Memorytest问题导学精讲点拨Spaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanyl

5、ifethere.Whyhasnoonefromotherplanetstriedto(4)_____________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe(5)_________yet,butsomescientistsbelievethattheywillfinditsomeday.Completethepassagewiththewordsandexpressioninthebox.comm

6、unicateenvironmentnonesolarsystemuniverseIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)____________,but(2)______ofthemhasa(n)(3)______________likethatoftheearth.solarsystemnoneenvironmentcommunicateuniverse2.However,nospaceshiphastravele

7、dfarenoughtoreachotherstarsinourGalaxy.然而，没有一个航天器去到足以到达我们银河系其他恒星那么远的地方。…enough+名词todoadj./adv.+enough+todosth.足够…，可以…not+adj./adv.+enough+todosth.不够…，不可以…(1)我们有足够的钱花。Wehave___________________________.(2)他跑得够快，很快追上了我们。Heran__________________catchupwit

8、hussoon.(3)他年龄不够大，照顾不了自己。He_______________________________________.enoughmoneytospendfastenoughtoisn’toldenoughtolookafterhimself单词拼写。1.Thereistheearth,thesun,themoonandmanyotherstarsintheu____________.2.Thereareeightplanetsinthesolars_____________.3