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Unit2Wehavenotfoundlifeonanyotherplanetsyet.Shenzhou-9isamannedspaceship.

Module3JourneytospaceOurGalaxy(星系)---TheMilkyWay(銀河)

Therearemorethan200billionstarsinourgalaxy/?g?l?ksi/,andourSunisonlyoneofthem.thesun(astar)Thereare________planetsaroundthesun.Thesunanditsplanetsarecalledthe____________.eighttheuniverse[?ju:n?v?:s]solarsystemtheearth(aplanet)Puttheminorder:small—large.galaxyplanetsolar

systemuniverse行星太陽(yáng)系星系宇宙Unit2Wehavenotfoundlifeonanyotherplanetsyet.Guess:1.Wherecanyoureadthispassage?A.inasciencebookB.inastorybookC.inaguidebookD.inatravelmagazine2.Whatisthepassagemainlyabout?

A.Anyoneoutthere?

B.Lifeontheearth

C.Thesunandotherstars

D.ThestarsatnightReadandchooseThebesttitleforthepassage_____.AReadingtip:

thebeginningandtheending.Carefulreading:Para1and21.Howmanyyearshastherebeenlifeontheearth?2.Havescientistsfoundlifeonanyotherplanetsyet?Why?Becausenoneofthemhasanenvironment

likethatoftheearth.Forhundredsofmillionsofyears.Carefulreading:Drawthemapoftheuniverse!Para2Introductionoftheuniverse3.Howlargeistheuniverse?Itisimpossibletoimagine.Carefulreading:Para3?Thestarslooksmall.Theyarefaraway.Theirlighthastotravelformanyyearstoreachus.Howfar?Carefulreading:Para33.Howlargeistheuniverse?Itisimpossibletoimagine.BecausegalaxiesarefarawayandtheirlighthastotravelformanyyearstoreachusCarefulreading:Para3TheyhavesentspaceshipstotheplanetMarstotakephotos,Marsoutsidethesolarsystem??Carefulreading:4.Whathavescientistsdoneinthejourneytospace?andeventotraveloutsidethesolarsystem.Para4?Carefulreading:5.Doesthewriterbelievethereislifeoutthesolarsysteminspace?Para5Inyouropinion:?QuestionsInyouropinion,istherelifeoutthesolarsysteminspace?lifeontheearthPara.1-3theuniversethesunanditsplanets(thesolarsystem)theGalaxy(theMilkyWay)Para.4exploration(探索)spaceshipslifeoutthereinspacePara.5confusion(困惑)Anyoneoutthere?NatureHumanWelcometoScienceMuseum!Readingtip:Exposition(說明文):Logicalorder(邏輯順序)Goodjob!Wherehasthespaceshiplanded?Whathaveyoudiscovered?Whatdoyouthinkofthem?Whyhaven’ttheyvisitedus?Whyhaven’ttheysentusamessage?…Makeyourpostersandshare!科學(xué)雜志邀請(qǐng)分享經(jīng)歷!Stephen

William

HawkingWhilethere’slife,thereishope!Homeworksupe

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