初中八年級英語課件UnitWehavenotfoundlifeonanyothe

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!科學雜志邀請分享經歷!Stephen

William

HawkingWhilethere’slife,thereishope!Homeworksupe