初中八年級英語課件UnitWehavenotfound

1.Tomasterthekeywordsandexpressions.

掌握重點單詞和詞組。2.TounderstandandusePresentPerfectbetter.更好地理解并使用現(xiàn)在完成時。3.Todofurtherthinkingandwritingaboutthetopic.對有關(guān)話題進行拓展性思考和寫作。

Module3Journeytospace

Beforethejourney,WeneedtolearnsomeknowledgeaboutspaceAreyouready?Go!!!水星金星火星木星土星天王星海王星Doyouknowthem?planets行星star恒星Thesunanditsplanetsarecalled_____________thesolarsystem太陽系

Oursolarsystemisasmallpartof

________________________銀河系.theGalaxy/theMilkyWayTherearemany________（星系）inthe_________（宇宙）galaxiesuniversePuttheminorder:small—large.galaxyplanetsolar

systemuniverse行星太陽系星系宇宙Sohowlargeistheuniverse?Unit2Wehavenotfoundlifeonanyotherplanetsyet.Readthepassagequicklyandmatch:Para.1_______________Para.2&3_______________Para.4_______________Para.5_______________Thescientists’progress(進程)B.Thescientists’questionsC.ThesolarsystemandtheuniverseD.ThelifeonearthandotherplanetsABCDReadingtip1:keywords1.Anyoneoutthere?2.Lifeontheearth3.Thesunandotherstars4.ThestarsatnightReadPara1and5carefullyandchooseThebesttitleforthepassage_____.1Readingtip2:

thebeginningandtheending.Carefulreading:Para11.Howmanyyearshastherebeenlifeontheearth?Hundredsofmillionsofyears.A.百萬年B.千萬年C.億萬年2.However,wehavenotfoundlifeonanyotherplanetsyet.(ReadPara2andanswer)Becausenoneofthemhasanenvironment

likethatoftheearth.So________________________________________________________________.scientistsdonotthink(theywillfindlifeontheotherplanets)That’swhyTheearthisa______.Eightplanetsgoesaroundthe_____.Thesunanditseightplanetsarecalled________________.Ourgalaxyiscalled__________________.therearebillionsof______intheGalaxy.starsthesolarsystemtheGalaxyortheMilkyWayplanetsunPara.2&firstsentenceinPara.3數(shù)十億顆恒星Oursunisonlyoneofthestars.starplanets(goaround)thesolarsystemtheMilkyWaygalaxyRetellplanet(goaround)universe?Thestarslooksmall.Theyarefaraway.Lightyear光年:Theirlighthastotravelformanyyearstoreachus.Howfar?Carefulreading:Para3Thedistancethatthelightwalksinoneyear.Sohowlargeistheuniverse?Itisimpossibletoimagine.Scientistshavesentspaceships______Marsthemoonoutsidethesolarsystem??Weshouldbeproudofthem,especiallytheastronauts.Howgreatthescientistsare!Carefulreading:Para4?QuestionswithsomanystarsintheuniverseArewealone?Istherelifeoutthereinspace?Havetherebeenvisitorstotheearthfromotherplanets?Whyhasnoonecommunicatedwithus?

alienThealiensareafraidofus.Thecommunicationtoolsarenotgood.…Thelanguagesaredifferent.Carefulreading:Para5Workhardandgettheanswers.Watchthevideopronunciation

and

intonation注意語音和語調(diào)Welldone!!!NOW,Youhavefinishedreadingthewholepassage：YouhavewontheticketstoMars!Congratulations!Wherehasthespaceshiplanded?Whathaveyoudiscovered?Whatdoyouthinkofthem?Whyhaven’ttheyvisitedus?Whyhaven’ttheysentusamessage?…Makeyourmind-mapandspeakoutGroupwork:imagineandmakeGoodjob!presentperfect

現(xiàn)在完成時

M11U2

impossibleuniversegroupnoneenvironmentcommunicate

solarsystemcommunicatewithAnyoneoutthere?Wehavenotfoundlifeonanyotherplanetsyet.Words: