Unit2Wehavenotfoundlifeonanyotherplanetsyet.Module3Journeytospace詞匯:none,environment,that,solarsystem,group,galaxy,universe,light,impossible,out,communicate語(yǔ)法：在現(xiàn)在完成時(shí)中準(zhǔn)確使用already,just,yet能夠識(shí)別文章的主題。能夠讀懂以太空為主題的簡(jiǎn)單文章并能識(shí)別細(xì)節(jié)，做出正確判斷。培養(yǎng)學(xué)生對(duì)天文知識(shí)的興趣和對(duì)未知事物的探索精神。學(xué)習(xí)目標(biāo)Enjoyavideo.神州九號(hào)載人航天飛船點(diǎn)火發(fā)射成功1Workinpairs.LookatthepictureandtalkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9isamannedspaceship.神州九號(hào)發(fā)射四大亮點(diǎn)神州九號(hào)航天員乘組我國(guó)航天任務(wù)示意圖1.Howmanyplanetsarethereintheuniverse?2.Isthereanylifeonotherplanets?DiscussionScientistshavesent

a

spaceshiptoMars.Thejourneyhastaken

severalmonths.LookatthesentencesAstronautshavealreadybeentothemoon.LookatthesentencesNoonehasbeentoMarsyet,becauseMarsisveryfaraway,muchfartherthanthemoon.LookatthesentencesLotsofscientistsareworkinghardinorderto

sendastronautstoMarsoneday.LookatthesentencesLearningtolearnWhenyoureadapassagewithatitleandpictures,thinkaboutthewordsyoumayfindinthepassage,andthequestionsyoumaywanttoaskbeforeyoustarttoread.

Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.However,wehavenotfoundlifeonanyotherplanetsyet.

Theearthisaplanetanditgoesaroundthesun.Sevenotherplanetsalsogoaroundthesun.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.Thesunanditsplanetsarecalledthesolarsystem,andoursolarsystemisasmallpartofamuchlargergroupofstarsandplanets,calledtheGalaxyortheMilkyWay.TherearebillionsofstarsintheGalaxy,andoursunisonlyoneofthem.2Readthepassageandchoosethebesttitleforit.SkimmingScientistshavealsodiscoveredmanyothergalaxiesintheuniverse.Theyareveryfarawayandtheirlighthastotravelformanyyearstoreachus.Sohowlargeistheuniverse?Itisimpossibletoimagine.ScientistshavesentspaceshipstotheplanetMarstotakephotos.Theyhaveevensentspaceshipstotraveloutsidethesolarsystem.However,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.Scientistshavealwaysaskedthequestions:withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?Havetherebeenvisitorstotheearthfromotherplanets?Whyhasnoonecommunicatedwithus?Wedonoknowtheanswers...yet.2Readthepassageandchoosethebesttitleforit.SkimmingReadthepassageandchoosethebesttitleforit.21.Anyoneoutthere?2.Lifeontheearth3.Thesunandotherstars4.Thestarsatnight1.Anyoneoutthere?Skimming3Check(√)thetruesentences.1.Theearthisastar.2.Thesunisastar. 3.Thereismorethanonegalaxyintheuniverse. 4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace. 6.Spaceshipshavevisitedmostoftheuniverse. √√√FastreadingCarefulreadingScientiststhinkthattherehasbeen

lifeontheearthforhundredsofmillionsofyears.However,wehavenotfound

lifeonanyotherplantsyet.Readthepassageloudly.CarefulreadingTheearthisaplantanditgoesaround

thesun.Readthepassageloudly.CarefulreadingReadthepassageloudly.Sevenotherplanets

alsogoaround

thesun.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.Readthepassageloudly.Thesunanditsplanetsarecalled

thesolarsystem,andoursolarsystemisasmallpartofamuchlarger

groupofstarsandplanets,calledtheGalaxy

ortheMilkyWay.CarefulreadingReadthepassageloudly.CarefulreadingTherearebillionsof

starsintheGalaxy,andoursunisonlyoneof

them.Readthepassageloudly.CarefulreadingScientistshavealsodiscovered

manyothergalaxiesintheuniverse.Theyareveryfarawayandtheirlighthastotravel

formanyyears

toreach

us.Sohowlargeistheuniverse?Itisimpossibletoimagine.Readthepassageloudly.CarefulreadingScientistshavesent

spaceshipstotheplanetMarstotakephotos.Theyhaveevensent

spaceshipstotraveloutsidethesolarsystem.Readthepassageloudly.CarefulreadingHowever,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.Readthepassageloudly.CarefulreadingScientistshavealwaysasked

thequestions:Withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?Havetherebeen

visitorstotheearthfromotherplants?Whyhasnoonecommunicatedwith

us?Wedonotknowtheanswers...yet.4Cmunicateenvironmentnonesolarsystemuniverse

Istherelifeonotherplanets?Therearesevenotherplanetsinour(1)___________,but(2)_____ofthemhasa(n)(3)___________likethatoftheearth.Spaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto(4)_____________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe(5)_________yet,butsomescientistsbelievethattheywillfinditsomeday.solarsystemnoneenvironmentcommunicateuniverseLanguagepoints1.Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.科學(xué)家認(rèn)為地球上的生命已經(jīng)有億萬(wàn)年了。millionsof數(shù)百萬(wàn)hundredsof數(shù)百 thousandsof成千上萬(wàn)billionsof數(shù)十億e.g.TherearebillionsofstarsintheGalaxy,andoursunisonlyoneofthem.銀河系中有數(shù)十億顆恒星，我們的太陽(yáng)只是其中的一個(gè)。2.However,wehavenotfoundlifeonanyotherplanetsyet.然而，我們還沒(méi)有在任何其他行星上發(fā)現(xiàn)生命。yet用于否定句和疑問(wèn)句，意思是“還，尚”。not…yet的意思是“還沒(méi)，尚未”，表示某事物在某一時(shí)間尚未發(fā)生，但未來(lái)也許會(huì)發(fā)生。e.g.Ihaven’tlearntanyfartherinformationyet.我還沒(méi)有得到進(jìn)一步的信息。Haveyoureceivedherletteryet?你收到她的來(lái)信了嗎？LanguagepointsLanguagepoints3.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.他們中沒(méi)有一個(gè)有像地球這樣的環(huán)境，因此科學(xué)家們認(rèn)為在他們上面找不到生命。noneof…表示（三個(gè)以上）一個(gè)也沒(méi)有。做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞可用單數(shù)或復(fù)數(shù)。e.g.Noneofushas/havebeentotheMars.我們中沒(méi)一個(gè)去過(guò)火星。

4.…oursolarsystemisasmallpartofamuchlargergroupofstarsandplanets,calledtheGalaxyortheMilkyWay.......我們的太陽(yáng)系只是一個(gè)由恒星和行星組成的星系的一小部分，這個(gè)星系比太陽(yáng)系大得多，稱(chēng)作銀河系或銀河。這里的theGalaxy專(zhuān)指“銀河系”，也可以稱(chēng)作theMilkyWay。而galaxy則泛指“星系”。e.g.Scientistshavediscoveredadistantgalaxy.科學(xué)家們發(fā)現(xiàn)了一個(gè)遙遠(yuǎn)的星系。LanguagepointsLanguagepoints

5.Sohowlargeistheuniverse?It’simpossibletoimagine.所以宇宙有多大？我們無(wú)從想象。句型:Itis+形容詞+to+動(dòng)詞原形，意思是“做某事很……”e.g.Itisdifficulttoreadthesewords.

讀這些單詞很難。Languagepoints6.However,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.然而，還沒(méi)有任何航天器能到達(dá)銀河系里的其他恒星?！靶稳菰~/副詞+enough+todosth.”是一個(gè)固定結(jié)構(gòu)，意為“足夠……能做某事”。

Jimisoldenoughtolookafterhimself.吉姆年齡足夠大，可以照顧自己了。

LittleTomisn’tstrongenoughtocarrythechair.小湯姆還不夠強(qiáng)壯，搬不動(dòng)那把椅子。Languagepoints【拓展】(1)“形容詞/副詞+enough+todosth.”的肯定形式通常可與so...that...結(jié)構(gòu)互相轉(zhuǎn)換，其否定句通?？膳ctoo...to...結(jié)構(gòu)相互轉(zhuǎn)換。Theclassroomisbigenoughtohold60students.=Theclassroomissobigthatitcanhold60students.這間教室足夠大，能容得下60名學(xué)生。She’snotoldenoughtogotoschool.=She’stooyoungtogotoschool.她年齡不夠大，不能上學(xué)。Languagepoints(2)enough作副詞修飾形容詞或副詞時(shí)，位于被修飾詞之后；作形容詞修飾名詞時(shí)，既可以在名詞之前，也可以在名詞之后。carefulenough足夠認(rèn)真enoughtime足夠的時(shí)間Languagepoints7.Withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?宇宙中有這么多星球，我們是孤獨(dú)嗎？或者太空中還有其他生命存在呢？(1)with+名詞+介詞短語(yǔ)，表示伴隨情況，意思是“帶著……”。e.g.Mr.Zhangiscomingwithabookinhishands.張老師手里帶著一本書(shū)進(jìn)來(lái)了。Languagepoints(2)alone在句中作形容詞，不作定語(yǔ)只做表語(yǔ)，也可作副詞。意思是“獨(dú)自地”。e.g.Shewasaloneinthatdarkroom.她獨(dú)自一人待在那黑屋子里。5Lookatthepicturefromasciencestoryforchildrenandanswerthequestions.5Lookatthepicturefromasciencestoryforchildrenandanswerthequestions.Whathavethescientistsjustreceived?(amessagefromoneofourspaceships)Theyhavejustreceivedamessagefromoneofourspaceships.1.Wherehasthespaceshiplanded?(Mars)2.Whathasthespaceshipdiscovered?(peopleonMars)3.WhyhavethepeopleonMarsnotsentusamessage?(donotknowhowto)4.WhyhavethepeopleonMarsnotvisitedusontheearth?(donotknowhowto)ThespaceshiphaslandedonMars.ThespaceshiphasdiscoveredpeopleonMars.Becausetheydonotknowhowtosentamessagetous.Becausetheydonotknowhowtogettotheearth.6Writeapassagetodescribethepicture.UseyouranswerstothequestionsinActivity5tohelpyou.WehavejustreceivedamessagefromourspaceshiptoMars…____________________________________________________________________________________________________________________________________________________________________________________________________________________________WehavejustreceivedamessagefromourspaceshiptoMars.Ourspaceshiphasdiscoveredaliensthere.Theyhaveneversentusamessagebecausetheydon'tknowhowtocommunicatewithus.Theyhavenotvisitedtheearthbecausetheydon'tknowhowtoflytoourplanet,andtheypreferlifeonMars.Theyseemveryhappyontheirplanet.TheyhaveusedpartsfromtheotherspaceshipsfromtheearthtomakeTVs,radio