八年级下册M3 Unit 2We have not found life on any other planets yet(42张)

LookatthepictureandtalkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9isamanned(载人)spaceship.Workinpairs[mænd]“嫦娥一号”(Chang’e-1)月球探测卫星于2007年10月24日在西昌卫星中心由“长征三号甲”运载火箭发射升空。经过8次变轨后，于11月7日正式进入工作轨道。2009年3月1日在控制下成功撞击月球，为我国探月一期工程画上圆满句号。“嫦娥二号”(Chang’e-2)于2010年10月1日成功升空，这次最主要的一个任务就是对月球虹湾地区进行高清晰度的拍摄，而此次的拍摄将为嫦娥三号卫星的发射和着陆做好前期准备。“嫦娥三号”(Chang’e-3)“怀抱”中国首辆月球车“玉兔号”飞天落月，“玉兔号”于2013年12月15日着陆。theuniverse?[‘ju:nɪvɜ:s]ListenandreadReadthepassageandchoosethebesttitleforit.

1.Anyoneoutthere?2.Lifeontheearth3.Thesunandotherstars4.Thestarsatnight√

123456Wherecanwefindtheanswers?√×1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.√√××Task3P213Check(√)thetruesentences.

planetparthaven’tThe1stParagraph.Questions:1.Howlonghastherebeenlifeontheearth?

2.Havewefoundlifeonanyotherplanetsyet?Therehasbeenlifeontheearthforhundredsofmillionsofyears.No,wehaven’t.ExercisesWeplanted_____treeslastyear.A.hundredsofB.hundredofC.fivehundredsD.fivehundredofPractise1.Whatiscalledthesolarsystem?Whatisit?2.Howmanyplanetsarethereinthesolarsystem?3.Whydon’tscientiststhinkthey’llfindlifeontheotherplanets?Thesunanditsplanetsarecalledthesolarsystem.ItisasmallpartoftheGalaxy/theMilkyWay.The2ndParagraph.Questions:Thereareeightplanets.Becausenoneofthemhasanenvironmentlikethatoftheearth.planetWhichisthesmallest?staruniversegalaxysolarsystemWhichisthelargest?planetsmallstaruniversegalaxysolarsystemlargetheearth(planet)thesungoaroundanenvironmentthesolarsystem(groupofstarsandplanets)theGalaxybillionsofstarsEarth--planetstarsolarsystemgalaxyuniverseWhatdoyouknowabouttheuniverse?SunReadP22.

Theearthisaplanetanditgoesaroundthesun.Sevenotherplanetsalsogoaroundthesun.

地球是颗行星，它围绕着太阳转。此外还有七颗行星也围绕着太阳转。2)goaround:

绕着……运转

TheEarthgoesaroundtheSun.

地球绕着太阳转。

Let'sgoaroundthetown,notthroughit.

我们绕过这城镇吧，不要穿过去了。(1)none作不定代词,既可指人,也可指物,后可接of结构；而noone只表示人,后面不能接of结构。

(2)none作主语,指可数名词时,后面动词用单复数均可。none指不可数名词时,谓语动词用单数。noone作主语时,谓语动词要用单数形式。如：

NoneofushasbeentoHongKong.

我们之中没有人去过香港。

Noonecananswerthedifficultquestion.

没有人能回答这个难题。Werangseveraltimes,butnooneanswered.我们按了几次铃，但没有人来开门。Noneofushas/havebeentoSanya.我们都没去过三亚。—I’mhungry.Isthereanybreadinthefridge?—_____,butwehavecakes.Wouldyouliketohaveone?A.SomeB.MuchC.NoneD.NothingPractise选择适当的单词完成句子。1._____ofushasbeentoEgypt.2.______candothedifficultjob.none;nooneNooneNone3)other/theother/others/another这几个相类似的词容易弄混淆，其实意思大相径庭。other其它的（人或物）,后面经常跟可数名词复数形式；

Wehaven’tfoundlifeonotherplanetsyet.

我们还没有在其它的星球上发现生命。（其他的星球不可能只有一个）theother（两者中的）另一个,后面不可能跟复数形式；

Hehastwodaughters.Oneisateacher,theotherisadoctor.

他有两个女儿，一个是老师，另一个是医生。（有且只有两个，两者中的另一个）others其它的人或物（已经包括在内）,后面不能跟名词，本身就含有名词的含义；Somepeoplecamebycar,otherscameonfoot.

有些人是坐汽车来的，其他人是走着来的。（others后面不能再加名词）another（三者以上中的，或不知道数量的）另一个,后面也不可跟复数形式。

Wouldyoulikeanothercupoftea?

你要再来有一杯茶吗？（泛指再来一杯）Whathavescientistsdiscovered?2.Whyisitimpossibletoimaginehowlargetheuniverseis?They’vediscoveredmanyothergalaxiesintheuniverse.Becausetheyareveryfarawayandtheirlighthastotravelformanyyearstoreachus.The3rdParagraph.Questions:

Scientistshave____________________theplanetMarsto____________.Theyhaveevensentspaceshipsto______________thesolarsystem.However,nospaceshiphastravelled_______________________otherstarsinourGalaxy.The4thParagraph.sentspaceshipstotakephotostraveloutsidefarenoughtoreachPara53.However,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.

然而，还没有任何航天器能到达银河系里的其他恒星。Heisnotoldenoughtojointhearmy.他年龄太小，不能参军。Wehaveenoughtimetofinishthework.我们有充足的时间完成这项工作。enough作副词，修饰形容词或副词时放在被修饰词后面；enough作形容词，修饰名词时常放在被修饰词之前。如：形容词/副词+enoughtodo表示“到达……程度，会发生某结果”。

Heisoldenoughtogotoschool.

他到上学的年龄了。

Hegotupearlyenoughtocatchthefirstbus.

他起得很早，赶上了首班车。6....withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?

……宇宙中有这么多星球，我们是孤独的

吗，抑或太空中还有其他生命存在呢？这里withsomanystarsintheuniverse是介词短语，在句中作状语。with+名词+介词短语,在句中做状语，表示伴随情况。

Withsomanythingstodo,wehavenotimetoplay.

要做的事情这么多，我们都没时间玩了。Thewomanstoodtherewithherhandsinthepockets.那个女士站在那里，手插在口袋里。Practise—Whydoyoualwayssleep______?—BecauseI’mafraidofthedark.A.byyourselfB.withthedooropenC.withthewindowopenD.withthelighton4.Withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?alone作形容词,意为“孤单的,独自的”,只能作表语。如：

Iwasaloneintheclassroom.

我独自在教室里。

Totellyouthetruth,Idon'tfeellikebeingalonetonight.

说实话,我今晚不想孤单一人。alone还可作副词,意为“只有；仅仅；单独地”。如：Shelivesaloneinthathouse.

她独自一人住在那栋房子里。Youcan'tliveonbreadalone.

你不能仅靠面包维生。[辨析]alone与lonely的区别

alone侧重于说明独自一人,没有人陪伴,不强调主观感情；lonely形容人时,则表示情感上“孤独的；寂寞的”,常作表语。如：Hewasverylonelyafterhiswifeleft.

他妻子离开后，他很孤独。Shefeelsverylonely.

她感觉很孤独。practiceHe

lives___,butheneverfeels_____.A.lonely;aloneB.lonely;lonelyC.alone;lonelyD.alone;alone[Practice]根据汉语提示完成单词。1.Linda’sparentsareout.Shehastostayathome_________(独自地).2.Theoldmanliveswithhisdoginthebighouseandhefeelsvery________(寂寞的).alonelonelytheSuntheMercurytheEarththeVenustheMarstheJupitertheSaturntheUranustheNeptunethePlutothesolarsystem

Thesunanditsplanetsarecalled_____________Theearthisa______anditgoesaroundthesun._______otherplanetsgoaroundtheSun.planet

Seventhesolarsystem

太阳系theGalaxy/theMilkyWay银河系Thereare_________starsintheMilkyWay.billionsofOursolarsystemisasmallpartof____________.theMilkyWay=theGalaxy

银河系Itis__________toimagine.

宇宙galaxiesimpossibleScientistshavediscoveredmanyother

_________intheuniverse.Sohowlargetheuniverseis?

Thesunanditsplanetsarecalled_____________Theearthisa______anditgoesaroundthesun._______otherplanetsgoaroundtheSun.planet

Seventhesolarsystem

太阳系theGalaxy/theMilkyWay银河系Thereare_________starsintheMilkyWay.billionsofOursolarsystemisasmallpartof____________.theMilkyWay=theGalaxy

银河系Itis__________toimagine.

宇宙galaxiesimpossibleScientistshavediscoveredmanyother

_________intheuniverse.Sohowlargetheuniverseis?Theearthisa______andit__________thesun.Scientiststhinkthatlifeontheearthfor______________________years.LeadinplanetgoesaroundhundredsofmillionsofHowever,havewefoundlifeonanyotherplanetsyet?therehasbeenScientistshavesent___________totheplanetMarstotakephotos.spaceshipsTheyhaveevensentspaceships__________(travel)outsidethesolarsystem.totravelIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)___________,but(2)__________ofthemhasa(n)(3)__________likethatoftheearth.Spaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto(4)____________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe(5)________yet,butsomescientistsbelievethattheywillfinditsomeday.

communicateenvironmentnonesolarsystemuniverse

solarsystem

noneenvironmentcommunicateuniverseCompletethepassagewiththewordsandexpressionsinthebox.4P21Task5WritingWhathavethescientistsjustreceived?

(amessagefromoneofourspaceships)Lookatthepicturefromasciencestoryforchildrenandanswerthequestions.P215They’vejustreceivedamessagefromoneofourspaceships.1.Wherehasthespaceshiplanded?(Mars)2.Whathasthespaceshipdiscovered?(peopleonMars)ThespaceshiphaslandedonMars.ThespaceshiphasdiscoveredpeopleonMars.3.WhyhavethepeopleonMarsnotsentusamessage?(donotknowhowto)4.WhyhavethepeopleonMarsnotvisitedusontheearth?(donotknowhowto)ThepeopleonMarshaven’tsentusamessagebecausetheydon’tknowhowtocommunicatewithus..Theyhaven’tvisitedusontheearthbecausetheydon’tknowhowtoflytoourplanet.Lookthroughthepassageagainandpayattentiontothesentencesshowthelogic.Para.1:However,wehavenotfoundlifeonanyotherplanetsyet.Para.2:Sevenotherplanetsalsogoaroundthesun.Para.3:Scientistshavealsodiscoveredmanyothergalaxiesintheuniverse.Para.4:Theyhaveevensentspaceshipstotraveloutsidethesolarsystem.Writeapassagetodescribethepicture.UseyouranswerstothequestionsinActivity5tohelpyou.WehavejustreceivedamessagefromourspaceshiptoMars…P216Tip:

在写的过程中要注意句子间的过渡和逻辑关系。Ⅰ.从括号内选出合适的词语完成句子。1.Iwenttotheconcertlastnight.Myfive________(other/others)friendswent,too.2.TherearethreebooksbutLiLeilikes________(noone/none)ofthem.3.TheweatherinShenzhenisdifferentfrom_______(that/it)inHeilongjiang.4.It’s_________(possible/impossible)fortheboytofinishthework.Heneedshelp.5.Don’teat________(such/so)manyhamburgersaday.It’sbadforyourhealth.othernonethatimpossiblesoⅡ.用already,yet,just,ever或never完成下列句子。

1.Ihave______donetheheavyworkandnowIfeelverytired.2.—Mary,haveyoureadanybooksaboutMars?—No,Ihave___