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2014新版外研版英语八年级下册M3 U2.ppt

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    • 1、Theearthisa_andit_thesun.Scientiststhinkthattherehasbeenlifeontheearthfor_years.planetgoesaroundhundredsofmillionsof数亿的数亿的However,havewefoundlifeonanyotherplanetsyet?Discussion1.Howmanyplanetsarethereintheuniverse?2.Isthereanylifeonotherplanets?solarsystemplanetstheSuntheEarthMarsToknowaboutthesolarsystemuniverse宇宙宇宙planet行星行星galaxy星系星系Lookatthepicturesandthinkaboutthethingsyouknowaboutlifeonotherplanets.Lookatthepicturesandthinkaboutthethingsyouknowaboutlifeonotherplanets.solarsystem太阳系太阳系star恒

      2、星恒星moon月球月球 The sun and its planets are called _The earth is a _ and it goes around the sun. _ other planets go around the Sun.planet Seventhe solar system太阳系太阳系the Galaxy / the Milky Way 银河系银河系There are _ stars in the Milky Way.billionsofOur solar system is part of _.Scientistshavediscoveredmanyother_intheuniverse.Soitis_toimaginehowlargetheuniverseis.galaxiesimpossibleScientistshavesentspaceshipstotheplanetMarstotakephotos.Theyhaveevensentspaceshipstotraveloutsidethesolarsystem.1. nn2. nvarnmn

      3、t3. t4. sl(r)5. sstm6. ru:p7. lks8. ju:nv:s9. lat10. mpsbl11. at12. kmju:nketnoneenvironmentthatsolarsystemsolarsystemgroupgalaxyuniverselightimpossibleoutcommunicatepron.没有一人没有一人n.环境环境pron.那,那个那,那个adj.太阳的太阳的n.系统,体系系统,体系星系,太阳系星系,太阳系n.群,组群,组n.星系星系n.宇宙宇宙n.光光/光线光线/光亮光亮adj.不可能的不可能的adv.在远方在远方v.联系,交流联系,交流没有一人没有一人环境环境那,那个那,那个太阳的太阳的系统,体系系统,体系太阳系太阳系群,组群,组星系星系宇宙宇宙光光/光线光线/光亮光亮不可能的不可能的在远方在远方联系,交流联系,交流noneenvironmentthatsolarsystemsolarsystemgroupgalaxyuniverselightimpossibleoutcommunicateLookatthepictureand

      4、talkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9 is a manned spaceship.Scientists think that there has been life on Earth for hundreds of millions of years. However, we havent found life on any other planets yet. find-found-foundTheEarthisaplanetanditgoesaroundthesun.SevenotherplanetsalsogoaroundtheSun.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.TheSunanditsplanetsarecalledthesolarsystem.Andoursolarsystemisasmallpartofamuchlargergroupofstarsandp

      5、lanets,calledthegalaxyortheMilkyWay.Therearebillionsofstarsinthegalaxy.Andoursunisonlyoneofthem.But scientists have also discovered many other galaxies in the universe. They are very far away and their light has to travel for many years to reach us. So how large is the universe? It is impossible to imagine.Scientists have sent spaceships to the planet Mars to take phones. They have even sent spaceships to travel outside the solar system. However, no spaceship has travelled far enough to reach ot

      6、her stars in our galaxy. Scientists have always asked the questions: with so many stars in the universe, are we alone, or is there life out there in space? Have there been visitors to the earth from other planets?Why has no one communicated with us? We dont know the answers municatewithsb.和某人联系和某人联系1.Anyoneoutthere?2.LifeonEarth3.Thesunandotherstars4.ThestarsatnightReadthepassageandchoosethebesttitleforit.planetstheSuntheEarthMarsthe solar system行星行星200 billion starsIts a part of the universe(宇宙

      7、宇宙).Matchthewordswiththepicturesgalaxyplanetsolar systemstaruniverse太阳太阳Put the words and expressions from the smallest to the largest :A. galaxy B. planet C. solar system D. star E. universeBDCAE1.TheEarthisastar.2.TheSunisastar.3.Thereismorethanonegalaxy.4.OurgalaxyispartoftheMilkyWay.5.Thelightfromstarshastakenalongwaytoreachus.6.Scientistshavefoundlifeonotherplanets.7.Theyvereceivedmanymessagesfromspace.8.Theyvevisitedmostoftheuniverse.a planet.haventhavent haventDo you think theyre right or

      8、 not?Our galaxy is called the Milky Way .信息信息大部分大部分Answer some questions about the passage:1.HavewefoundlifeonMars?2.Howmanyplanetsarethereinthesolarsystem?3.Whichislarger,thegalaxyortheuniverse?4.Whathavescientistsdonetolookatotherplanets?5.Istherelifeoutthereinspace?No,wehavent.Eight.Theuniverse.Theyhavesentlotsofspaceships.Wedontknow,wehaveneverfoundanylifeonotherplanets.1 The Sun is a _ in the solar system . The Earth is a _and it goes around the Sun .2 Altogether there are _ planets around

      9、the Sun .3 There are billions of stars in the _.4 There are many other galaxies in the _.5 We have sent spaceship to the planet _ to take photos. but we havent discovered _on other planets. starplaneteightgalaxyuniverseMars lifeThe1stPara.Questions:1.How long has there been life on the earth? 2.Have we found life on any other planets yet?There has been life on the earth for hundreds of millions of years. No, we havent.1.Whatiscalledthesolarsystem?Whatisit?2.Howmanyplanetsarethereinthesolarsystem

      10、?3.Whydontscientiststhinktheyllfindlifeontheotherplanets?The sun and its planets are called the solar system.It is a small part of the Galaxy / the Milky Way.The2ndPara.Questions:There are eight planets.Because none of them has an environment like that of the earth.1.Whathavescientistsdiscovered?2.2.Whyisitimpossibletoimaginehowlargetheuniverseis?Theyvediscoveredmanyothergalaxiesintheuniverse.Becausetheyarevery_andtheirlight_travelformanyyearstoreachus.The3rdPara.Questions:farawayhastoScientists

      11、have_spacshipstotheplanetMarsto_.Theyhaveevensentspaceshipsto_thesolarsystem.However,nospaceshiphastravelled_toreachotherstarsinourGalaxy.The4thPara.senttake photostravel outsidefar enoughSpaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto(4)_withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe(5)_yet,butsomescientistsbelievethattheywillfinditsomeday.Complete the passage with the words and expression in the mu

      12、nicateenvironmentnonesolarsystemuniverseIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)_,but(2)_ofthemhasa(n)(3)_likethatoftheearth.solarsystemnoneenvironmentcommunicateuniverse1.成百万年成百万年2.在其它的行星上在其它的行星上3.绕太阳转绕太阳转4.他们中没有人他们中没有人5.被叫做被叫做6.太阳系太阳系7.一小部分一小部分8.几十亿的星星几十亿的星星9.在宇宙中在宇宙中10.许多其他的星系许多其他的星系11.距离好远距离好远12.不得不,必须不得不,必须13.足够远足够远14.如此多如此多15.和某人联系和某人联系millionsofyearsonanyotherplanetsgoaroundthesunnoneofthembecalledthesolarsystemasmallpartofbillionsofstarsintheuniversemanyothergalaxiesfa

      13、rawayhave/hastofarenoughsomanycommunicatewithsb.1.Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.科学家们认为地球上的生命科学家们认为地球上的生命已经有已经有上亿年上亿年的历史。的历史。Hundred前加前加基数词基数词,表示,表示“一百、二一百、二百、三百百、三百”,hundred要用要用单数形式单数形式;hundred与与of连用表示连用表示“数百数百”时,时,hundred要用复数形式,即要用复数形式,即hundredsof。例如:例如:Thereareeighthundredstudentsinourschool.Therearehundredsofpeopleinthepark.Weplanted_treeslastyear.A.hundredsofB.hundredofC.fivehundredsD.fivehundredofthousand,million,billion和和hundred的用的用法相同。法相同。Practi

      14、se2.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.他们中没有一个有像地球这样的环境,因此科他们中没有一个有像地球这样的环境,因此科学家们认为在他们上面找不到生命。学家们认为在他们上面找不到生命。noneof表示(三个以上)一个也没有。表示(三个以上)一个也没有。做主语时做主语时,谓语动词可用单数或复数谓语动词可用单数或复数。e.g.我们中没一个人去过火星。我们中没一个人去过火星。Noneofushas/havebeentoMars.注意:注意:none与与noone(nobody)的区别:的区别:(1)none既可指人也可指物,既可指人也可指物,通常与表范围的通常与表范围的of短语短语连用;连用;noone(=nobody)只能指人,只能指人,不能不能与与of短语连用。短语连用。如:如:_ofthereasonswastrue.A.NoneB.NooneC.All(2)none与与数量数量有关,有关,可回答可回答howmany问句问句,表示,表示“一

      15、一个也没有个也没有”;而;而noone表示表示“什么人也没有什么人也没有”,可回答可回答who问句问句。如如:-Whoareyouspeakingto?-_.-Howmanystudentsarethereintheroom?-_.ANooneNone选择适当的单词完成句子。选择适当的单词完成句子。1._ofushasbeentoEgypt.2._candothedifficultjob.none;nooneNooneNonethat是指示代词。为避免重复,可用是指示代词。为避免重复,可用that或或those来来代替前面已提到过的人或事物;代替前面已提到过的人或事物;1.Theairinthecountrysideisfresherthan_inthecity. 2.Thestreetsinthecityarewiderandthebuildingsaretallerthan_inthecounty.3.Theenvironmentismuchcleanerthan_inthecity. 4.ThepopulationofShanghaiismuchlargerthan_ofNann

      16、ing.thatthosethatthat3.However,nospaceshiphastraveledfarenoughtoreachotherstarsinourGalaxy.然而,没有一个航天器去到足以然而,没有一个航天器去到足以到达我们银河系其他恒星那么远的地方。到达我们银河系其他恒星那么远的地方。enoughtodoadj./adv.+enough+todosth.足够足够,可以,可以not+adj./adv.+enough+todosth.不够不够,不可以,不可以(1)我们有足够的钱花。我们有足够的钱花。Wehave_.(2)他跑得够快,很快追上了我们。他跑得够快,很快追上了我们。Heran_catchupwithussoon.(3)他年龄不够大,照顾不了自己。他年龄不够大,照顾不了自己。He_.enoughmoneytospendfastenoughtoisntoldenoughtolookafterhimself4.Withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?宇宙中有这么多星

      17、球,我们是孤独的吗?抑或太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?空中还有其他生命存在呢?Withsomanythingstodo,wehavenotimetoplay.要做的事情这么多,我们都没时间玩了。要做的事情这么多,我们都没时间玩了。MsLiangcameintotheclassroom,withasmileonherface.梁老师走进教室,脸上带着微笑。梁老师走进教室,脸上带着微笑。这里这里withsomanystarsintheuniverse是介词是介词短语,在句中短语,在句中作状语作状语,表示伴随。类似的例,表示伴随。类似的例子还有:子还有:Thewomanstoodtherewithherhandsinthepockets.那个女士站在那里,手插在口袋里。那个女士站在那里,手插在口袋里。PractiseWhydoyoualwayssleep_?BecauseImafraidofthedark.A.byyourselfB.withthedooropenC.withthewindowopenD.withthelightonWithsomanys

      18、tarsintheuniverse,arewealone,oristherelifeoutthereinspace?alone作形容词作形容词,意为意为“孤单的孤单的,独自的独自的”,只能作表语。如:只能作表语。如:Iwasaloneintheclassroom.我我独自独自在教室里。在教室里。Totellyouthetruth,Idontfeellikebeingalonetonight.说实话说实话,我今晚不想我今晚不想孤单孤单一人。一人。alone还可作副词还可作副词,意为意为“只有;仅仅;单只有;仅仅;单独地独地”。如:。如:Shelivesaloneinthathouse.她她独自一人独自一人住在那栋房子里。住在那栋房子里。Youcantliveonbreadalone.你不能仅靠面包维生。你不能仅靠面包维生。辨析辨析alone与与lonely的区别的区别alone侧重于说明侧重于说明独自一人独自一人,没有人陪伴没有人陪伴,不强调主观感情;而不强调主观感情;而lonely形容人时形容人时,则表示则表示情感上情感上“孤独的;孤独的;寂寞的寂寞的”,常作表语。如:常作表语。如:H

      19、ewasverylonelyafterhiswifeleft.他妻子离开后,他很孤独。他妻子离开后,他很孤独。Shefeelsverylonely.她感觉很孤独。她感觉很孤独。Practice根据汉语提示完成单词。根据汉语提示完成单词。1.Lindasparentsareout.Shehastostay2.athome_(独自地独自地).2.Theoldmanliveswithhisdoginthebighouseandhefeelsvery_(寂寞的寂寞的).3.Dontleavethekids_athome.Itsalwaysdangerous.alonelonelyalone注注: word : word 文档文档点击此处链接点击此处链接Quiz.用方框中的单词的正确形式完成下列句用方框中的单词的正确形式完成下列句子。子。1._ofthestudentshasbeentoAustralia.2.A:Howmuchisyournewcoat.B:It_me150yuan.billioncostplanetalonenoneNonecost3.A:Doyouoftengoonline

      20、,ZhaoHui?B:No.IliketogoonlinewhenIam_athome.4.A:HowmanypeoplearethereinChinanow?B:Ithasreached1.3_.5.Theboyisonlyfiveyearsold,butheknowsaboutmany_.alonebillionplanets.用用already,yet,just,ever或或never完成完成下列句子。下列句子。1.Ihave_donetheheavyworkandnowIfeelverytired.2.Mary,haveyoureadanybooksaboutMars?No,Ihave_readawordaboutit.justnever3.Haveyou_beentotheGreatWallinChina,Vicky?Ofcourse,Ihave.4.Dontworry.Wehave_helpedyousweeptheclassroom.5.Haveyoudoneyourwork_?Sorry,butIwillfinishitinonehour.everalreadyyet.

      21、下列各句中均有一处错误,请指出下列各句中均有一处错误,请指出并改正。并改正。1.Mymotherisntin.Shehasbeentothesupermarket._2.Footballissoexcitingthatmillionofpeopleintheworldplayit._3.Thatisveryhardtoreachtheapplesonthetree._gonemillionsItIV.单词拼写。单词拼写。1.Thereistheearth,thesun,themoonandmanyotherstarsintheu_.2.Thereareeightplanetsinthesolars_.3.Weshouldtryourbesttoprotectthee_.4.A_(群,组群,组)ofkidswereplayingwithaballinthestreet.Itstoodangerous.5.Thel_intheroomispoor.Dontreadinit.6.Iwanttoknowhowthey_(交流交流)inthepast.7.Its_(不可能的不可能的)foryou

      22、todoit.8.Theoldmanisa_.Nooneliveswithhim.9.Iknow_(没有一个没有一个)ofthestudentsoverthere.10.Iaminterestedinthebooksonspace_(旅行旅行).niverseystemnvironmentgroupightcommunicatedimpossiblelonenonetravelV.完成句子。完成句子。1、今天比昨天暖和多了。、今天比昨天暖和多了。Its_todaythanyesterday.2、地球是一颗行星,它围绕着太阳转动。、地球是一颗行星,它围绕着太阳转动。Theearthisaplanetandit_thesun.3、不可能想象宇宙到底有多大。、不可能想象宇宙到底有多大。_howlargetheuniverseis.4、科学家们已经在宇宙中发现了许多其他星系。、科学家们已经在宇宙中发现了许多其他星系。Scientists_manyother_intheuniverse.5、如果你有任何问题,你可以和你的老师交流一下。、如果你有任何问题,你可以和你的老师交流一下。Ifyouhav

      23、e_,youcan_yourteacher.muchwarmergoesaroundItsimpossibletoimaginehavediscoveredgalaxiesanyquestionscommunicatewithLook at the picture from a science story for children and answer the questions.Whathavethescientistsjustreceived?(amessagefromoneofourspaceships)They have just received a message from one of our spaceships.1.Wherehasthespaceshiplanded?(Mars)IthaslandedonMars.2.Whathasthespaceshipdiscovered?(peopleonMars)3.WhyhavethepeopleonMarsnotsentusamessage?(donotknowhowto)IthasdiscoveredpeopleonM

      24、ars.Theydonotknowhowtosendusamessage.4.WhyhavethepeopleonMarsnotvisitedusontheearth?(donotknowhowto)Theydonotknowhowtovisitusontheearth.生物生物UFOE.T.supermanDo you believe(相信相信) there are any living creatures in outer space?Doyouhopethereareanylivingcreatures(生物生物)inouterspace?Why?WevejustheardthatourspaceshiphaslandedonMars,andweveAccordingtothepicture,goonwritingPossibleversion:WevejustreceivedamessagefromourspaceshiptoMars.Ourspaceshiphasdiscoveredaliensthere.Theyhaveneversentusamessagebecauset

      25、heydontknowhowtocommunicatewithus.Theyhavenotvisitedtheearthbecausetheydontknowhowtoflytoourplanet,andtheypreferlifeonMars.Theyseemveryhappyontheirplanet.TheyhaveusedpartsfromtheotherspaceshipsfromtheearthtomakeTVs,radiosandsoon.Wehopetheywilllivehappilywithusoneday!Ms Liang wish: I hope some of you will become scientists and send spaceship with astronauts to the space one day. So you should study hard now. And your dream will come true.thefirstastronautintheworldYuriGagarin尤利尤利.加加林加加林ThefirstpersonwholandedonthemoonNeilArmStrong尼尔尼尔.阿姆斯壮阿姆斯壮The first woman astronaut 捷列什科娃捷列什科娃The first person who walked in space 列昂诺列昂诺夫夫The first women spacecraft driver柯斯林柯斯林Homework1.Revisethelanguagepointsofunit2.2.DoexercisesofM3U2inyourWB.

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