八年级英语Wehaventfoundlifeinotherplanetsyet课件1

Module3JourneytospaceUnit2Wehaven’tfoundlifeonotherplanetsyet.planetsolarsystemalsononeenvironmentairgrow(grew,grown)

n.行星太阳系

adv.也;同样pron.

没有一个

n.环境

n.空气

v.生长;种植Wordsandexpressionspartgalaxybillionuniverselightbeyondalone

n.部分

n.星系

num.十亿

n.宇宙

n.光线；电灯prep.在……之外

adj.孤单的，孤独的WordsandexpressionsSpace&EarthYuriGagarin,SovietUnion12,April,19611986年1月28日,“挑战者”号航天飞机在肯尼迪航天中心发射升空不久后爆炸。1968年12月27日,阿波罗8号——第一次载人的月球行动，在完成了历时六天的历史性航行之后，安全返回地球。爱德温·艾尔德林

环绕地球飞行的宇航员每“天”可以看见16次日出和16次日落。Whoishe?HeisChina’sfirstastronaut.TheShenzhouVspacecraftorbitedtheEarth14timesatanaltitudeof343kilometres.Thespaceflightlasted21hoursbyYangLiweiinOctober,2003.YangLiweiwascalled“China’sfirstastronaut”.Discussion1.Howmanyplanetsarethereintheuniverse?2.Isthereanylifeonotherplanets?possibleanswers:theEarththeSunMarsthemoonListening2A.galaxyB.planetC.solarsystemD.starE.universeMatchthewordswiththepictures.ABCDEBReadthepassageandchoosethebesttitle.1.Anyoneoutthere?2.LifeonEarth3.Oursolarsystem4.ThestarsatnightLanguagepoints1.Wehaven’tfoundlifeonotherplanetsyet.我们在其它星球上还没有发现生命。theother(s)与other(s)的区别：(1)theother与other后可加名词;

theothers与others后不加名词；(2)theother(s)表示一定范围内除去一部分以外后其余的全体；other(s)表示除去一部分以后的另一（些），但不是剩下的全体。Oneflowerisred,theother(one)iswhite.一朵花是红的，另一朵(花)是白的。Givemesomeotherapples/others,please!请另给我一些（苹果）吧！2.However,noonehasdiscoveredanylifeinspaceyet.然而,还没有人发现太空里的任何生命。noone与none的区别：(1)noone同义词为nobody,只用于指人，其后不跟of短语，作主语时谓语用单数，noone只能回答以who开头的问句；(2)none用于表示对三者或三者以上全部否定的不定代词，既可指人，也可指物。作主语时，谓语可以是单数，也可以是复数;none的反义词是all,none可与of连用;可以用来回答Howmany或Howmuch开头的问句。Noneofusare/isinterestedinthestory.我们没有人对那个故事感兴趣。-Whoareyouspeakingto?你在跟谁讲话？-Noone.没人。-Howmanystudentsarethereintheroom?房间里有多少个学生?-None.一个也没有。3.…arewealone,…？……我们是唯一的吗？……alone与lonely的区别：(1)alone既可作形容词，又可作副词,意为“单独地，独自地”，没有感情色彩。(2)lonely只作为形容词，意为“孤独的，寂寞的”，具有感情色彩。Hewasverylonelyafterhiswifeleft.他妻子离开后，他很孤独。4.preferlifeonMars更喜欢火星上的生活prefer表示“更喜欢”，相当于like…better。(1)prefertodo“更喜欢做某事”；“宁愿做……”(2)prefer…to…“比起……更喜欢……”prefer...to后要跟名词、动名词；Ipreferreadingbooksto

watchingTV.比起看电视我更喜欢读书。(3)preferto…ratherthan…

“宁愿……而不愿……”Theyprefertobuyanewcarratherthanrepairit.他们宁愿去买一辆新车，也不愿去修理。Putthewordsintheboxinordersmall→

large.galaxy,planet,solarsystem,star,universeplanetstarsolar

systemgalaxyuniverse3Checkthetruesentences.1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxy.4.OurgalaxyispartoftheMilkyWay.5.Thelightfromstarshastakenalongtimetoreachus.6.Scientistshavefoundlifeonotherplanets.7.Theyhavereceivedmanymessagesfromspace.8.They’vevisitedmostoftheuniverse.×√√√××××4Answerthequestionsaboutthewordsinthebox.1Whoandwhatneedsair?2Howoftenareyoualone?3Whatistherebeyondyourschoolentrance?4Howmuchhaveyougrowninthelastthreeyears?5Whatcostsamillionyuan?6HowlongdoesittaketoreachBeijing/Guangzhou?airalonebeyondgrowmillionreach5WritingLookatthecartoonpictureandanswerthequestions.—Whathavethescientistsjustheard?(messagefromspacecraft)—They’vejustheardamessagefromaspacecraft.61.Wherehasitlanded?(Mars)2.Whathasitdiscovered?(people)3.Whyhaven’ttheysentusamessage?

(can’thearus)4.Whyhaven’ttheyvisitedusonEarth?

(preferlifeonMars)5.Whathavetheymadewiththeotherspacecraft?(TVs,radios,cars)Writethestoryinthepicture.Usethe

answerstothequestionsinActivity6tohelpyou.We’vejustheardthatourspacecrafthaslandedonMars,andwe’vediscovered…7We’vejusthadsomenewsaboutthemissiontoexploreMars.ScientistshavejustheardthatthespacecrafthaslandedonMarsandhasdiscoveredpeople.Thesepeoplehaven’tsentusamessagebecausetheycan’thearus.Theyhaven’tvisitedtheEarthbecausetheypreferlifeonMars.TheyhaveusedpartsfromtheotherspacecraftfromEarthtomakeTVs,radiosandcars.Possibleversion:ExerciseIndividualactivity一、根据句意写单词。1.Everyoneknows_____travelsmuchfasterthansound.2._____ofuslikethisbadTVprogramme.3.Theflowerswill____welliftheygetenoughwater.4.Thesolarsystemisasmallpartofour______.5.Wehaven’t_____lifeonotherplanetsyet.lightNonegrowgalaxyfound二、把下列短语译成英语。1.多于2.在宇宙中3.太阳系4.他们中没有一个人5.地球上的生命6.保护环境mornthan/overintheuniversesolarsystemnoneofthemlifeonEarthprotecttheenvironment三、按要求改写下列句子。1.IhavebeentoAmericabefore.（变成一般疑问句）_______________________________2.have,finished,not,I,homework,my（连词成句）_______________________________3.She__________theGreatWalltwice.（选hasgoneto/hasbeento填空）HaveyoubeentoAmericabefore?Ihavenotfinishedmy