八年级英语下册 Module 3 Journey to space Unit 2 We have not found life on any other planets yet课件 （新版）外研版.ppt

unit2wehavenotfoundlifeonanyotherplanetsyet module3journeytospace 目录 contents 课前预习 课堂导学 课文理解 课堂小测 课后作业 课前预习 目录 contents 课堂导学 目录 contents 1 scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears 科学家们认为地球上的生命已经有上亿年的历史 hundred与具体数字连用 不加 s 如 twohundred二百 hundredsof不与具体数字连用 拓展 thousand 千 million 百万 billion 亿 和hundred的用法相同 hundredsof数以百计的 thousandsof数以千计的 millionsof数以百万计的 billionsof数以亿计的 数十亿的 学以致用 thereare peopleinthezooonchildren sday a onehundredsb twohundredsofc hundredsofd hundredof2 noneofthemhasanenvironmentlikethatoftheearth soscientistsdonotthinktheywillfindlifeonthem 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 c 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 谓语动词可以是单数 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 noone同义词为nobody 只用于指人 其后不跟of短语 作主语时谓语动词用单数 noone只能回答以who开头的问句 学以致用 1 noneofus beentomars 我们中没一个去过火星 has have 2 noone discoveredanylifeinspaceyet 还没有人发现太空里的任何生命 3 whoareyouspeakingto 没人 4 howmanystudentsarethereintheroom 一个也没有 3 however nospaceshiphastravelledfarenoughtoreachotherstarsinourgalaxy 然而 还没有宇宙飞船飞行足够远的距离到达我们银河系的其他恒星 has noone none enough修饰形容词或副词时要位于所修饰的词之后 常用结构为 adj adv enough todo 如 mysisterisoldenoughtogotoschool 我妹妹的年纪足够大 可以去上学了 学以致用 she snotstrongenough walkingupmountains a togob goingc god went a 4 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 withsomanystarsintheuniverse是with引导的介词短语 在句中作状语 如 withsomanythingstodo wehavenotimetoplay 要做的事情这么多 我们都没时间玩了 thewomanstoodthere 那位女士站在那里 手插在口袋里 withherhandsinthepockets 课文理解 目录 contents 一 根据课文内容 完成下列思维导图 然后口头复述课文 anyoneoutthere planets solarsystem galaxies traveloutsidethesolarsystem questions 二 请认真阅读课本act 2短文 完成下列题目 1 howlonghaslifebeenontheearth a hundredsofyears b millionsofyears c hundredsofmillionsofyears d thousandsofyears 2 howmanyplanetsdoesthesunhave a sevenb eightc nined ten 3 thesunanditsplanetsarecalled a galaxyb thesolarsystemc milkywayd theuniverse c b b 4 accordingthepassage whichofthefollowingisright a planet star solarsystem galaxy universeb planetstar galaxy solarsystem universed star planet solarsystem galaxy universe 5 whichisthebesttitleforthispassage a anyoneoutthere b lifeontheearth c thesunandotherstars d thestarsatnight b a 三 请根据课本act 2短文 完成下列短文填空 thoughscientiststhinkthattherehasbeenlifeontheearthfor1 ofmillionsofyears wehavenotfoundlifeonanyother2 inthesolarsystem oursolarsystemisa3 partofthegalaxy scientistshavealso4 manyothergalaxies5 theuniverse theyaresofarawaythatitis6 niverseis hundreds planets small discovered in impossible scientistshave7 spaceshipstotheplanetmarsand8 thesolarsystem however nospaceshiphastravelledfar9 toreachotherstarsinourgalaxy sent outside enough 课堂小测 目录 contents 4 一 根据中文意思或首字母提示 用单词的适当形式填空 1 scientistshavediscoveredmanyotherp intheuniverse 2 taiwanisap ofchinaforever 3 l travelsmuchfasterthansound 4 wecan tlivewithouta 5 weneedaquiet 环境 tostudyforacomingexam 6 ithinkeverychildshould 交流 withhisparents lanets art ight ir environment communicate 二 单项填空 1 theearth aplanetandit aroundthesun a are gob was wentc is god is goes 2 therehasbeenlife theearthforhundredsofmillionsofyears a inb onc ofd at 3 hepromisedtopickmeupattheschoolgate however he yet a didn tarriveb doesn tarrivec isn tarrivingd hasn tarrived d b d 4 whyhasnoonecommunicated us a withb toc ford at 5 itissaidthatthediseasehaskilledmorethan peopleworldwide a twohundredsb twohundreds c twohundred sd twohundred a d 三 根据句意和汉语提示完成句子 1 地球是一颗行星 它围绕着太阳转动 theearthisa andit thesun 2 其他七大行星也围绕太阳转动 alsogoaroundthesun 3 科学家们已经在宇宙中发现了许多其他的星系 scientistshave galaxiesinthe planet goesaround sevenotherplanets discoveredmanyother universe 4 太阳系是我们整个星系的一小部分 thesolarsystemis ourgalaxy 5 他到上学的年龄了 heis toschool asmallpartof oldenoughtogo 课后作业 目录 contents 5 一 单项填空 1 chinesearelookingforwaystolearnenglishwell a thousandb thousandsc thousandofd thousandsof 2 thismoviewasn t hefellasleephalfwaythroughit a interestingenoughb enoughinterestingc interestedenoughd enoughinterested 3 thespaceship willgoaroundtheearthin2005willbecalledshenzhou a whichb whoc whomd what d a a 4 howheavilyitrainedthisearlymorning yes but ofthestudentsinourclasswaslateforschool a someb nonec alld neither 5 whydoyoualwayssleep becausei mafraidofthedark a byyourselfb withthedooropenc withthewindowopend withthelighton b d 二 句型转换 1 ihavebeentoamericabefore 变为一般疑问句 2 have finished not i homework my 连词成句 3 she thegreatwalltwice 选hasgoneto hasbeento填空 haveyoubeentoamericabefore ihavenotfinishedmyhomework hasbeento 4 sofar ilearnedmorethan1 000newwords 改错 5 ithinkhewillcometoyourbirthdayparty 改为否定句 i cometoyourbirthdayparty sofar ihavelearnedmorethan1 000newwords don tthinkhewill 三 根据句意和汉语提示完成句子 1 为什么不把书带回来 thebook 2 没有一个学生去过英国 thestudents england 3 完成今天的作业不容易 today shomework whynotbringback noneof hasbeento it shardtofinish 4 我刚读过有关火星的书 i books mars 5 从其他星系到我们这里要花费很多年 it manyyears usfromothergalaxies havejustread about takes toreach 四 拓展阅读 venus 金星 isonlyalittlesmallerthantheearth about95 oftheearth sdiameter 直径 and80 oftheearth smass 质量 thewordvenusmeansthegoddessofloveandbeautyingreek wenametheplanetsoprobablybecauseitisoneofthebrightestplanetswehaveknownbynow wehumanbeingshaveknownvenusforalongtime itisthebrightestthingintheskyexceptthesunandthemoon venusreachesitsmaximum 最大的 brightnessshortlybeforesunriseorshortlyaftersunset andisoftenthoughtasthemorningstarorastheeveningstar alotofobservationofvenuswasimportanttocopernicus sheliocentrictheory 日心说 ofthesolarsystem in1962scientistssentthefirstspacecraft 宇宙飞船 toexplorevenus sofartherehavebeenmorethan20andwe