八年级英语下册《Module 3 Journey to space Unit 1》课件 （新版）外研版.ppt

Module3,Journeytospace,Module3,Unit2,Wehavenotfoundlifeonanyotherplanetsyet.,学习目标,1.熟记重点单词：none,environment,solar,system,group,galaxy,universe,light,impossible,out,communicate2.掌握重点短语:hundredsofmillionsofsolarsystem,intheuniverse,farenough,inspace,goaroundthesun,becalled,haveto,communicatewith3.掌握重点句型：(现在完成时)主语+have/has+动词的过去分词,Doyouknowthewordsandexpressionsinthebox?Puttheminorder:smalllarge.,galaxyplanetsolarsystemstaruniverse,planetstarsolarsystemgalaxyuniverse,Matchthewordswiththepictures.,A.galaxyB.planetC.solarsystemD.starE.universe,A,B,C,D,E,B,Skimming(略读)togetgeneralidea,1.Anyoneoutthere?2.LifeonEarth3.Thesunandotherstars4.Thestarsatnight,Readthepassageandchoosethebesttitleforit.,Scanning（跳读）togetdetailedinformation,Check()thetruesentences.1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.,Carefulreading（精读）tosolvedifficultpoints,goaroundthesun绕太阳转becalled被叫作solarsystem太阳系haveto不得不communicatewith与交流,与联系farenough足够远intheuniverse在宇宙中inspace在太空中,Languagepoints,Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.科学家们认为地球上的生命已经有上亿年的历史。,therebe的现在完成时“therehave/hasbeen+名词”,Therehasbeenapictureonthewallforalongtime.,Therehavebeensomeoldtreesinourschool.,eg:很长时间以来在墙壁上已经有这幅画了,在我们学校已经有一些古树了。,hundred前加基数词，表示“一百、二百、三百”，hundred要用单数形式；hundred与of连用表示“数百”时，hundred要用复数形式，即hundredsof。,例如：,thousand,million,billion和hundred的用法相同。,Thereareeighthundredstudentsinourschool.,Therearehundredsofpeopleinthepark.,Weplanted_treeslastyear.A.hundredsofB.hundredofC.fivehundredsD.fivehundredof,Practise,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？要做的事情这么多，我们都没时间玩了。,这里withsomanystarsintheuniverse是介词短语，在句中作状语。类似的例子还有：,Withsomanythingstodo,wehavenotimetoplay.,那个女士站在那里，手插在口袋里。,Practise,Whydoyoualwayssleep_?BecauseImafraidofthedark.A.byyourselfB.withthedooropenC.withthewindowopenD.withthelighton,Thewomanstoodtherewithherhandsinthepockets.,alone:独自，单独一人（没有感情色彩)lonely:孤单的，孤独的（指情感上的孤独）,她独自一人回家,Shewenthomealone.,有时，我会感到孤独。,Sometimes,Ifeellonely.,practice,Helives_,butheneverfeels_.A.lonely;aloneB.lonely;lonelyC.alone;lonelyD.alone;alone,3.Whyhasnoonecommunicatedwithus?为什么没有人和我们联系呢？Werangseveraltimes,butnooneanswered.我们按了几次铃，但没有人来开门。,noone表示“没有人”，作主语时，谓语动词常用单数形式。如：,none指三个或三个以上的人或物中“没有一个”，其后常接“of+名词/代词”，后面动词单复数形式均可。,Noneofushas/havebeentoSanya.我们都没去过三亚。,Imhungry.Isthereanybreadinthefridge?_,butwehavecakes.Wouldyouliketohaveone?A.SomeB.MuchC.NoneD.Nothing,Practise,none,environment，solar,systemgroup,galaxyuniverse,lightimpossible,outcommunicate,本课时主要单词,hundredsofmillionsofintheuniversefarenoughinspacegoaroundthesunbecalledhavetocommunicatewith,本课时主要短语,1.However,wehavenotfoundlifeonanyotherplanetsyet.2.Noneofthemhasanenvironmentlikethatoftheearth.3.Scientistshavealsodiscoveredmanyothergalaxiesintheuniverse.4.Wedonotknowthe