外研版八年级下册英语M3U2市公开课一等奖省名师优质课赛课一等奖课件

Module3JourneytospaceUnit2WehavenotfoundlifeScientistshavesentspaceshiptoMars.Thejourneyhastakenseveralmonths.ListenandreadReadthepassageandchoosethebesttitleforit.1.Anyoneoutthere?2.Lifeontheearth3.Thesunandotherstars4.Thestarsatnight√

1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxy intheuniverse.Check(√)thetruesentences.×

√

√

4.Thelightfromthestarsinother galaxieshastravelledforalong timetoreachus.5.Scientistshavereceivedmany messagesfromspace.6.Spaceshipshavevisitedmostof theuniverse.√

×

×

1.Scientists

think

thattherehasbeen

lifeonEarthformillionsofyears.①宾语从句②therehasbeen:therebe完成时科学家们认为，地球上已经有生命数百万年了。ReadPara1andfindoutthissentence.Theythink_________________(曾有过)lifeonthemoon.用现在完成时therebehaseverbeenReadPara2andanswerquestions:1.WhatdoestheEarthgoaround?2.Howmanyplanetsgoaroundthesun?3.Whatisthesolarsystem?Itgoesaroundthesun.Eightplanets.Thesunanditsplanetsarecalledthesolarsystem.围着……转2.Noneofthemhasanenvironmentwithair.(L3-4)①none:一个（人\物）也没有用往返答howmany提问（noone用往返答who提问）

noneof+n.复（谓语动词单复均可）②with:有他们中没有一个有

空气环境。①—Howmanypeoplearethereintheclassroom?—_____.A.NooneB.NoneC.Nothing②这些宇航员没人去过火星。_______theastronauts________________Mars.③这里曾经有个带花园房子。______________somehouses____gardens.Noneofhave/hasbeentoTherehavebeenwith3.Thesunanditsplanetsarecalledthesolarsystem.(L5-6)becalled:被叫做（被动语态）那个演唱组合叫S.H.E.。Thepopgroup___________S.H.E..iscalledReadPara3fillintheblanks:Thestarswesee________arethesunsinothersolarsystem.Thereare__________200billonstarsinourgalaxy,calledthe__________,andoursunisonly___________.atnightmorethanMilkyWayoneofthem4.Thestarsweseeatnightarethesunsinothersolarsystems.(L1-2)定语从句：用来解释前面名词。

……+前面名词我们晚上看到星星是其它星系恒星。TheboywhoistalkingtotheteachercomesfromEngland.正在和老师谈话男生来自英国。ReadPara4answerquestions:Whathavescientistsdiscovered?2.Whyisithardtoknowhowlargetheuniverseis?They’vediscoveredmanyothergalaxies.Becausetheyareveryfaraway.5.……theirlighthastravelledformanyyearstoreachus.他们光线需要好几年才能抵达地球。抵达某地arrivein+大地方at+小地方getto+地方

reach+地方【温故知新】后面没有地点只用arrive①Hewillcallyouassoonashe_____Foshan.A.arriveinB.getsC.reaches②Whocantellmewhenhe___?A.reachedB.gottoC.arrived③Thelightistoohigh.Ican’t____it.A.reachB.arriveC.get6.It’shardtounderstandhowlargetheuniverseis.()It’shardforthestudents_____theEnglishwell. A.learn B.tolearn C.learningItis+形+(forsb.)todo…B极难明白宇宙有多大。ReadPara5、6andanswerquestions:Hasanyonediscoveredlifeinspace?Noonehasdiscoveredanylifeinspaceyet.(P5,L4)7.Withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?(P6,L3)bealone:孤独，孤独行为动词+alone孤独地…，独自…loney寂寞,孤独feellonely感到孤独宇宙中有这么多星体，我们是单独吗？太空中还有其它生命吗？用lonely，alone填空①Theoldmanlives______butheneverfeels_______.Becausehehasmanyfriendsthere.②Don’tleaveyourchild______athome.alonelonelyaloneCmunicateenvironmentnonesolarsystemuniverseIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)____________,but(2)______ofthemhasa(n)(3)____________likethatoftheearth.solarsystemnoneenvironmentSpaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstried