最新上课用的必修三unit4-atronomy-using-languagePPT课件.ppt

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1、上课用的必修三unit4-atronomy-using-languageWhatistheearth’snaturalsatellite?Themoon.（天然卫星）spacewalkLookatthepictures!Theforceofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywouldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhas

2、changed,theirwalkdidn’tneedalotofpractice.()4.“Avisittothemoon”wasnotarealstorybutsciencefiction.()5.Theirreturningtotheearthwasfrightening.()FFFTTthreewouldasifdid(Para3,L8)(Para2,L9)(Para2,Line1)(Para4,L2)Detailedreading:Trueorfalsequestions课文短语与句子考点梳理Translatetheword

3、sorphrasesbelow1.theforceofgravity_________2.spaceship____________3.rocket__________4.pull_____________5.float_________spaceshipcabin____________7.weightlessly_____________8.exhausting______________9.escapethepulloftheearth’sgravity_______________10.lessentheweight_____

4、__________11.inspace______________重力n.宇宙飞船n.火箭拉力；牵引力v.漂浮太空舱失重地adj.筋疲力尽的逃离地球的引力减少重量在宇宙空间exhausted1.有机会去做某事2.做一次太空旅行3.向某人解释某事4.离开，出发5.接近...6.高兴，振奋7.既然8.掌握，了解9.(不好之事)突发；爆发1.haveachancetodosth.2.makeatripintospace3.explaintosb.sth.4.beoff5.getcloserto6.cheerup7.nowthat8.get

5、thehangof9.breakout(break-broke-broken)=setoff(since)Findouttheusefulphrases(1min)1.我的朋友李彦平是一位天文学家。上个月我有幸得到一个机会同他一起去太空旅行。1LastmonthIwasluckyenoughtohaveachance_____(make)atrip___spacewithmyfriendLiYanping,____astronomer.2.我们乘宇宙飞船参观了月球。2Wevisitedthemoon____ourspaceship!3

6、.在启程以前，李彦平向我解释说，在我们的航行中会有三次引力的改变，而第一次的改变将是最强的。3Beforeweleft,LiYanpingexplained____methattheforceofgravity____changethreetimesonourjourneyand______thefirstchangewouldbethemostpowerful.完成语法考点并把句子翻译成中文intoantomakeintothatwould4.这种引力太强了，以至于我们彼此间都不能说话了。4____wassohardthatweco

7、uldnotsay____toeachother.5.随后这个力量慢慢减小，我才能够同他讲话。5_______(gradual)theweight_______(less)aswemovedfarawayfromtheearth.AndIfloated______(weight)aroundinourspaceshipcabin.6.李彦平解释说：“现在我们离地球太远了，感觉不到地球的拉力，所以我们感觉好像没有地球引力了。"6Wearetoofarfromtheearthnow_____(feel)itspull,"heexplain

8、ed,"sowefeelasifthereisnogravityatall.lessenedItanythingweightlesslyGraduallytofeel7.当我们更接近月球时，就会感到月球的引力在拉我们。但