人教版必修三unit4-atronomy-using-language课件.ppt

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1、Usinglanguage:AvisittothemoonLookatthepictures!Whowasthefirstpersonwhovisitedthemoon?NeilArmstrongInJulyof1969,hecommandedtheApollo11andlandedonthemoon.floatzerogravity/weightlessTask2.Skimming1.WhodoIhaveachancetotraveltothemoonwith?2.Howdidwetraveltothemoon?3.What’sthewritingorderinthistex

2、t?4.Howmanytimeswouldtheforceofgravitychangeonourjourney?LiYanPin,anastronomerByspaceshipThreetimesTimeorderTimeorderBeforevisitingWhilevisitingAftervisiting(Beforeweleft)(Whenwegotthere)(returningtotheearth)Theforceofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywo

3、uldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhaschanged,theirwalkdidn’tneedalotofpractice.()4.“Avisittothemoon”wasnotarealstorybutsciencefiction.()5.Theirreturningtotheearthwasfrightening.()FFFTTthreewouldasifdid(Para3,L8)(Para2,L9)(Para2,Line1)(Para4,L2)Detailedr

4、eading:TrueorfalsequestionsverystrongdisappearedverylightReadPara2carefullyandunderline3sentencesthatareaboutthechangesoftheforceofthegravity.(asheleft,inspace,onthemoon)CarefulreadingThechangeofgravityonthemooninspacegravityverylightdisappearingstrongontheearthThechangeofmyweightweightonthe

5、mooninspaceontheearthone-sixthheavynoweightOnthemoonThechangeofgravityInspaceVerystrongVeryheavyDisappearedFloatedweightlesslyVerylightLeavetheearthScanningWiththerocketrisingintotheair,wewere______intoourseatbecauseofthestrong_____oftheearth’sgravity.Graduallytheweight_______aswemovedfarawa

6、yfromtheearth.AndI______weightlesslyaroundinourspaceshipcabin.Whengettingclosertothemoon,wefeltpulledby______,butitwasnotasstrongastheearth’s.pushedpulllessenedfloatedgravityReadPara1﹠2:1.Fromthepassage,wecaninferthat_____A.Thewriterwasanastronomer.B.Itwasthewriter’sfirsttimetomakeatripintos

7、pace.C.LiYanpinghadbeentospaceseveraltimes.D.LiYanpingandthewriterwasdoingaresearchintospace.2.Whentherocketwasbeingsentintotheair,thewriterandLiYanping_______.A.werefloatingaroundinthecabin.B.weretalkingandlaughinghappily.C.weresleepingincomfortin