1人教版高中英语必修3 Unit 4 Astronomy using language ：A visit to the moon课件（共16张PPT）（含音频+视频）.ppt

AvisittothemoonPayavisittothemoonHow?What?1Thereisnogravityinspace.2Onthemoonthereisnogravity.3Inthespaceship,wecanfloatweightlesslyaround.4Wecanwalkasfreelyonthemoonasontheearth.TestsonGravityTFTFWalkingdoesneedabitofpracticenowthatgravityhaschanged.Ontheirtriptothemoon,howmanytimesdidtheforceofthegravitychange?ThewaygravitychangedLefttheearthInspaceOnthemoonItbecamevery______.Thegravitybecamevery________.Thegravity_________.strongdisappearedlightWhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandIfellover.Icheeredupimmediatelyandfloatedweightlesslyaround…1.Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.cheerup:欢呼，喝彩，使高兴。当看到球队的到来，人群欢呼起来。_____________________whentheysawtheteamarrive.为了让她高兴，他带她去听音乐会。Hetookher____________to___________.Thecrowdcheereduptotheconcertcheerherup倍数的表达方法Ａis+倍数＋as＋形容词原级＋asＢＡis+倍数＋形容词的比较级＋thanＢＡis+倍数＋the＋n.(size,weight,height,length…)ofＢTheparkisthreetimesasbigasthatone.Theparkisthreetimesbiggerthanthatone.Theparkisthreetimesthesizeofthatone.1).Leavingthemoon’sgravitywasnotaspainfulasleavingtheearth’s.2).Weshallfellitsgravitypullingusbutitwillnotbeasstrongapullastheearth’s.(not)as/so+形容词原级+asas+adj.+a/an+单数可数名词+asItisgenerallybelievedthatteachingis_____itisascience.anartmuchasB.muchanartasC.asanartmuchasD.asmuchanartasDnowthat＝since:既然，由于既然每个人都到了，我们就可以开始会议。_________________________,wecanbeginthemeeting.由于你是一个大男孩,你就必须行为表现得更好._______________________,youmustbehavebetter.NowthateverybodyishereNowthatyouareabigboy2.Icried,“walkingdoesneedabitofpracticenowthatgravityhaschanged.”