人教版高一英语必修三 Unit4 A visit to the Moon.ppt

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1、Step1ConsolidationStep2fast-readingStep3detailreadingStep5talkingandwritingStep6homeworkAvisittothemoonStep4summaryUNIT4Avisittothemoon(Consolidation)1.有一个去太空旅行的机会haveachancetomakeatripintospace2.启航/出发3.升空4.逃脱地球重力的牵引5.落到地上7.向前迈步6.感到高兴/感到振奋8.既然9.熟练掌握10.燃烧起火beoffriseintotheairescapethepu

2、lloftheearth’sgravityfalltothegroundcheerupstepforwardnowthatbreakoutgetthehangofEnjoythevideoandguesswhothelittleboyisandwhathisgreatinventionis?NEWTONANDTHEAPPLEHeisIsaacNewton,thefamousscientistwhohasdiscoveredgravity.Doyouknowwhatgravityis?Canyoutellmethenamesofthemonthefollowingpi

3、cturesaccordingtotheknowledgeofPhysics?gravity:forcethatattractsobjectsinspacetowardseachother.万有引力，重力，地心引力GravityPullFloatGravityDoyouwanttogotothemoon?Imaginewhatyouwillfeelwhenyouareinspace?FloatintheuniverseWeightlessStep2FastreadingHowdoesthepassagegetorganized?A.Bytellingoldstori

4、esB.BygivingreasonsonlyC.ByshowingatopicandtellingpersonalExperiencesD.ByusingexamplesandgivingsolutionsPara1Para2Para3Para4FastreadingStep2MatchthemainideaineachparagraghReturningtotheearthAnexcitingexperienceontheMoonAbriefintroductionofaspacetripwithmyfriendThreechangesofgravityduri

5、ngthetripReadthepassagequickly,finishthetrueorfalsequestions:Theforceofofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywouldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhaschanged,theirwalkdidn’tneedalotofpractice.()FFFStep3Detailedrea

6、dingReadPara2carefullyandunderline3sentencesthatshowthechangesofthegravity.asheleftinspaceonthemoonStep3Detailedreading3timesTheforceofgravitychange1change______________asheleft2change___________whenhewasinspace3change___________whenhewasonthemoonverystrongdisappearedverylightDetailrea

7、ding:ReadPara2carefullyandunderline3sentencesthatareaboutthechangesoftheforceofthegravity.(asheleft,inspace,onthemoon)Step3DetailedreadingReadPara.4andanswer:Wastheirreturningpainful?Whathappenedtothespaceship?Yes.Firebrokeoutontheoutsideofthespaceship.DetailedreadingStep3Summary:Las