人教版必修三unit4Using language课件.ppt

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1、英语教学课件系列Unit4Astronomy:thescienceofthestarsUsinglanguageReadingAVISITTOTHEMOONspacewalkWhatcountryfirstsentpeopleintospace?Howmanycountrieshavesucceededinsendingpeopleintospacesofar?Whofirstlandedonthemoon?Themoonisourclosecosmic(宇宙的)neighbor,andhumanshavebeenexploringitssurfaceeversincetheyfir

2、stdevelopedtelescopes.ThefirstpersonthatsteppedontothemoonNeilArmstrongNeilArmstrongwasborninOhioin1930.HewasapilotintheU.S.AirForcebeforeheenteredthespaceprogram.InJulyof1969,hecommandedtheApollo11andlandedonthemoon.Hemadehistorybywalkingonthemoonfirstly.PhotosaboutthemoonspacecapsuleTodayIndi

3、a,China,andJapanallhavelunarexplorationprojectsindevelopment.TheUnitedStates’ownplanisperhapsthemostambitious—toreturnhumanstothemoonby2020andeventuallyusethemoonasastagingpointforhumanflighttoMarsandbeyond.China’sentirelunarexplorationprojectisdividedintothethreestepsoforbiting,landing,andretu

4、rning.TheChang’e-1satellite,China’sfirstlunarprobesatellite,waslaunchedonOct.24,2007.China’sfirstastronaut---YangLiweiReadthe4paragraphsquickly,andfindoutthetopicofeachparagraph.Para1:Para2:Para3:Para4:Lastmonthwevisitedthemoon.Howtheforceofgravitychangedwhenwetraveledfromtheearthtothemoon.Thet

5、hingsIdidonthemoon.Wereturnedtotheearth.1.Thepassageismainlyabout____?A.introductionofthemoonB.thegravitythatIfeltonmywaytothemoonC.myvisittothemoonD.myfriendYanping,anastronomerReadthetextcarefullyandchoosethebestanswer.C2.Accordingtothetext,weknowthattheforceofthegravitywouldchange_____times.

6、A.2B.3C.4D.53.Whendidtheauthorfeelstrongestofthegravityoftheearth?A.Onthemoon.B.Onthehalfwaytothemoon.C.AttheverybeginningD.OntheirleavingfromthemoonCB4.Whatcausesthewritertofeelthathebecomesweightlessonthemoon?A.SpaceshipB.GravityC.HisfriendD.HisGoodfeelingsofthemoonBReadthepassagecarefullyand

7、thendescribethethreewaysinwhichgravitychangedforLiYanpingandhowhisweightchanged.Thepullofgravitybecameverystrongashelefttheearth’satmosphere.Hisweightisnormal.2.Itdisappearedwhenhewasinspace.Heisweightless.3.Itwasverylightwhenhewa