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ID:57198101
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页数:43页
时间:2020-08-03
《人教版必修三unit4Using-language课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、英语教学课件系列Unit4Astronomy:thescienceofthestarsUsinglanguageReadingAVISITTOTHEMOONspacewalkWhatcountryfirstsentpeopleintospace?Howmanycountrieshavesucceededinsendingpeopleintospacesofar?Whofirstlandedonthemoon?Themoonisourclosecosmic(宇宙的)neighbor,andhumanshavebeenexploringitssurfaceeversinc
2、etheyfirstdevelopedtelescopes.ThefirstpersonthatsteppedontothemoonNeilArmstrongNeilArmstrongwasborninOhioin1930.HewasapilotintheU.S.AirForcebeforeheenteredthespaceprogram.InJulyof1969,hecommandedtheApollo11andlandedonthemoon.Hemadehistorybywalkingonthemoonfirstly.Photosaboutthemoonspace
3、capsuleTodayIndia,China,andJapanallhavelunarexplorationprojectsindevelopment.TheUnitedStates’ownplanisperhapsthemostambitious—toreturnhumanstothemoonby2020andeventuallyusethemoonasastagingpointforhumanflighttoMarsandbeyond.China’sentirelunarexplorationprojectisdividedintothethreestepsof
4、orbiting,landing,andreturning.TheChang’e-1satellite,China’sfirstlunarprobesatellite,waslaunchedonOct.24,2007.China’sfirstastronaut---YangLiweiReadthe4paragraphsquickly,andfindoutthetopicofeachparagraph.Para1:Para2:Para3:Para4:Lastmonthwevisitedthemoon.Howtheforceofgravitychangedwhenwetr
5、aveledfromtheearthtothemoon.ThethingsIdidonthemoon.Wereturnedtotheearth.1.Thepassageismainlyabout____?A.introductionofthemoonB.thegravitythatIfeltonmywaytothemoonC.myvisittothemoonD.myfriendYanping,anastronomerReadthetextcarefullyandchoosethebestanswer.C2.Accordingtothetext,weknowthatth
6、eforceofthegravitywouldchange_____times.A.2B.3C.4D.53.Whendidtheauthorfeelstrongestofthegravityoftheearth?A.Onthemoon.B.Onthehalfwaytothemoon.C.AttheverybeginningD.OntheirleavingfromthemoonCB4.Whatcausesthewritertofeelthathebecomesweightlessonthemoon?A.SpaceshipB.GravityC.HisfriendD.His
7、GoodfeelingsofthemoonBReadthepassagecarefullyandthendescribethethreewaysinwhichgravitychangedforLiYanpingandhowhisweightchanged.Thepullofgravitybecameverystrongashelefttheearth’satmosphere.Hisweightisnormal.2.Itdisappearedwhenhewasinspace.Heisweightless.3.Itwasverylightwhenhewa
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