最新北师大版高中英语选修七Unit20NewFrontiersCommunication教学课件ppt课件.ppt

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1、北师大版高中英语选修七Unit20NewFrontiersCommunication教学课件ObjectiveInthislesson,wewilllearntowriteaboutthedevelopmentinacertainfield.AboutTheEventsinthetext195719611969197019902003thestartofspaceexplorationthefirstsuccessfulmannedflightUSputtingamanonthemoonChina’ssuccessfullaunc

2、hofDFHthelaunchofHubbleTelescopeChina’ssuccessfullaunchofSZV4.It’ssogoodthatit’sfoundloadsofnewplanets.(C)Thetelescopeissoprecisethat,overfiftynewplanetshavebeenlocatedbeyondoursolarsystem.5.They’regoingtosendoutcamerastofindplaceslikeEarth.(D)Furtherspaceprojectssuch

3、asDeepSpace,willsendoutcamerasinorderthattheymightfindEarth-likeplanetswheretheremightbelife.Ex.3Matchthesewordswiththeidiomaticexpressionsfromthetextinitalics.(1-5)allovertheworld,astageontheway,thepossibilitiesareendlessdecreased,shownwe’vebeenthereWehaveleftourmark

4、everywhere.2.allfourcornersoftheglobe.3.Thenumberofmannedflightsdroppedoff.4.It’sasteppingstone.5Theskyisnolongerthelimit.RefertoP98Style&UsefulVocabularyEx.4Classifythelinkingwordsunderlinedinthetextasaorb.(IndividualWork)reason---explainsthecauseofanactionb)purpose-

5、--showstheaimofanactionParaA.…ourancestorsleftAfrica(1)tospreadoutallovertheworld.ParaC.Recentlytherehasbeenanotherburstofinterestinspace(2)asaresultoftheHubbleTelescope.ParaC.Itwaslaunchedin1990(3)sothatastronomerscouldobservespacewithouttheEarth’satmospherebeingabar

6、rier.purposereasonpurposeParaC.Otherexcitingdevelopmentsincludetwootherprojects(4)forexploringoursolarsystem…ParaD.TheinternationalSpaceStationisnowbeingbuiltintheEarth’sorbitandsoonwillbeworkingasapermanentmannedscientificbase,(5)soastoresearchlifeinspaceandprovideas

7、teppingstone(6)incasefuturemannedflightsaresentout.ParaD.FurtherspaceprojectssuchasDeepSpace,willsendoutcameras(7)inorderthattheymightfindEarth-likeplanetswheretheremightbelife.purposepurposereasonpurposeParaE.TheSuccessofShenzhouVwasimportant(8)asitwasthefirststepinC

8、hina’smannedspaceprogramme.ParaE.ThenextstepwillbetosendastronautsintotheEarth’sorbit(9)inordertosetupspacestationstoconduct