北师大版高中英语选修七unit 20《new frontiers》（lesson4.1）word学案

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1、Unit20Lesson4学习目标Bytheendoftheclass,thestudentswillbeableto:nInternalizingandexternalizingtheknowledgenEnhancingscientificknowledgeandinterestinspaceexplorationnInspiringandmotivatingstudents学习过程课堂活动（一）预习交流DiscussionWritedownrelevantkeywords:BeforeReading:WordGues

2、sing1.boundary2）barrier3)primitive4)permanent5)spin（二）合作探究Justfromreadingthetitle,makeapredictionaboutthemainideaofthearticle.WriteitDown.Ithinkthisarticlewillbemainlyabout____________________________________________________________________________________________

3、______________________________________.FirstReadingP26Ex.1SecondReadingP26Ex.2/P26Ex3ThirdReadingTask1.P26Ex4Task2Summary:ClassifythelinkingwordsTask3LinkingPracticeP74Ex4Task4CompletethesentencesP27Ex5（三）分层提高FillintheformwithDetailedInformationEventTimeCountry/Si

4、gnificanceSputnikISovietUnion1962ThebeginningofthespaceracebetweentheUSandUSSRthelaunchingofHubble1969USTelescopetheInternationalSpaceStation19901990Exploringsolarsystem,lookingforwateronthemoonnowbeingbuiltworkingasapermanentmannedscientificbaseFurtherspaceprojec

5、tssuchasDeepSpacenowTosendcamerastofind__________________________tobesetuponthemoonmannedflightsSometimelaterTootherplannets（一）总结归纳（二）巩固反馈Finishtheexercise