2013北师大版高二下unit 20《new frontiers》(lesson 3)word教案3

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1、lesson3ScientificBreakthroughsTeachingAims:　　1.Touseproperreadingstrategiesfordifferenttasks.　　2.Toimprovepracticalreadingskillsandability　　3.TogetfamiliarwithscientificbreakthroughsinthelastcenturyTeachingdifficulties:learntousereadingstrategiesTeachingAids:computerTeachingprocedures:Ⅰ.Warmi

2、ngup:quiz　　Usesomedescriptionsandpictures,askstudentstoguesswhothegreatscientistis.(由此引入本课话题：scientists,andscientificbreakthroughs)Ⅱ.ReadingPractice　1.　readingforgeneralidea[(1.)Showstudentsthereadingstrategyforgeneralidea.Thenstudentsreadthetextanddosomeexercises.(2)Ex2.Trytomatchthediscover

3、ieswithhowtheywerediscovered?[(3)multiplechoice:Thepurposeofthisarticleis____.A.theintroductionoftheWrightBrothersB.theintroductionoftheprocessofscientificbreakthroughC.introductionofthemajorscientificdiscoveriesinthe20thcenturyD.thecontributionsscientistsmadetotheworld（4）booksclosed.Matchthe

4、pioneerswiththedeeds2.readingforspecificinformation(1)showthereadingstrategiesandletstudentsworkingroupstodosomeTorFexercise.(2)WhileAlbertEinsteinwasrockinghisone-year-oldbaby,he_______.A.wasawareofrecentscientificdevelopmentsB.thoughtoverMarieCurie’sresearch.C.heshowedthatnoteventime,massor

5、lengthareconstant.A.cameupwiththefamous“theoryofrelativity”(让学生思考：各个选项是否来自课本，干扰项是如何设置来迷惑人的，arethereadingstrategiesusefulandeffective?)(让学生在探索中学会运用阅读技巧获取和处理信息，学会合作学习)Ⅳ.afterreading　Task1.Vocabulary:Exs5inthetextbookandaskstudentstofindsomeusefulexpressioninthetext.　Task2.Discussion:talkaboutsc

6、ientificbreakthroughsandtheirinfluenceonourlife