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1、北师大版教案Unit20NewFrontiersWarm-upandLesson1TeachingaimsI.wordsandphrases：frontiertelescopeatommicroscopeastronomybacteriaradiumsolarcrewpanelinstitutecomputesenseimpactethicalradioactivepoloniumseminarlife-sizedscreenhandybiochemistrytheoreticallyrobotdatabasemeanwhilesourceexplorationbarb
2、ershopartificialintelligence,lightyear,searchengine,solarsystem,takeover,carryout,dataprocessing,theInternationalSpaceStation,clickinto,intermsof,II.listeninganddiscussionaboutsomethingofscienceIII.toreadthetextandstudythelanguagepointsTeachingtimeTwoperiodsTeachingprocessStep1RevisionSt
3、ep2newwordslearning1.asksomestudentstoreadthenewwordsfirstandcorrecttheirpronunciation2.playthetapeandhavethemreadafterthetape3.givethemafewminutestoreadthenewwordsfreely,tellthemiftheycan’treadthewords,encoreagethemtoasktheteacher.Step3Warm-up1.Readunitobjectives,andaskthestudentstotell
4、usthemeanings.2.Exercise1a)letthestudentsreadthewordsandthenmatchthebranchesofsciencewiththepictures.第4页共4页b)todiscussthepictureswiththeclass3.Exercise2a)letthestudentsreadtheKeyWordsandmakesurethattheyreallyunderstandthemeaningsoftheKeyWords.b)studentsdotheexerciseindividually,andthench
5、ecktheiranswers4.Exercise3a)makesuretheclassknowwhattodo.Thenplaythetapetwice,asksomestudentstosaytheiranswerstotheclass.5.Exercise4a)readthequestionsfirstb)havethestudentsworkinpairsanddiscussthequestionsstep4Reading1.Beforeyoustarta)readtheexercise1andaskthestudentsiftheyknowthephrases
6、’meaning.Andgivethemafewminutestodiscusstheanswersb)checktheiranswersandaskthemtogivereasonsfortheiranswers.2.Readtolearna) askthestudentslookatexercise2,andthenplaythecassettetwice.b) givethemtenminutestoreadthetextandfillthetable.c) checktheirsanswers3.Languagepointsa) look
7、into向...的里面看,窥视;浏览;观察,调查e.g.:Themayorpromisedtolookintowhethertheclashwasdesigned,oritjusthappenedbyaccident.市长答应调查这次冲突是预先计划好的,还是偶然发生的。Helookedthroughanumberofjournalsbeforehestartedtheresearchproject.他在进行该项研究课题前查阅了许多期刊。第4页共4页b) hundredsof好几百,许许多多c) communicatewith通
