九年级英语：Chapter 2 Computers教案上海牛津版VIP免费

Chapter2ComputersOverview:Thischapterisaboutcomputerandothermachine.Themainpassageisasetofshorttextsaboutdifferentaspectsofcomputersandtheireffectsonourlife.Thelisteningsectionrequiresstudentstolistentoatelephoneorderandcompleteanorderformforsomeofficeproducts.Thelanguagesectionfeaturesexercisesonvariousproductsincludingsuitcasesandcameras.Themaintaskinthespeakingsectionincludesataskinwhichstudentshavetocomparetworadio-controlledcars,andthentwoflats.ReadingAWhatdoyouknowabout…?Thisexerciseintroducesthesubjectofcomputersfurther,andteachessomeusefulbasicvocabularyitems.Askstudentstocompletetheexercise.Thosestudentswhoareveryfamiliarwithcomputerscanhelpthosewhoarenot.BFindthefactsAsbefore,usethisexercisetodevelopscanningskills.Vocabulary1.Learnthenewwords.2.Dosomeexercisesaboutthewords.CFindthemeanings[来源:学科网ZXXK]1.TellstudentstodoExC1andC2.Theymustlookcarefullyatthewordsincontextandseewhichoptionhasthecorrectmeaning.2.Tellstudentstocomparetheiranswerswiththeirpartners',andthentodiscussanydifferences.Text“Computers”ThisisaninterviewbetweenPansyandDetectiveKen.1.Listentothetapetwice.2.Readthetextafterthetape.3.Answerquestions.(1)Whatdowecallcomputers?(2)Whatkindofjobscantheydo?(3)Howdowegiveacomputerinstruction?(4)Whowritetheprogram?(5)Arealltheprogramsthesameordifferent?(6)Isacomputerclevererthanaman?(7)WhatistheCD-ROMusedfor?4.Analyzethetext.DReadandthinkThissimpleexercisedrawsattentiontooneoftheprincipalmethodsofsentencebuilding.Notes:1.Introducestudentstosuchasasanalternativewayofincludingexamplesinasentence.Whenweuseforexample,wemusthavealreadydefinedwhatwearetalkingabout.Suchascanbeusedinthesameway,butsometimesitcanbethepartofthedefinition.2.Suchasmustbeplaceddirectlynexttothewordsitrefersto,anditmustbefollowedbyanounornouns.Unlikeforexample,suchascannotbefollowedbyafiniteclause.ListeningFillinanorderform1.Thisexercisegivesstudentspracticeintwoskills:selectingtherelevantinformationfromadialogue,andfillinginaformcorrectly.2.Asusual.Explainthesituationclearly.Studentsmustacttheroleoftheman,andwritedowntheinformation.Explainanydifficultwords.Playtherecordingtwice.[来源:学,科,网Z,X,X,K]3.Checktheiranswers.4.Teachthenewwords:Screenfiltercontactreferencenoquantity本章听力练习是将所给的图片排序。在做这类听力练习前同学们应该将所有的图片都看一遍。通常给出的图片构成一个完整的故事情节，图片与图片之间也有着很强的逻辑关系利用听录音前的时间，迅速地捕捉每幅图片所提供的信息，预测短文中可能涉及到的内容这样听录音材料是就有的放矢。在看图片，也要努力辨别出图片与图片之间的不同之处，以便于准确找出与短文相匹配的图片。LanguageAComparingtwothings1.Drawsomedissimilarpairsoflines,shapesorsimpleobjectsontheboardandasktheclasstotellyouthedifferencesbetweenthem.Theyshouldbeabletomakeshortsentencestellingyou.2.Readtheintroductiontotheclass.Askstudentstogiveyouexamplesofthingswhicharecheaper,higher,andmoreusefulthantheothers.3.Pointoutthat,usually,one-syllableadjtakethe-erending.Two-syllablewordscanuseeitherthe-erendingorthemoreconstruction,butlongeradjalwaysusemore.Manytwo-syllableadjarealmostfoundthe-erform.Lucky-luckierfunny-funnierquiet-quieterclever-cleverer4.AskstudentstodoExA1ontheirown.5.TellstudentstodoExA2andA3withtheirpartners.BComparingmorethantwothings.1Readtheintroductionwiththeclass.Notethattherulesfortheformationofsuperlativeadjectivesaresimilartothosefortheformationofcompara...