unit 3 computer

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/17UNIT3COMPUTERUNIT3COMPUTER教学目标TEACHINGAIMSANDDEMANDS本单元有关电脑的知识使用学生对其有一个初步的了解。让学生了解有关中国民航运用计算机的情况。并学习如何使用向对方提建议的口语练习，通过单词的学习掌握GOUP,BRINGDOWN,PREFERTOAND,BUTALTHOUGH等词的用法。本单元的语法重点是现在完成时被动语态的使用，要求学生能够了解和掌握。TEACHINGIMPORTANTANDDIFFICULTPOINTS1IMPORTANTVOCABULARYALTHOUGH,WASTE,BELIEVE,NECESSARY,PASSENGER,RECORD,ATONETIME,GREATLY,CORRECT,COMPLETE,DECISION,ABROAD,CHANGEFOR2DAILYEXPRESSIONSFIRSTOFALL,IBELIEVEANYREASON3USEFULPHRASESITWOULDBEAWASTEOFINMYOPINION,WESHOULD精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/174GRAMMARTHEPRESENTPERFECTPASSIVEVOICE教学建议1通过对话练习，进行两个人之间对建议和推荐的用法。2通过课文的学习，掌握本单元的词和词组的用法。3通过对课外补充文章的学习，对计算机的历史和应用有所了解。LESSON33口头练习对话交际功能日常生活用语。LESSON34学生进行对文章编成对话练习。练习直接引语变间接引语。LESSON35学生继续练习对话。可以扮演CAAC的领导和记者，或计算机经销商和单位领导，或电视节目主持人和中学生等等。LESSON36笔头练习让学生写一篇关于自己生活中计算机的使用的文章，或对计算机在人们生活中应用的畅想。教材分析本单元的对话的特点是通过两个人对买何种计算机的讨论，从而掌握如何进行对一个物品进行评价、表达自己的观点，并提出建议。比如常见的口语用法INMYOPINION,WESHOULD/WHATSYOUROPINION/IDONTTHINKITSNECESSARYTO/IBELIEVE/ISTILLTHINK就在精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/17这个对话中经常出现。同时还有很多其它有用的口语，比如FIRSTOFALL/INAFEWYEARSTIME/AWASTEOF/MAKEADECISION/NOTANYMORE本单元的课文不仅讲述了计算机的应用对CAAC的帮助，而且中间穿插了很多现在完成进行时的被动语态的用法，使得学生能够正确地掌握这个语法的用法。同时对一些常见词和短语进行理解。比如JOIN,BEUSEDTODO,THANKSTO,ABROAD,SPENDONSTH,PREFERTODO,WELCOME重点知识讲解1TODAYTHEYARETALKINGABOUTBUYINGANEWCOMPUTER今天他们谈论买一个计算机。这里的TALKABOUT的意思是“谈论；谈及到；讨论”，后面通常加上名词或动名词。WETALKEDABOUTITYESTERDAYIWANTTOTALKABOUTTHEPRICEOFTHECARWITHYOU2DIDYOUFINDOUTTHEPRICEFORTHEIBMPC486你找出IBMPC486的价格了么这里的词组FINDOUT和FIND都是表示“找出”，都是一个结果。但是两种也有区别如果表示意外发现，通常用FIND。比如IFOUNDTHISWALLETOUTSIDETHECLASSROOM精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/17WHATDIDYOUFINDJUSTNOW如果要表示经过一番努力或研究得出的结果的时候，FIND和FINDOUT都可以，但通常用后者。比如IFINALLYFOUNDOUTTHESECRETOFHISDEATHSHEWANTEDTOFINDOUTTHEREALANSWERTOTHEQUESTION3IVEGOTTHEINFORMATIONFORALLTHECOMPUTERSNOW我已经得到了所有计算机的信息了。这里的INFORMATION同NEWS一样是一个不可数名词。后面通常加上FOR或ABOUT，前面通常加上一些修饰不可数名词的形容词。比如DOYOUHAVEANYINFORMATIONABOUTTHENEWMACHINE4INMYOPINION,WESHOULDBUYTHEIBMPC586依我看来，我们应该买IBMPC586。这里的INONESOPINION表示的意思是“依来看；的意见是”。需要注意两点1）后面不加I/HETHINKS。不像中文里可以说“依我看来，我觉得”。在英语中这两种用法不同时出现。比如INMYOPINION,YOUARETHEBESTSTUDENT不能说成INMYOPINION,ITHINKYOUARETHEBESTSTUDENT2后面不加客观事实。因为这里应是一个推断或主观的意见，比如INMYOPINION,THEEARTHISROUND错误句子。精品文档2016全新精品资料全新公文范文全程指导写作独家原创5/17INMYOPINION,YOUARERIGHT正确句子5IFWEBUYTHESMALLERONE,THEIBMPC486,WEMIGHTHAVETOCHANGEITINAFEWYEARSTIMEFORABIGGERONE如果我们现在要是买了THEIBMPC486，几年以后我们肯定要换一个更大的计算机。这里的词组CHANGEFOR表示的意思是“将换成”。比如IWANTTOCHANGETHISSMALLHATFORABIGGERONE6IHOPEWECANMAKEADECISIONTODAY我希望我们今天能做出决定。这里的词组是MAKEADECISION做出决定。等于DECIDETODO。比如DIDTHEYMAKEADECISIONYESTERDAY另外也可以用COMETOADECISION,ARRIVEATADECISION来表示同样的意思。比如THEYFINALLYCAMETOADECISIONATTHEMEETING7ITISUSEDTORECORDTHETICKETSWHICHPASSENGERSBUY它还记录下游客购票的情况。句子中的BEUSEDTO的意思是“被用来”，是一个被动语态，后面加上动词原型。THEWATERHERISUSEDTOMAKETHETREESALIVECOMPUTERSAREUSEDHERETOPLAYGAMESON精品文档2016全新精品资料全新公文范文全程指导写作独家原创6/178NOWITISPOSSIBLETOFINDOUTMUCHFASTERWHICHPLANESAREFULL现在要找到哪架飞机满了比以前要快多了。这里用了一个MUCH表示一个程度。通常在MUCH,EVEN和STILL后面加上一个形容词或副词的比较级形式。比如IAMMUCHHEAVIERTHANBEFORESHEISMUCHHAPPIERTHANSHEWASTWOYEARSAGO9THANKSTOTHENEWCOMPUTER,THEPASSENGERSATTHEOFFICESOFTHECAACCANNOWBUYTHEIRAEROPLANETICKETSMUCHFASTER由于使用了新的计算机，乘客在中国民航购票快多了。句子中的THANKSTO是一个常见的短语，表示“由于；幸亏”，相当于BECAUSEOF,或者ASARESULTOF表示原因。比如THANKSTOYOURHELP,IWASABLETOWINTHEGAMETHEYLOSTTHEGAMETHANKSTOTHEFOOLISHADVICEYOUGAVETHEM10ATONETIME,THEREWERELONGQUEUESOFPEOPLEWAITINGOUTSIDETHECAACOFFICES以前，中国民航办公室前等着购票的人们排成长长的队列。词组ATONETIME表示的意思是“以前；曾经”。比如ATONETIMEWEMETEACHOTHEREVERYDAYHEWENTTOTHATRESTAURANTTOHAVEDINNERATONETIME11THESEPEOPLEWILLBEWELCOMEONOURPLANES我们欢迎这些人来乘坐我们的飞机。这里的WELCOME在这句话中是一个形容词，表示的意思是精品文档2016全新精品资料全新公文范文全程指导写作独家原创7/17“受欢迎的”，后面常加的是不定式。比如YOUAREWELCOMETODOANYTHINGYOULIKEWELCOMETOBEIJINGWELCOME这个词也可以是名词。比如THEYRECEIVEDACOLDWELCOMEWHENTHEYARRIVED同样WELCOME也可以作为一个及物动词，但后面不加不定式，而且过去式和过去分词都是WELCOMED。比如ALLTHESTUDENTSWELCOMEDTHEVISITINGFRIENDSATTHESCHOOLGATE12INMYOPINION,WESHOULDBUYTHEIBMPC586依我看来，我们应该买IBMPC586。这里的情态动词SHOULD表示的意思是“应该”，通常用在表示建议的句子中。比如ISHOULDGOHOMEBEFORE6OCLOCKYOUSHOULDNOTASKOTHERSTODOYOURHOMEWORK13IFWEBUYTHESMALLERONE,THEIBMPC486,WEMIGHTHAVETOCHANGEITINAFEWYEARSTIMEFORABIGGERONE如果我们现在要是买了IBMPC486，几年以后我们肯定要换一个更大的计算机。这里的IF是一个条件句。后面出现的两个逗号之间的东西从位置上说是一个插入语，从成份上来说是一个同位语，是对前面的名词THESMALLERONE进行解释。我们通常用一精品文档2016全新精品资料全新公文范文全程指导写作独家原创8/17个名词性短语或从句来作为同位语14IDONTTHINKIITSNECESSARYTOBUYTHEBIGGERONE我想没必要买较大的那个。我们通常在THINK,SUPPOSE,EXPECT,IMAGINE等表示心理活动的动词后面不加否定含义的宾语从句。如果后面的从句使一个否定句，我们常常将从句谓语动词的否定是转移到主句的谓语动词之前。比如IDONTTHINKICANGETAWAYATTHEMOMENTIDONTSUPPOSEYOUNEEDTOWORRYIDONTTHINKIKNOWYOU15THEIBMPC486WILLBEBIGENOUGHFORUSIBMPC486对我们来说就够大的了。句子中的ENOUGH可以是形容词，也可以是副词。通常我们将ENOUGH放在名词前面或形容词或副词的后面。而且通常在后面再加上不定式。比如IDONTHAVEENOUGHMONEYTOBUYAHOUSEIAMNOTRICHENOUGHTOBUYAHOUSE16WEMUSTNTWASTEANYMORETIME我们不可以在浪费更多的时间了。这里的情态动词MUSTNT表示的不是“必须不”而是“不可以；不允许”。通常用在命令的句子中。比如YOUMUSTNTTALKINCLASSITISNOTAGOODHABIT精品文档2016全新精品资料全新公文范文全程指导写作独家原创9/17WEMUSTNTGOTHEREBECAUSEITISDANGEROUS17WEMUSTDECIDEWHICHONETOBUY我们必须决定买哪一个。这里的WHICHONETOBUY为特殊不定式短语，在句子中做DECIDE的宾语。特殊不定式的构成形式为“关系代词或关系副词动词不定式”。常用的关系代词有WHAT,WHICH,WHO,WHETHER等；常用的关系副词有HOW,WHEN,WHERE,WHY等。比如WEHAVENTDECIDEDWHATTODONEXTIDONTKNOWHOWTOWRITEINENGLISHIWILLASKWHENTOSTARTTOMORROWMORNINGSHEWILLASKWHERETOLIVE18ATONETIME,THEREWERELONGQUEUESOFPEOPLEWAITINGOUTSIDETHECAACOFFICES以前，中国民航办公室前等着购票的人们排成长长的队列。这里的WAITING是一个现在分词，在句子中做PEOPLE的定语，放在名词后，相当于一个定语从句。比如THEFOREIGNERTALKINGWITHOURTEACHERISHEADOFTHEVISITINGGROUPTHEMANRUNNINGAFTERTHEBUSISAFRIENDOFMINE19ASARESULT,THENUMBEROFPEOPLEWHOTRAVELBYPLANEINCHINAISLARGERTHANEVERBEFORE因此，在中国乘飞机旅行的人数比以往多了。精品文档2016全新精品资料全新公文范文全程指导写作独家原创10/17这句话中的ASARESULT的作用相当于一个副词，意思相当于SO。比如HEHURTHIMSELFASARESULT,HECOULDNTGOTOSCHOOL这句话中的THENUMBEROF的中心词是NUMBER，说明谓语动词肯定是单数的。比如THENUMBEROFTHEBOOKSINTHISBOOKSHOPISMORETHAN200,00020我们在很多句子中都用一个代词来代替前面提到的名词，常见的有ONE,IT和THAT。这三个词都是代词的时候的区别1,ONEA/ANNOUN所代表的是前面提到的同类中的任何一个HEHASNOBOOKANDNOMONEYTOBUYONETHEHATISTOOSMALLPLEASESHOWMEALARGERONE2,ITTHE/THIS/THAT/ADJNOUN指同一件事物HEHASABOOK,BUTHEWILLNOTLENDITTOMEIDRANKSOMEICEDWATER,BUTITMADEMEMORETHIRSTY3,THATTHENOUN指前面所提到的同一类中的另外制定的一个THEAIROFTHECOUNTRYISPURERTHANTHATOFTHECITY比较下面三句话ICANNOTFINDMYUMBRELLAITHINKIMUSTBUYONEICANNOTFINDUMBRELLAIDONTKNOWWHEREIPUTITTHEUMBRELLAYOUBOUGHTISCHEAPERTHANTHATIBOUGHT精品文档2016全新精品资料全新公文范文全程指导写作独家原创11/17教学设计方案LESSON33一、TEACHINGAIMS1HELPSSUNDERSTANDTHEGENERALIDEASANDSOMEDETAILSINTHEDIALOGUE2PRACTICEINPAIRSONMAKINGANEWDIALOGUEABOUTSOMETHINGTHEYAREABOUTTOBUY3TEACHTHEMHOWTOUSESOMEOFTHEWORDSANDEXPRESSIONSINTHEDIALOGUE二、TEACHINGPROCEDURESSTEPIWARMINGUP1GIVEASTUDENT5MINUTESTOHAVEHIS/HEROWNFREETALKABOUTANYTHINGHE/SHEENJOYS2ENCOURAGESSTOASKTHESTUDENTQUESTIONSABOUTHIS/HERFREETALK3ASKSSHOWMANYOFTHEMHAVEGOTACOMPUTERATHOME4ASKTHOSEWHOHAVECOMPUTERSWHATKINDOFCOMPUTERSTHEYAREUSING5WRITEDOWN“486,586,DESKTOP,LAPTOP,PC,MAC,GAMEBOY”ONTHEBLACKBOARDSTEPIILISTENING1PLAYTAPEOFLESSON33TWICEANDASKTHEMTOLISTENTOTHETAPEWITHOUTLOOKINGATTHEIRBOOKS精品文档2016全新精品资料全新公文范文全程指导写作独家原创12/172GIVESSQUESTIONBEFORETHEYLISTENANDASKTHEMTOTRYTOUNDERSTANDTHEDIALOGUEWITHTHOSEQUESTIONS1HOWMANYPEOPLEARETHEREINTHEDIALOGUE2WHATARETHEYTALKINGABOUT3DOTHEYFINALLYAGREEWITHEACHOTHER3ASKTHREESTUDENTSTOANSWERTHEQUESTIONSABOVESTEPIIIREADING1ASKSSONEBYONEQUESTIONSABOUTTHEDIALOGUE1WHATDIDJENNYPROBABLYASKMEIGETODOBEFORETHEYHAVETHEDIALOGUETOFINDOUTTHEPRICEFORTHEIBMPC4862WHATDOESJENNYPREFERTOBUY,PC486ORPC586WHYSEEBOOKFORTHEANSWER3WHYDOESMEIGEWANTTOBUYTHESMALLERONE4WHYCANTTHEYWASTEANYMORETIMEPRICEMAYGOUPANDTHEFACTORYNEEDSTHECOMPUTERSBADLY5WHATISTHEIRFINALDECISIONNOTMENTIONED2ASKTHENEXTSTUDENTTOCORRECTTHEMISTAKESIFANY3GIVESSONEMINUTEORTWOTOGOOVERTHEDIALOGUEAGAINANDTHENASKONEOFTHESTUDENTSTOBEJENNYANDTELLTHEOTHERSWHATHASHAPPENEDINTHEDIALOGUEONEPOSSIBLEANSWERIAMJENNYANDIAMWORKINGWITHMEIGEINAFACTORYOURFACTORY精品文档2016全新精品资料全新公文范文全程指导写作独家原创13/17PLANNEDTOBUYANEWCOMPUTERSOMEIGEANDITALKEDABOUTBUYINGANEWCOMPUTERIASKEDMEIGETOFINDOUTTHEPRICEOFTHEIBMPC486BUTIWANTTOBUYTHEIBMPC586BECAUSEITISBETTERANDBIGGERWHATSMORE,WEWILLCHANGETHE486FOR586INAFEWYEARSTIMEBUTMEIGESTILLPREFERSTHESMALLERONEBECAUSEHETHINKSITISAWASTEOFMONEYTOBUYAVERYGOODONEHEBELIEVESPC486ISGOODENOUGHWEWILLMEETAGAINTOMAKEADECISIONTHENEXTDAY4ASKANOTHERSTUDENTTOBEMEIGEANDTELLTHEOTHERSWHATHASHAPPENEDSTEPIVTEACHING1TEACHINGSSTHEUSEOFDIFFERENTWORDSANDEXPRESSIONS2ASKSSTOREPEATTHESENTENCESWHICHTHETEACHERGIVESANDAFTERTHATASKTHEMTOMAKESOMENEWSENTENCESWITHTHEWORDSANDEXPRESSIONSSTEPVPRACTICE1ASKSTUDENTSTOUSETHEWORDSANDEXPRESSIONSTOMAKEANEWDIALOGUE2ASKOTHERSTUDENTSTOFINDOUTTHEMISTAKESSTEPVISUMMARYASKONEOFTHESSTOTELLOTHERSSWHATTHEYHAVELEARNEDANDWRITETHEMDOWNONTHEBLACKBOARD精品文档2016全新精品资料全新公文范文全程指导写作独家原创14/17STEPVIIHOMEWORK1ASKSSTOBETHEMANAGEROFTHEFACTORYANDMAKEUPANEWDIALOGUEONEPOSSIBLEANSWERMMANAGERJENNY,WOULDYOUPLEASECOMETOMYOFFICEINEEDTOTALKTOYOUJJENNYOKWHATCANIDOFORYOUMOURFACTORYISBECOMINGBETTERANDBETTERANDNOWWENEEDANEWCOMPUTERBECAUSEOURCOMPUTERISTOOOLDIWANTYOUANDMEIGETOBUYANEWCOMPUTERFOROURFACTORYJYESWHATKINDOFCOMPUTERSYOUWANTUSTOBUYMIDONTKNOWMUCHABOUTITYOUANDMEIGECANASKFORTHEPRICEFIRSTJOKWEWILLCHECKTHEPRICEFIRSTBUTITHINKWESHOULDBUYAPC586,WHICHISVERYNEWNOWMASKMEIGETOCHECKTHEPRICEFIRSTTELLMETHEDECISIONNEXTWEEKJALLRIGHTWEWILLDOTHAT2MAKEGOODPREPARATIONFORTHENEXTLESSON教学设计方案LESSON34一、TEACHINGAIMS精品文档2016全新精品资料全新公文范文全程指导写作独家原创15/171GETSOMEGENERALIDEASONHOWCOMPUTERSHELPCAAC2LEARNSOMEUSEFULWORDSANDEXPRESSIONS3BEABLETOUSETHENEWWORDSANDEXPRESSIONSTOMAKENEWPASSAGE二、TEACHINGPROCEDURESTEPIWARMINGUP1ASKTHOSESSWHOHAVECOMPUTERSATHOMEWHATTHEYUSECOMPUTERSFOR2WRITETHOSEPURPOSESDOWNONTHEBLACKBOARD“GAMES,WORDPROCESSING,PROGRAMMING,INTERNET,CHAT,DRAWING,WATCHINGMOVIES,MAKINGFLASHMOVIES”3ASKSSQUESTIONSBEFORETHEYGETTOTHETEXT1WHATCANCOMPUTERSDOFORCAAC2HOWDOTHECOMPUTERSSELLTHETICKETSSTEPIILISTENINGLISTENTOTHETAPEFORLESSON34ONCESTEPIIIREADING1ASKSSTOREADTHETEXT2ANSWERTHEFOLLOWINGQUESTIONSWITHOUTLOOKINGATTHEBOOK1WHATISTHECOMPUTERUSEDFORINTHECAAC2WHATDIDPEOPLEUSUALLYDOWHENTHEYWANTEDTOBUYATICKETB精品文档2016全新精品资料全新公文范文全程指导写作独家原创16/17EFORETHEUSEOFCOMPUTERS3HOWMANYTHECAACOFFICESARETHEREINTHEWORLD4WHYDOMOREPEOPLEINCHINALIKETOTRAVELBYPLANE5WHYDOTHEPEOPLEINTHECAACWANTTOBUYMORECOMPUTERS3ASKTHENEXTSTUDENTTOCORRECTTHEMISTAKESIFANYSTEPIVDISCUSSION1ASKSSTOWORKINAGROUP