unit3 computers(续)知识精讲 人教实验版

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1、Unit3Computers(续)知识精讲一.本周教学内容：Unit3Computers（续）1.重点单词短语用法讲解2.课文难点句解析3.本单元语法讲解二.知识总结与归纳：单元内容简介：继续了解学习计算机和信息技术的优缺点，合理使用信息技术的产物。三.重点讲解与归纳：1.Whataretheadvantagesanddisadvantagesofeachone?advantage:反义词是disadvantage1）优点,优势It’sanadvantageifyouknowaforeignlanguage

2、.Hiskindnessgiveshimanadvantageoverotherpeople.2)利益，好处Therewillbenoadvantageinwaitinghere.3)havetheadvantageofsb.比某人强，占上风4)takeadvantageof…Trytotakefulladvantageofthisbook.5)beofadvantageto…对……有利advantageous:adj.有利的2.DecidewhichtypeofITisbestforyoutouserig

3、htnow.type:类型atypeof+单数名词（无限定次）atypeofcar一种汽车anewtypeofcar一种新型汽车typesof+单/复数名词+复数谓语动词Somenewtypesofcomputer(s)arebeingusednow.注：血型：bloodtypes3.Writeareportaboutyourchoice.choice:选择1）havenochoicebuttodo…别无选择只能做……Ihavenochoicebuttowaitforthebus.2)atone’sownc

4、hoice随意地，任意地Youcanbuyanythingatyourownchoice.3)ofone’sownchoice自选的，自挑的Theresultisnotsonice,butitisofmyownchoice.4.material:材料，原料[c,u]资料[u]5.Aboutonceayear,weareallowedtogettogethertoplayafootballgame.once:一次Oncemore再一次Onceinawhile偶尔，有时Onceandagain三番五次allow

5、:允许Allowsb.todosth.Allowdoingsth.Iwillneverallowthiskindofthingtohappenagain.Wedon’tallowsmokinghere.6.Onthefootballteam,I’mastriker.on:作为……的一员Iusedtobeonourschoolbasketballteam.On还可以表示为……工作，属于……Whichsideareyouoninthegame?7.Ineedtoshoutincomputerlanguageto

6、myteammatestogivemetheballwhenI’mopenandhaveagoodshotforagoal.need:半情态动词1）情态用法needdo----NeedIgothere?----No,youneedn’t.2)实义用法needtodo----Doyouneedtofinishthework?----Yes,Ido.3)needdoing=needtobedoneTheseflowersneedwatering.(=tobewatered.)incomputerlanguage

7、:in+语言，表示用某种语言CanyousayallthesewordsinEnglish?open:无人防守Haveagoodshot:有一个好机会；努力尝试8.Personally,Ithinktheteamwhowonthefirstplacecheated.Personally:就我个人而言（=personallyspeaking）Personally,Idon’tbelievewhathesaid.personn.-----personaladj.-----personallyadv.9.Ithi

8、nkwecanworktogethertocreateaevenbettersystem.create:创造Dickenscreatedmanyfamouscharactersinhisnovels.creation:n.even:用来修饰比较级可以用来修饰比较级的词还有far,much,many,still,alittle等等。10.Inaway,myprogrammerislikemycoach.Inaway