高三英语冠词 数词 介词外研社知识精讲.rar

用心爱心专心高三英语冠词数词介词外研社【本讲教育信息】一.教学内容：冠词数词介词二.基础知识冠词［具体过程］冠词一、概念冠词是一个虚词，它置于名词之前，限定名词的意义。冠词可分为定冠词，不定冠词和零冠词三类。二、相关知识点精讲1.a用于辅音发音开头的词前,如：abook;an用于元音发音开头的词前如：anapple,anhour.请区别：ausefulmachine,anumbrella,a“u”,an“h”。2.指上文提到过的人或物，用定冠词the。3.在世界上独一无二的事物前用定冠词the.如：thesun,themoon,theearth。4.the用于序数词，表方位的名词和形容词最高级前。thefirst,thebest,inthesouth。5.在复数姓氏前加the，表示××一家人，常看成复数。如：theBrowns。6.在介词短语中常用定冠词the，如：inthebox,behindthechair。7.不能用定冠词the的几个方面：(1)在节日、星期、月份、季节、年等词前不用冠词。如：insummer,inAugust请区别：inthespringof1945.(这里表示特指，故加the)(2)一日三餐和球类运动名词前不用冠词。如：havebreakfast,playfootball(3)一些固定词组中，如：gotobed,gotoschool,bybus,atnight.8.在有些词组中，有冠词和无冠词意思不同，请注意区别：infrontof在……前面,inthefrontof在……范围内的前部inhospital(生病)住院,inthehospital在医院里。三、巩固练习1.WhenLindawasachild,hermotheralwaysletherhave_____bed.AthebreakfastinB.thebreakfastintheCbreakfastinD.breakfastinthe2.Hehaspromisedtogiveup______hundredsoftimes.A.tobaccoesB.tobaccoC.thetobaccoD.tobaccos3.______usuallygotochurcheverySunday.A.TheBrownB.ABrownC.BrownsD.TheBrowns4.Thetrainisrunningfiftymiles______.A.anhourB.onehourC.thehourD.ahour5.Hecanplayalmosteverykindofmusicinstrumentbutheisgood____.A.atthefluteB.atfluteC.atafluteD.atthatflute6.Theinvestigatorsfoundthatmoreshouldbedonefor_____inIndia.A.thosepoorB.apoorC.poorD.thepoor7.Youlookinhighspirit.Youmusthave______duringyourholiday.A.wonderfultimeB.awonderfultimeC.thewonderfultimeD.somewonderfultime8.Thecityassignedapolicemantotheschoolcrossingbecause______traffictherewassoheavy.A.aB.anC.theD.one9.Anewteacherwassenttothevillageinplaceof______onewhohadretired.A.aB.theC.anD.its10.Virtueandvicearebeforeyou;______leadsyoutohappiness,______tomisery.A.theformer…latterB.aformer…alatterC.theformer…thelatterD.former…latter参考答案：CBDAADBCBC数词一、概念:数词分两类：基数词和序数词。表示数目的词叫基数词，表示顺序的词叫序数词.二、相关知识点精讲1.基数词1)基数词一般可写成如345或threehundredandforty-five.2)基数词一般是单数形式,但遇下列情况,常用复数:a.与of短语连用，表示概数，不能与具体数目连用,如scoresofpeople指许多人;b.在一些表示“一排”或“一组”的词组里.例如:Theyarrivedintwosandthrees.他们三三两两的到了.c.表示“几十岁”.d.表示“年代”,用in+the+数词复数.e.在乘法运算的一种表示法里,如Threefivesis(