2012中考 数词专项讲解与训练.doc

2012中考数词专项讲解与训练第一部分:知识点分析 一、基数词 1基数词读法:年,月,日,时刻的读法,如2007年六月十三日读作:June (the thirteenth, two thousand and seven (主要体现在口语考试和听力题目中 2表示一个具体数字时,hundred, thousand, million, billion一律不用复数;在表示一个不确定数字时则用复数。例如: There are three thousand students in our school. After the war, thousands of people became homeless. 3在一些表示"一排"或"一组"的词组里; 如:They arrived in twos and threes.他们三三两两的到达了。 4表示"几十岁",例如:He died still in his forties. 5表示"年代",用in +the +数词复数; 二、序数词 1序数词主要用作定语,前面要加定冠词,例如: The first truck is carrying a foot baskets. 2序数词有时前面可加不定冠词来表示“再一”,“又一”这样的意思, 例如: We'll have to do it a second time. 3 注意较为容易拼写错误的序数词及其缩写形式:one---first, two---second, three---third, five---fifth, eight---eighth, nine---ninth, twelve---twelfth。 缩写形式:first→1st second→2nd third→3rd fourth→4th twenty-second→22nd 4 表示分数时,分子用基数词表示,分母用序数词表示。分子大于1时,分母加-s。例如: three fourths, one second, two fifths 2、难点 倍数表示法 主语+谓语+倍数(或分数+ as + adj. + as I have three times as many as you.我有你三倍那么多。 3、易错点 1.We will have a _________ holiday after the exam. A. two month B. two-month C. two month’s D. two-months 答案: B (选择C的同学要注意应用two months’; 选择D的同学要注意名词之间有“—“ 后的组合词当作形容词来用, 因此就不用所有格形式了. 2.._______ trees are cut down in the forests every year. A. Thousand B. Thousands C. Thousand of D. Thousands of 答案: D. (选择C的同学注意词组记忆的准确性 3.Our sports meeting will be held ________. A. on 24, Tuesday, April B. in April 24, Tuesday C. on Tuesday, April 24 D. in April Tuesday 24 答案: C. (选B的同学是受到中文的影响,要特别注意中英文的差异 May 20th,2002,the twentieth of May,2002 注 4. I'm very hungry, I have eaten two cakes, would you please give me one? A. move B. three C. a third D. the third 答案: C. 序数词前加不定冠词,表示“又一,再一”,表示another。 5.of the land in the world is covered by water. A. Four three B. Three four C. Three fourth D. Three fourths 答案: D. 此题考查分数的写法,如果分子大于1,分母用复数。 例6We will have holiday in the winter. A. four weeks B. a four-week C. four week D. a four weeks 答案: B. 此题为一个四星期的假期,数词+名词用作定语。 第二部分:强化练习 一、单项选择 1、基础题 1.---How many workers are there in your factory? ---There are two __________.