水平测试专题复习之数词的用法精简版.ppt

1、水平测试专题复习 数词及其用法,经典题,1. More than_ of the students in their class are girls. A. two third B. two three C. second three D. two thirds 2. The population of china is _that of the USA. A. five times larger than B. larger five times than C. five times large as D. as large five times as 3. In the past two

2、years, at least_trees have been planted along the road. A. two thousand B. two thousands of C. two thousands D. thousand of,经典题的解答,More than_ of the students in their class are girls. A. two third B. two three C. second three D. two thirds 解析：考点：分数的构成。 记忆口诀：分子基，分母序，分子大 于1，分母要加S,经典题的解答,2. The populat

3、ion of china is _that of the USA. A. five times larger than B. larger five times than C. five times large as D. as large five times as 解析：考点：倍数的表达。 倍数+形容词的比较级+than,经典题的解答,3. In the past two years, at least_trees have been planted along the road. A. two thousand B. two thousands of C. two thousands D

4、. thousand of 解析：考点：确数和概数的表达。 确数：数词+计量名词(不能加S） 概数：计量名词+S + of,水平测试专题复习 数词及其用法,Studying Aims(学习目标）,Learn and master the usage of numbers. Do some exercised to consolidate the usage of numbers.,Teaching important points: 概数，确数，时间，年龄的表达方法 倍数的表达法 Teaching difficult point: 倍数的表达法,考标要求,学业水平标准语考试说明 要求：掌握基数

5、词和序数词的用法,数词的分类及构成,主要分为基数词和序数词 表示数目多少的数词叫基数词 110： one，two，three，four，five，six，seven，eight，nine，ten 表示顺序的数词叫序数词 110 first， second，third，fourth ，fifth， sixth，seventh，seventh，eighth，ninth，tenth 小结： first， second，third， fifth， eighth，ninth为特殊，其余在对应的 基数词尾+th.,数词的构成,基数词：11-19 ：eleven，twelve， thirteen， four

6、teen， fifteen， sixteen， seventeen，eighteen， nineteen 小结：除 eleven， twelve， thirteen， fifteen， eighteen为特殊形式外 ,其余加后缀-teen . 序数词：eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth, 小结：twelve- twelfth为特殊形式，其它的序数词都是由其相对应的基数词后面添加“th”构成。,数词的构成,2199 整数几十 基数词

7、 ：twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety, 小结：除twenty，thirty, forty，fifty，eighty为特殊形式外，sixty，seventy，ninety都是其个位数形式后添加后缀-ty构成。 序数词：twentieth，thirtieth, fortieth, fiftieth, sixtieth, seventieth, eightieth, ninetieth 小结：整数第几十的形式由其对应的基数词改变结尾字母y为i，再加“eth”构成。 几十几 基数词 ：在几十和个位基数词形式之间添加

8、连字符- 21 twenty-one 76 seventy-six 序数词：表示第几十几时，用几十的基数词形式加上连字符“”和个位序数词形式一起表示 thirty-first 第三十一 fifty-sixth 第五十六,要点1,特殊数词的用法： dozen(12)、score(20)、hundred、thousand、million 、billion，quarter (四分之一、15分钟）、century(一世纪、100年） 确数：数词+单数 two dozen eggs, three score days, six thousand people 概数：复数+of scores of, do

9、zens of , hundreds of, thousands of, millions of,类比练习,1. Shortly after the accident, two _ police were sent to the sport to keep order. A. dozens of B. dozens C. dozen D. dozen of 2. They received _ of letters about their TV programs. A. dozen B dozen and dozen C. scores D. dozen,要点2,序数词在使用时，通常前面要加定

10、冠词 the；但是如果序数词前出现不定冠词a或an时，则表示“再-”，“又-”。 the +序数词：表顺序（译为：第几） the first lesson, the second day a/ an +序数词：表“又一-、再一-” Though we have failed three times, we will have a second try tomorrow.,类比练习,10. As he failed 10 times on the experiment, the teacher told him to try it _ time. A. two B. a two C. secon

11、d D. a second a/ an +序数词：表“又一-、再一-”,数词的用法,1.表示编号 lesson 11 (the eleventh lesson) page 5 (the fifth page) room 302 2. 表示时间： 年代： in 2008 世纪： in +the +数词复数 in the 1980s= in 1980s 日期：April 10th, 2008 时刻：at 4:30 (差to过用past） 年月前用介词in，日期前用on，时刻前用at,类比练习,1. We are going to have a basketball match with _. A.

12、 Class First B. Class One C. First Class D. Class the First 2. He went to live in the countryside in _ and learned a lot from the peasants. A. the 1780s B. the 1780 C. 1780s D. 1780s,数词的用法,3. 表示岁数 He is a twenty-year-old boy. At the age of six, he went to school. 在某人的几十岁时： in + ones + 整十位数的复数形式 in m

13、y thirties 在某人十几岁时：in ones teens in his teens,类比练习,1. I have to write a _ composition every other week. A. two - thousand - word B. two - thousands - word C. two - thousand - words D. two - thousands words 2. My uncle began to teach himself German when he was already in his _. A. forties B. forty C.

14、 fortieth D. fortys,数词的用法,4. 表次数用times once(一次）, twice（2次）, three times, four times the third time: 第三次 5. 分数：分子基，分母序，分子大 于1，分母要 加S 3/4 three fourths 1/3 one third或a third 百分数：用基数词percent表示 50 fifty percent3 three percent 分数和百分数后面不能直接接名词或代词，要加of One third of the students are from the town.,数词的用法,6.

15、倍数表达法（重点）： once(一倍), twice/double(两倍），其余为基数词+times 译：A是B的几倍 A + be+倍数+形容词的比较级+ than +B My room is three times larger than yours. A + be+倍数+as + 形容词 / 副词（原级）+ as+ B My room is three times as large as yours. A + be+倍数 + the +计量名词（size / length / weight/width)+ of B My room is three times the size of y

16、ours.,类比训练,Strings of the same thickness made of nylon are_. A. five times stronger than those B. five time stronger than those C. five times strong than those D. five times stronger as those 2. the wheels of the old wagon are nearly _ those of a modern car. A. twice the size of B. twice size of C.

17、twice sizes of D. twice the size of,数词的用法,10. every+数词：每- every+基数词+名词复数 every two days every+序数词+单数名词 every second day,类比练习,15.The Olympic Games are held _. A. every four years B. every four year C. every fourth years D. every four-years,巩固练习,1. The teacher asked each student to write an _ composit

18、ion in Chinese. A. eight-hundred-words B. eight-hundreds-word C. eight-hundreds-words D. eight-hundred-word 2. More than _ people watched the comedians wonderful performance. A. two thousands B. two thousands of C. two thousand D. two thousand of,巩固练习,3. Every day _ come to visit this beautiful vill

19、age. A. hundred of people B. hundreds people C. two hundred of people D. hundreds of people 4. The woman went to the supermarket nearby to buy _ eggs. A. two dozens B. two dozen C. two dozen of D. two dozens of,巩固练习,5. _ of the land in that district_ covered with trees and grass. A. Two fifth; is B.

20、 Two fifth; are C. Two fifths; is D. Two fifths; are 6. It is reported that _ of the population in these areas are farmers. A. two three B. two third C. two thirds D. second third,巩固练习,7. The hero of the story is an artist in his _. A. thirtieth B. thirty C. thirtys D. thirties 8. He always wanted t

21、o have_of books and he has recently bought four_. A. hundreds.hundreds B. hundred.hundred C. hundreds.hundred D. hundred.hundreds,巩固练习,9. “How many presidents are there before Abraham Lincoln?” “Fifteen, so he was_” A. the sixteenth president B. the sixteen president C. president sixteen D. presiden

22、t the sixteen 10. Jane Eyre is a good book. I have read it and I decide to read it_. A. the second time B. a second time C. two time D. two times,巩固练习,11. I bought a big fridge, which occupied about_of the space in my kitchen. A. two five B. two fifth C. second fifth D. two fifths 12. My new bicycle

23、 cost me about_my old one. A) three times than B) three times as much as C) three times much than D) three times as many,提高练习,1. Paper produced every year is _ the worlds production of vehicles. A. the three times weight of B. three times the weight of C. as three times heavy as D. three times as heavier as 2. The moon is about _ in diameter as diameter as the earth. A. one-three as large B. one three as large C. one-third as large D. one third as