九年级英语《数词》课件 人教新目标版1.ppt

1、数词,数词的考点,一.基数词、序数词,二.数词的表示法,一.基数词、序数词,first,second,third,fourth,fifth,sixth,eighth,ninth,twelfth,twentieth,twenty-first,fortieth,one hundredth,one hundred and fifth,one hundred and twenty-ninth,nineteenth,二.基数词的读法,1、百位和十位间用 and 连接, 十位和个位间用 - 连接,three hundred and twenty-one,321,2、右往左数,三位一组,逗号隔开.依次是 t

2、housand(千) million (百万) billion (十亿),four thousand three hundred and twenty-one,seven million,six hundred and fifty four thousand three hundred and twenty-one,7,654,321,1,987,654,321,4321,4,321,one billion nine hundred and eighty-seven million,six hundred and fifty-four thousand three hundred and tw

3、enty-one,1. hundred thousand (表示具体数字) million billion 2. hundreds thousands (表示概数) millions billions,三.基数词的用法,数词 (several)+,+ of,some / many hundreds of,1. If a = 3, b=4, whats the answer to the problem, a+2ab+1=? the answer is_. A. twenty eight B. twenty-eighth C. twenty-eight 2. In our school seve

4、ral _ students are able to search the Internet . A. hunderd of B. hunderds of C. hundred,3. Many _ sheep were killed in the accident. A. thousands of B. thousand C. thousands 4. There are over nine _ workers in the factory, but _ of young people hope to work in it. A. hundred; hundreds B. hundreds;

5、hundreds C. hundreds; hundred, 月日年 在2008年10月1日,四.数词的表示法 年月日,on Octorber the first, two thousand and eight,on August the ninth,in May, two thousand and ten,有日用 on 无日用in,on Oct. 1st , 2008, 月日 在8月9日 月年 在2010年5月,1. The accident happened on_. A. April 5, 2001 B. 2001, April 5 C. April 2001, 5 2. I was b

6、orn _. A. in March 8, 1993 B. on July 9, 1994 C. on May, 1995,20世纪90年代,in the 1990s,在他50多岁时,in his fifties,四.数词的表示法 年代世纪,in the,in ones + 整十基数词复数 在某人几十岁时,nineteen,nineties,1. There will be more chances in _ century than in _ century. A. twenty-one, twenty B. twenty-first, twentieth C. the twenty-fir

7、st, the twentieth 2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 1980,3. He graduated in _ of _ century. A. the sixtieth; twenty B. sixty; the twentieth C. the sixties; the twentieth 4. He got the prize _. A. in his fifties B. in fifties C. in his fifty,one oclock,ten past two,ha

8、lf past three,twenty to five,a quarter past five,a quarter to seven,seven fifty,表示在几点钟用介词 at,四.数词的表示法 时间,1. Its already 7:40 now. When will the film start? _. We still have five minutes. A. A quarter to seven B. Seven past forty-five C. A quarter to eight,1 5,分子 基数词 分母 序数词,one fifth,2 7,分子 1 分母 + s,

9、two sevenths,1 4,分子 a 分母 quarter,a quarter,3 4,three quarters,1 2,a half,1 3,three and one third,3,基数词 + and + 分数,四.数词的表示法 分数百分数,80 %,基数词 + percent,eighty percent,half / (百)分数 + of + 可数名词复数 谓语动词用复数 half / (百)分数 + of + 不可数名词 谓语动词用单数,3.78,three point seven eight,1. _ of the students _ boys in Class A.

10、 Two three; are B. Two thirds; are C. Two thirds; is 2. _ of her money _ spent on clothes. A. Two three; are B. Two thirds; is C. Two third; is 3. _ the teachers in our school is about one hundred, and _ of them are women teachers. A. The number of; two third B. The number of ; two thirds C. A numbe

11、r of; two thirds,一个半小时 两个半小时,two and a half hours = two hours and a half,one and a half hours = one hour and a half,四.数词的表示法 半的表示法,1. The boy always stays there for _. A. one and half hour B. one and a half hour C. one and a half hours 2. The old man drank_ beer. A. two bottles and a half B. two and

12、 a half bottle C. two bottle and a half,一倍 once，两倍 twice， 三倍 three times (三倍或以上 基数词times),四.数词的表示法 倍数,This box is five times as big as that one. =This box is four times bigger than that one., A + be + 倍数 + as +adj.原+ as +B. A是B的 倍 C + be + 倍数 + adj.比+ than +D. C比D 倍,1. This building is _ that buildi

13、ng. A. three time as tall as B. twice taller than C. three times as taller as 2. 我的箱子比你的重六倍! My box is _ yours.,six times heavier than,seven times as heavy as,一般编码用 名词 + 基数词 207房 三年级一班 第五部分 第一课 3 号汽车 第一中学,Room 207 Class one Grade three part five = the fifth part lesson one = the first lesson Bus No.3 = the No.3 bus No. 1 Middle School,四.数词的表示法 编号, The winner is _. He is an _ boy . A. eight-year-old; eight years old B. eight years old; eight-year-old C. eight-years old; ei