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,基数词变序数词的口诀,一二三，要死记；四后都加th； 五用f换ve，其后都加th; 六七同四首规律； 八少t,九去e, 然后再加th; 十和十一首规律;十二f换ve,然后再加th; 十三起，
2、十九止，其后都加 th;整十数有规律，先将y变为ie，然后再加th； 几十几，有规律，前半基数后半序，在用短横线连起；,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 thousand(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
3、 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 twenty-one,1. hundredthousand (表示具体数字)millionbillion2. hundredsthousands (表示概数) millionsbillions,三.基数词的用法,数词 (several)+,+ of,some / many hundreds of,
4、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 several _ 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. tho
5、usand 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; hundredsC. 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
6、 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, 52. I was born _.A. in March 8, 1993 B. on July 9, 1994 C. on May, 1995,20世纪90年代,in the 1990s/ 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
7、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-first, 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
8、. sixty; the twentiethC. 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,half 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 sta
9、rt?_. 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,two sevenths,1 4,分子 a 分母 quarter,a quarter,3 4,three quarters,1 2,a half,四.数词的表示法 分数,1. _ of the students _ boys in Class A. Two three; are B. Two thirds;
10、 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 number of; two thirds,一个半小时两个半小时,two
11、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 a half bottleC. two bottle and a
12、half,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 oldB. eight years old; eight-year-oldC. eight-years old; eight-year-old He came to China _.A. at the age of 20B. when he is 20C. at age of 20,四.数词的表示法 年龄, The river is about _.A. 6,000 meters longB. 6,000-meters-longC. 6,000-meter-long,四.数词的表示法 计量,be + 数词 + 量词 + 形容词,THE END,
