1、中考数词复习,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,基变序，有规律；词尾加上th；一二三，特殊记; first, second和third;八减t, 九去e；f要把ve替; ie要把y来替；若是遇到几十几；只变个位就可以。,(1)序数词作定语，前面要加the；
2、John lives on the fifteenth floor She is my first English teacher.(2)有时加a/an，“再一”，“又一” 的意思 Well have to do it a second time Shall I ask him a third time？,序数词的用法,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),29,431,50
3、0,7,6,thousand,hundred,million,billion,and,1. hundred thousand (表示具体数字) million billion2. hundreds thousands (表示概数) millions billions,三.基数词的用法,数词(several)+,+ of,some / many hundreds of,1. _ sheep were killed in the accident. A. Thousands of B. Thousand C. Thousands2. There are over nine _ workers in
4、 the factory, but _ of young people hope to work in it. A. hundred; hundreds B. hundreds; 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
5、. 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,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,表示“在世纪”, 用序数词。 在20世纪 ：in the twentieth c
6、entury,1. There will be more chances in _ century than in _ century. A. twenty-one, twenty B. twenty-first, twentieth C. the twenty-first, the twentieth2. The city changed a lot _. A. in 1980s B. in the 1980s C. in the 1980,one oclock,ten past two,half past three,twenty to five,a quarter past five,a
7、 quarter to seven,seven fifty,表示在几点钟用介词 at,四.数词的表示法 时间,15,分子 基数词分母 序数词,one fifth,27,分子 1分母 + s,two sevenths,14,分子 a分母 quarter,a quarter,34,three quarters,12,a half,四.数词的表示法 分数,百分数，小数,80 %,基数词 + percent,eighty percent,(百)分数 + of + 可数名词复数 谓语动词用复数(百)分数 + of + 可数名词单/数不可数名词谓语动词用单数,3.78,three point seven
8、eight,1. _ of the students _ boys in Class A. Two three; are B. Two thirds; are C. Two thirds; is2. _ of her money _ spent on clothes. A. Two three; are B. Two thirds; is C. Two third; is3. _ the teachers in our school is about one hundred, and _ of them are women teachers. A. The number of; two thi
9、rd B. The number of ; two thirds C. A number 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 hours2. The old man drank_ bee
10、r. A. two bottles and a half B. two and a half bottle C. two bottle and a half,一般编码用 名词 + 基数词207房 三年级一班第一课第一中学,Room 207 Class one Grade threeLesson One = the first lesson 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-y
11、ear-old C. eight-years old; eight-year-old He came to China _. A. at the age of 20 B. when he is 20 C. at age of 20,四.数词的表示法 年龄,一倍 once，两倍 twice，三倍 three times (三倍或以上 基数词times),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+
12、 as +B. A是B的 倍 C + be + 倍数 + adj.比+ than +D. C比D 倍, The river is about _. A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long,四.数词的表示法 计量,be + 数词 + 量词 + 形容词,表示“大约、接近”，常用nearly, about, some, almost, around 等。 about 700 people 表示“左右”用or so In the past five years or so “少于”用less than Less tha
13、n 30 years old 不到30岁“多于”用 more than , over More than a year ago over 70 years ago,约数表示法,Summary(小结),1.基数词的构成2.序数词的构成（记歌谣）3.基数词的用法(hundred, thousand,million、岁数与 年代、计量、时刻）4.序数词的用法(加the, a/an)5.编号表示法(可用序数词/基数词,注意加the或大写)6.分数，百分数，小数表示法7.年份、日期、的表达法(年:基数 日、世纪:序数),Thank you !,U盘、电脑坏了？教学资料不见了？以前的资料没保存？每一届重复劳动？找不到精品课件、试题、教案反思？各大文库价格昂贵？来【163文库】吧，你可以：上传分享资料赚取零用钱；创建教学空间，分类收藏存储资料；方便下届使用；百万教学资源供你下载；【平台地址：】,
