中考考点 :  1. 基数词的构成。  2. 序数词的构成。  3. 基数词和序数词的用法 : 用数词表示时 刻、年月日、编号、电话号码等。

 基数词 : 表示数量  数词  序数词 : 表示顺序

一、基数词 表示数量的多少的词是基数词，如： one, two, three 等。构成方法如下： 1 、 1-12 分别由从 one 到 twelve12 个各不相同的词表 示。 2 、 均以后缀 -teen 结尾。 3 、 整十词均以后缀 -ty 结尾。

a ， “ 几十 - 几 ” 39 thirty-nine 51 fifty-one b. 百位数 + 十位数 ( 或个位数 ) 中间用 and 连接 : 几百 and 几十 - 几 几百 and 几 375 three hundred and seventy-five 305 three hundred and five 5. 基数词读法

 C.1,000 以上的词：  从后向前数，每三位数加一个逗号，用这个方法 把数目分作若干段，再一段段地念；第一个逗号 前为 thousand( 千 ) ，第二个逗号前为 million( 百 万 ) ，第三个逗号前为 billion( 十亿 ) ， 12 ， 345 ， 678 ， 971 million 百万 billion 十亿 thousand 千 twelve billion,three hundred and forty- five million,six hundred and seventy- eight thousand,nine hundred and seventy-one

二、序数词的构成 1 、不规则变化 : first( 第一 ),second ( 第 二 ),third( 第三 ),eighth( 八去 t) ninth ( 九去 e),ve 用 f 替 (fifth,twelfth) 2.-ty 变 tieth, 如 thirty—thirtieth, ninety ninetieth 3. 表示 “ 第几十几 ” 时， “ 几十 ” ( 基数词 )+“ 个位 ” ( 序数词 ) 。 。

如： thirty-one thirty － first forty-two forty-second 4. 除上述情况外，均在词尾加 -th, 如： ten— tenth, one hundred—one hundredth 。

 数词的用法

1)hundred, thousand, million 的用法 hundred 1. 具体数字 + thousand million 如： ten thousand books 2. hundreds of 数百的, 成百上千的 thousands of 成千上万的 millions of 数百万的

2) 时刻表示法： 第一种表达 : 分钟 + to/past + 时钟 past: 几点过几分 ( 半小时之内 ) : 8:07 seven past eight to: 几点差几分 ( 半小时以上 ): 7: 点差 6 分 six to eight 第二种表达式 : 直接用基数词表达 6:45 six ( 时钟 ) forty-five( 分钟 )

特殊点钟表达 : 一刻钟 : a quarter 30 分钟 :half 如： 7:30 seven thirty 或 half past seven 8:15 eight fifteen 或 a quarter past eight 7:05 seven o five 或 five past seven 注意 : 表示 “ 整点 ” 时，在基数词后加 o’clock, 如： 9 点整 :9 o’clock.

3) 年、月、日表示法： 读的顺序是 : 月 the 日 ( 序数 ), 年 ( 基数词 ) 如： 1990 年 5 月 2 日读作： May the second, nineteen ninety 。 可写作 :May 2nd,1990

4) 编号： 基数词放在名词的后边，该名词一般 要大写；序数词放在名词的前面，加 定冠词 第一课： Lesson One; the first lesson 练习三： Exercise Three 三（ 7 ）班： Class Seven, Grade Three 第 206 房间： Room 206 第 7 页： Page Seven

 第三中学： No. 3 Middle School  第十三路公共汽车： No. 13 Bus

(5) 电话号码：基数词 如： : 读 eight seven six five three four six

(6) 分数的表达方法： 分子 ( 基数词 ) ______________ 分母 ( 序数词 ) 分子 大于 1 ，分母加 s 如 : 三分之一 :one third 五分之三 : three fifths ½ ¼ 分别用 a half 和 a quarter 表示。

7) 、 “ 基数词 - 名词单数 - 形容词 ” 只能用在名词前作定语 如： she is a 3-year-old girl. They live in a 7-storey-high building. 注：这种结构中名词不能用复数，同时只 能作定语，用作表语时，不用连字符， 名词用复数。如 Jim is 10 years old this year. Jim is a 10-year-old boy.

8)in one’s + 整十的基数词复数形式 表示 “ 在 … 几十岁 ” 时 在他五十岁时 : in his fifties

9) 序数词 a. 序数词前面加 the Our class is on the third floor. b.a/an + 序数词 表示 : 又一, 再一 I want to try it a second time

一. 写出下列基数词相应的序数词  1. one  2. two  3. three  4. five  5. eight  1.first  2.second  3.third  4.fifth  5.eighth

6. nine 7. twelve 8. twenty 9. thirty-one 10. forty-four 11. fifty-seven  6.ninth  7.twelfth  8.twentieth  9.thirty-first  10.forty-fourth  11.fifty- seventh

二、把下列短语译成英语 1. 第 12 课 号房 3. 每日三次 世纪 1.Lesson 12/the twelfth lesson 2.Room three times a day 4.the twenty-first centrury

5. 在他五十几岁时 6. 10: :10 8. 五分之三 9. 三分之一 10. 九年级 7 班 5. in his fifties 6.five to eleven 7.ten past three 8.three fifths 9.one third 10.Class Seven, Grade Nine

三. 根据首字母, 用适当的数词完成下 列句子： 1. One h________ years is a century. 2.Thursday is the f_______ day of the week. 3. Autumn is the t________ season of the year. 4. Christmas is on December the t__________ each year. 5. Letter H is the e______ letter in the alphabet( 字母表 ) undred ifth hird wenty-fifth ighth

1.This is a big class, and ______ of the students are girls. A. two third B. second three C. two thirds D. two three 2.The questions is very easy, even a _____ child can answer it. A. three-years old B. three years old C. three-year-old D. three year old 3. The _____ man on the left is Beckman, a famous football player. A. two B. second C. three 4. ——Which class won the match in the end? —— I’m not sure. Maybe _____ did. A. Class Third B. Class three C. third three D. Class Three C C B D 单项选择

5. Nine _____ pounds a week? That’s very good. A. hundred of B. hundreds of C. hundreds D. hundred. 6. ______ people come to Jilin to visit Mount Changbai every year. A. Thousands of B. Thousand of C. Thousands D. Thousand 7. The computer was cheap. I spent only two _____ yuan on it. A. thousands B. thousand C. thousands of D. thousand of D A B

8. The road is over ______ metres long. A. six hundreds and fifty-two B. six hundred and fifty-two C. six hundred, fifty-two D. six hundred, fifty and two 9. September is _____ month of the year. A. ninth B. eighth C. the eighth D. the ninth 10. It’s about ______ kilometres from Nanning to Beijing. A. two thousand five hundred and sixty B. two thousand five hundreds and sixty C. two thousands five hundred and sixty D. two thousands five hundreds and sixty 11.Every year____fishes are killed by the polluted water. A.million of B.millions of C.two millions of D.two millions B D A B

12. The boy told the old woman, “The train will arrive at two to two.” It means ______. A. 2:02 B. 2:20 C. 1:58 D. 1: Sara said we would meet at _____ in front of the museum. A. one thirty B. half an hour C. one and thirty D. one past thirty 14. We’ll have a _____ holiday after the exam. A. two month B. two-month C. two month’s D. two-months C A B

15. Today we are going to learn the ____ lesson. A. twenty B. twentith C. twentieth D. twentyth C

根据首字母填单词. Susan is my friend.She is from America.She is 14 y ____(1)old now.She isi________(2)in science and good at it. Every summer she travels with her parents. She t______ (3)that travelling is an important part in her life.Of all the places she has v_____(4),she likes London best b______(5)it ears nterested hinks isited ecause

is both morden and beautiful.She has learnt that China is a large c______(6)with lots of Intersting places.This July,her family are coming to China.I’m very h______(7) to know that they will first come to my city.They will s______(8)here for 3 days.I will show them a______(9)the city.Then they will fly to Beijing.I hope thatthey will have a n______(10) time in China. ountry appy tay round ice

六．完成句子。  1 ．你愿意参加学校毕业晚会吗？  ______________________________the school leavers’party.  2 ．中国已经为 2008 年作好了准备。  China____________________________the 2008 Olympic Games.  3. 我们学校每个月都有一次考试。  There is a test in our school_________________.  4.Marry 正期待着暑假到北京旅行。  Marry____________________________in Beijing.  5. 妈妈经常周末去购物。  My mum often___________________at the weekend. Would you like to take part in has got everything ready for once a month is looking forward to travelling goes shopping/does some shopping

summary 1. 基数词的构成 2. 序数词的构成 3. 数词的用法 : 1)hundred,thousan,million, 2) 时刻表达 3) 年月日表达 4) 编号 5) 电话 6) 分数 7) 做定语 8) 在某人几十岁时 9) 序数词使用

Homework  1. 默写初一下 M1-M6 的单词词组.  2. 完成周报 28 期