初中英语数词用法及重点学习的练习.doc

初中英语数词用法及重点学习的练习.doc
初中英语数词用法及重点学习的练习.doc

初中英语数次归纳及练习

数词主要分为基数词和序数词两类。

一、数词的分类

1.基数词

表示数目的词称为基数词。其形式如下:

A.从 1——10

one, two ,three,four , five,six, seven,eight ,nine,ten.

B.从 11——19

eleven,twelve, thirteen , fourteen , fifteen , sixteen, seventeen,eighteen,nineteen.

这里除 eleven, twelve , thirteen , fifteen , eighteen 为特殊形式外, fourteen ,sixteen,seventeen,nineteen 都是由其个位数形式后添加后缀 -teen 构成。

C.从 21——99

整数几十中除 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。表示几十几时,在几十和个位基数词形式之间添加连字符“-”

21 twenty-one76 seventy-six

D.百位数

个数基数词形式加“hundred,”表示几百,在几十几与百位间加上and.

101 a hundred and one

320 three hundred and twenty

648 six hundred and forty-eight

E.千位数以上

从数字的右端向左端数起,每三位数加一个逗号“,”。从右开始,第一个

“,”前的数字后添加 thousand,第二个“,”前面的数字后添加 million ,第三个“,”前的数字后添加 billion 。然后一节一节分别表示,两个逗号之间最大的

数为百位数形式。

2,648 two thousand six hundred and forty-eight

16,250,064 sixteen million two hundred and fifty thousand sixty-four

5,237,166,234 five billion,two hundred and thirty-seven million ,one hundred and sixty-six thousand,two hundred and thirty-four

F.基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但

是,当基数词表示不确切数字,如成百、成千上万,三三两两时,基数词则以复

数形式出现。

There are hundreds of people in the hall.

大厅里有数以百计的人。

Thousands and thousands of people come to visit the Museum of Qin Terra-Cotta Warriors and Horses every day.

每天有成千上万的人来参观秦兵马涌博物馆。

They went to the theatre in twos and threes.

他们三三两两地来到了剧院。

G.表示人的不确切岁数或年代,用几十的复数形式表示。

He became a professor in his thirties.

他三十多岁时成为了教授。

She died of lung cancer in her forties.

她四十来岁时死于肺癌。

It was in the 1960s.

那是在二十世纪六十年代。

H.基数词的句法功能

基数词在句中可作主语、宾语、定语、表语、同位语。

The two happily opened the box.

两个人高兴地打开了盒子。(作主语)

I need three altogether.

我总共需要三个。(作宾语)

Four students are playing volleyball outside.

四个学生在外面打排球。(作定语)

We are sixteen.

我们是 16 个人。(作表语)

They three tried to finish the task before sunset.

他们三个人尽力想在日落前完成任务。(作同位语)

2.序数词

表示顺序的词称为序数词。序数词的主要形式:

A.从第一至第十九

其中, one— first , two — second, three — third , five— fifth ,eight—eighth,nine—ninth ,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。例如: six— sixth、nineteen— nineteenth .B.从第二十至第九十九

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。twenty ——twentieth thirty ——thirtieth

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

seventy-third 第七十三

ninety-ninth第九十九

C.第一百以上的多位序数词

由基数词的形式变结尾部分为序数词形式来表示。

one hundred and twenty-first 第一百二十一

one thousand,three hundred and twentieth 第一千三百二十

D.序数词的缩写形式

有时,序数词可以用缩写形式来表示。主要缩写形式有。

first——lst second——2nd third ——3rd

fourth ——4th sixth——6th twentieth ——20th

twenty-third ——23rd

其中 lst, 2nd,3rd 为特殊形式,其它的都是阿拉伯数字后加上th 。

E.序数词的句法功能

序数词在句中可作主语、宾语、定语和表语。

The second is what I really need.

第二个是我真正需要的。(作主语)

He choose the second.

他挑选了第二个。(作宾语)

We are to carry out the first plan.

我们将执行第一个计划。(作定语)

She is the second in our class.在我们班她是第二名。(作表语)

注:序数词在使用时,通常前面要加定冠词 the;但是如果序数词前出现不定冠词

a 或 an 时,则表示“再——”,“又——”。

We’ llgo over it a second time.

我们得再念第二遍。

We’ vetried it three times .Must we try it a fourth

time 我们已经试过三遍了,还必须试一次(第四次)吗

另外,基数词也可以表示顺序。只需将基数词放在它所修饰的名词之后即可,不需要添加定冠词。

the first lesson——Lesson One

the fifth page——Page 5( five)

the twenty-first room ——Room 21(twenty-one )

二、时刻表示法

1.表示几点钟用基数词加可以省略的 o`clock

5:00 读作 five o`clock 或 five

2.表示几点过几分,在分钟后加 past,再加小时

five past seven 七点过五分

half past six 六点半

a quarter past eight 八点过一刻

seven past eight 八点过七分

3.表示几点差几分,在分钟后面加 to ,再加小时

ten to eight 差十分八点(七点五十分)

a quarter to twelve 差一刻十二点(十一点四十五分)

twenty to six 差二十分六点(五点四十分)

在日常生活中,常用下列简单方法表示时间。

以小时、分种为单位分别读出数字。

6:31读作six thirty-one

10:26 读作 ten twenty-six

14:03 读作 fourteen o three

16:15 读作 sixteen fifteen

18:30 读作 eighteen thirty

23:55 读作 twenty-three fifty-five

注:时刻表上的时间大多采用 24 小时表示法,这样就不需要用 .表示上午, .表示下午了。

三、年月表示法

1.世纪可以用定冠词加序数词加世纪 century 表示,也可以用定冠词加百位进数

加 `s 表示

the sixth(6th)century 公元六世纪

the eighteenth ( 18th)century 公元十八世纪

the 1900`s 二十世纪

the 1600`s 十七世纪

这里,用百位数整数表示的世纪比这一百位阿拉伯数字本身多一个世纪。

2.年代用定冠词及基数词表示的世纪加十位整数的复数形式构成

in the 1930`s( in the thirties of the twentieth century 或 in the nineteen thirties )

在二十世纪三十年代

in the 1860`s( in the sixties of the 19th century 或 in the eighteen sixties)

在十九世纪六十年代

In the 1870`s when Marx was already in his fifties,he found it important to study the situation in Russia,so he began to learn Russian.

在十九世纪七十年代当马克思已经五十多岁时,他发现研究俄国的形势很重要,

便开始学习俄语。

3.表示某年代的早期、中期和晚期,可以在定冠词后,年代前添加 early,mid-,late

in the early 1920`s 在二十世纪二十年代早期

in the mid-1950`s 在二十世纪五十年代中期

4.年月日表示法

A.年份用基数词表示,一般写为阿拉伯数字,读时可以以 hundred 为单位,也可

以以世纪、年代为单位分别来读。

1949 读作 nineteen hundred and forty-nine 或 nineteen forty-nine

1800 读作 eighteen hundred

253 读作 two hundred and fifty-three 或 two fifty-three

1902 读作 nineteen hundred and two 或 nineteen o two

表示在哪一年,一般在年数前加介词in,使用 year 时, year 放在数词之前。

in the year two fifty-three .在公元前253年

但是,通常采用in 加表示年份的阿拉伯数字。

B. 月份,在哪个月用介词 in 加第一个字母大写的月份词表示。例如: in May 在五月; in July 在七月。为了简便起见,月份与日期连用时,月份常用缩写形式

表示。缩写形式除 May, June,July 外,其它的月份都由其前三个字母表示,但September 除外。

January——Jan.一月 February——Feb.二月

March——Mar. 三月 April ——Apr.四月

August——Aug.八月

September——Sept.九月

October——Oct.十月

November——Nov.十一月

December——Dec.十二月

注:这里缩写形式后面加点不能省略,因为它是表示缩写形式的符号。

四、分数表示法

1.分数是由基数词和序数词一起来表示的。基数词作分子,序数词作分母,除

了分子是“1以”外,其它情况下序数词都要用复数形式。

3/4 three fourths 或 three quarters

1/3 one third 或 a third

1/2 a half

1 1/

2 one and a half

2.当分数后面接名词时,如果分数表示的值大于 1,名词用复数;小于 1,名词用单数。

1 1/

2 hours 一个半小时(读作 one and a half hours)

2 3/4 meters 二又四分之三米(读作 two and three-fourths meters )

4/5 meter 五分之四米

五、小数表示法

1.小数用基数词来表示,以小数点为界,小数点左首的数字为一个单位,表示

整数,数字合起来读;小数点右首的数字为一个单位,表示小数,数字分开来读;小数点读作 point, o 读作 zero 或 o[ou],整数部分为零时,可以省略不读。zero point four 或 point four零点四

ten point two three十点二三

twenty-five point six seven 二十五点六七

one point o three 一点零三

2. 当数字值大于 1 时,小数后面的名词用复数,数字值小于 1 时,小数后面的名词用单数。

meters 一点零三米ton 零点四九吨

tons 一点五吨

六、百分数表示法

百分数用基数+ percent 表示

50% fifty percent百分之五十

3% three percent百分之三

%zero point one two percent 百分之零点一二

这里的 percent 前半部 per 表示“每一”,cent 这一后半部分表示“百”,所以百分之几中 percent 不用复数形式。

七、数量表示法

1.表示长、宽、高、面积等,用基数词+单位词(meter ,foot ,inch,kilogram 等)+ 形容词(long,wide ,high 等)表示,或者用基数词+单位词+ in + 名词( length, width , height, weight 等)表示。

two meters long 或 two meters in length 2 米长

three feet high 或 three feet in height 3 英尺高

four inches wide 或 four inches in width 4 英寸宽

This box is 2 kilograms in weight.

这个盒子有两千克重。

The city wall of Xi`an is 12 meters wide and 12 meters high.

西安城墙是 12 米宽, 12 米高。

2.表示时间、距离时,使用含数词的名词所有格形式作定语。

five minutes` walk

步行五分钟(的距离)

It ’s anhour ’s ride from my hometown to our university .

从我的家乡到我们大学是乘车一小时的路程。

或:从我的家乡到我们大学需要乘车一小时。

It ’s three kilometers` distance from our campus to the Bell Tower.

从我们校园到钟楼有三公里远。

3.表示温度时,用 below zero 表示零下温度,温度用基数词 +degree( s)+单位词( centigrade 摄氏或 Fahrenheit 华氏)表示。

thirty-six degrees centigrade 或 36℃摄氏 36 度

four degrees below zero centigrade或 -4℃摄氏零下 4 度

Water freezes at thirty-two degrees Fahrenheit.水在华氏

三十二度时结冰。

Water boils at one hundred degrees centigrade.

水在摄氏一百度时沸腾。

这里的单位词在人们都很清楚是什么度量制度时,可以省略。

You are 37℃.(读作 thirty-seven degrees)

你是三十七度。(摄氏)

It ’s seven degrees below zero.

今天是零下七度。(摄氏)

4.由数词和其他名词构成的名词性短语作定语时,其中的名词用单数形式,名

词性短语中各部分间要用连字符“-”来连接。

It ’s afive-minute walk from the library to the playground .

从图书馆到操场需要走五分钟。

She’s asixteen-year-old girl.

她是个十六岁的女孩。

5.表示“比·大(或)几倍”的说法。

This room is two times bigger than that one.

这个房间比那个(房间)大两倍。

The dictionary is four times thicker than that book.

这本词典比那本书厚四倍。

My age is two times older than his.

我的年龄比他大两倍。

是骡子是马 , 拉出来溜溜 :

八、特殊用法

1.数词作主语,谓语动词用单数。如: Two months is quite a long time.Four and two is six.What ’stwo and three

2.一个半小时(一年半,一个半月可类推) one/ an hour and a half =one and a half hours

巩固练习:

I.把下列短语译成英语:

1.第 12 课 __________________

2. 304号房间 ______________________

3.半小时 _________________

4. 每日三次 _______________________

5.第 25 页 _________________

6. 20世纪 90 年代 ___________________

7. 4 路公共汽车____________

8. 第 15 中学 ___________________

9.21 世纪 ________________ 10. 八米长 ______________________

11.差一刻三点 ____________ 12. 第二册 ________________________

13.在他五十几岁时 _____________14. 二年级八班 ____________________ 15. 10:45 ____________________ 16.第十五单元____________________ 17. 第三册第十三课 ______________ 18. 三分之一 __________________ 19. 三百英镑 ________________ 20. 1994年 3 月 22 日 __________________ II.选择填空:

1. 333 reads ___________.

A. three hundred and thirty three

B. three hundreds and thirty-three

C. three hundred and thirty-three

D. three hundred thirty-three

2.The _______ month of the year is February.

A. one

B. first

C. two

D. second

3.The beautiful skirts are on show in the shop, Jane likes _______.

A. the ninth

B. the nineth

C. nine

D. ninth

4.It took me _______ to finish my homework.

A. a half and two hour

B. two hour and a half

C. two and a half hour

D. two and a half hours

5.December is the _______ month of the year.

A. twelve

B. twelveth

C. twelvieth

D. twelfth

6.Tom bought ______ for himself yesterday.

A. two pairs of shoes

B. two pair of shoe

C. two pair of shoes

D. two pairs shoes

7.There are _______ seconds in a minute.

A. fourty

B. forty

C. sixteen

D. sixty

8.Lin Tao gets up at ______ in the morning.

A. half past six

B. six past half

C. past half six

D. half six past

9. December ______ is Christmas.

A. twenty-five

B. the twenty-fifth

C. the twentieth-five

D. twentieth-fifth

10. There are _____ stars in the universe.

11.Monday is the _______ day of the week.

A. two

B. second

C. three

D. third

12.Mr. Black left here _____ ago.

A. half a hour

B. half an hour

C. an half hour

D. a half

hours 13. There are _____ students in their school.

A. nine hundred

B. nine hundreds

C. nine hundred of

D. nine hundreds of

14. There are _____ words in the text of the _____ Lesson.

A. hundred of, Fifth

B. a hundred of, Fiveth

C. hundreds of, Fifth

D. hundreds of, Fiveth

15.We had learned about _____ English words by the end of last term.

A. nine hundreds and forty-five

B. nine hundreds of and forty-five

C. nine hundred and forty-five

D. nine hundred and fourty-five

of the two rulers are broken. I want to buy a _______one. A.

three B. third C. forth D. /

17.A _______ boy can sing the English song very well.

A.ten-year-old

B. ten years old

C. ten-year-old

D. fifth years

old old professor still works hard though he is _________.

A.in his sixty

B. in his sixties

C. in sixties

D. in the sixty

19.This classroom is ________ ours.

A.three times big as

B. as three times big as

C. three times as big as

D. as big three times as 18.

20.________, Coca-Cola began to enter China's market.

A.In 1970's

B. In 1970s

C. In the 1970s'

D. In the 1970s

21.There was no bus in that small town. We had a ________.

22.About____ of the books in our school library are written in Chinese.

A. four-fifth

B. four-fifths

C. fourth-fifths

D. fourths-fifth

23.___ of the students are girls in our class.

24.___ of the world's books and newspapers are written in English.

A. Three quarters

B. Three quarter

C. Thirds four

D. Threes fourth

25.The road is over ____ meters long.

A. six hundred and fifty-two

B. six hundreds and fifty-two

C. six hundred, fifty-two

D. six hundred, fifty and two

26.The tallest building is an____that stands in the center.

building building

buildings building

27.___of the money ____been spent recycling the rubbish.

A. Three fourths; has

B. Three fourths; have

C. Three fourth; has

D. Three fourth; have

28. Dick, it is the ____time in____ days that you have made the same mistake.

A. two; three

B. second; three

C. two; third

D. second; third

Teachers ’ Day.

A. the ten

B. the tenth

C. the ten’ s

D. ten

is ____in our class.

A. the fourth tallest

B. fourth tallest

C. four tallest

D. the four tallest

中考题集:

1. About ______ people are in the People’ s Park at weekends.

2.The water behind the Three Gorges Dam (三峡大坝 ) should be _____higher

than downstream (下游 ).

A. sixty-five meter

B. sixty-fifth meter

C.

sixty-five meters D. sixty-fifth meters

our school several ____ students are able to search the Internet for useful

information now.

A. hundred of

B. hundreds for

C. hundred

D. hundreds

4. I was 8 years old when my father was 31. this year my father is twice my age. How

old am I A. 21 B. 22 C. 23 D. 24

5. When was the PRC founded It was founded on _______.

6.Look at the menu:

SNACKS

Hamburger $Orange juice $ Hot dog $ Coffee $

Ice cream $ Coke regular $ Popcorn $ large $

Jeff wants to buy a hamburger, a large coke and ice cream.

How much will he pay

A. Five dollars and sixty cents.

B. Five dollars and thirty-five cents.

C. Three dollars and sixty cents.

D. Two dollars.

7. --- How many teachers are there in your school ---________, but I’ m not sure.

A. Hundreds

B. Hundred

C. Hundreds of

D. One hundred

8.About ______ films were shown during the 5th Shanghai International Film

Festival.

A. two hundred of

B. two hundreds of

C. two hundred

D. two hundreds

9.--- Do you have enough men to carry these chairs --- No. I think we need ______

men.

A. another

B. two others

C. more two

D. two more

10--- Can you write the number eight five thousand, six hundred and twenty-six

--- Yes, it is _____________.

A. 85662

B. 85626

C. 58662

D. 58626

11.There ’ re ______ students in our grade.

A. hundreds of

B. three hundreds of

C. three hundreds

D. three hundreds

’12 ______ of the workers in this factory is about two hundred, _______ of them are

women workers.

A. The number, first third

B. The number, one third

C. A number, half

D. A number, three quarters

13. _______ Germans come to visit China every year.

A. Thousands of

B. Thousands

C. Thousand of

D. Two thousands

14. The story happened____.

A. in July 9, 2009

B. on July 9th, 2009

C. in 2009, July9

D. on 2009, 9th July

(完整word版)初中英语数词用法总结,推荐文档

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look after照顾,照看 look at看;观看 look for寻找 look like看起来像 pay for (sth.)付钱;支付 point at指示;指向 point to指向...... prefer to ...宁愿(选择);更喜欢 quarrel with (和某人)吵架 regard ... as ...把......当作......;当作 stop ... from阻止......做...... talk about说话;谈话;谈论

talk with与......交谈 think about考虑 think of认为;想起 B)动词+ 副词 ask for请求;询问 carry on坚持下去;继续下去 cut down砍倒 clean up清除;收拾干净 come down下来;落 come along来;随同 come in进来 come on来吧;跟着来;赶快

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come true (希望、梦想等)实现,成为现实cut 短语 cut up 切碎 cut down 砍到,消减 cut off 切断,切除 cut out 删除;删去;剪下 cut in 插嘴 fall短语 fall into 落入;陷入 fall behind 落后 fall down 摔倒,倒塌 fall off (从……上)掉下 fall asleep 入睡 fall over 绊倒;跌倒 get短语 get away 逃离 get back 返回 get down 下降 get on 上车 get off 下车 get over 克服

get up 起床;起来 get along/on with sb. 与某人相处 go短语 go away 走开;离开 go back 回去 go up 上升;增长 go out 出去;熄灭 go off(闹钟)发出响声 go over 仔细检查;复习 go through 通过 give短语 give away 赠送;分发 give back 还给;归还;恢复(健康等) give in 投降,屈服 give out 发出(气味、光线、声音、信号);分发give up 放弃 jump短语 jump into 跳入 jump over 跳过 jump off 跳离 leave短语

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