小学英语数词专项复习

一、基数词“八注意”。

一)基数词的读法。注意：1，000以上数目的读法：自右向左每三位划一个分节“，”，第一个分节读thousand, 第二个分节读million, 第三个分节读billion或thousand million ，且hundred, thousand, million等用单数形式。注意，百位数hundred与十位数(或个位数)之间要用and连接。十位数与个位数之间要用连字符号“-”，如：52，368读作：fifty-two thousand, three hundred and sixty-eight.

挑战中考：( )1. –How long is the new bridge? Do you know ?

--Yes. It’s about _____. 

A. one thousand one hundred and eighty meters

B. one thousand and one hundred fifty meters

C. two thousands one hundred forty meters

D. two thousands seventy and three meters

(   )2. There are ____ days in a year.

A. three hundred and sixty-five B. three hundred and sixty five

C. three hundred sixty-five D. three hundreds and sixty- five

二)基数词表计量。注意：基数词表计量大于1时，它所修饰的名词要用复数形式。如: two bottles of water (两瓶水); three boxes of apples(三箱苹果)。

挑战中考：

 (     )3. I’ve read ____ sports news about the F1 race today.

A. two B. pieces C. two pieces D. two pieces of

(      )4. –Can I help you?

–I’d like ____for my twin daughters.

A. two pair of shoes B. two pairs of shoe

B. two pair of shoe D. two pairs of shoes

三)基数词表番号(编号)。注意：编号的事物如果数字较大，一般用基数词表达，且放在编号的事物名词之后。如：No.102 Middle School (102中学);Room 206 (206房间)如果编号的事物数字不大，用序数词表达，但它应放在编号名词之前。如：the first lesson (第一课)

挑战中考：

(     )5. Jack is now in _____. 

A. the three grade B. Grade Third C. Grade Three

( )6. Now children, turn to page __and look at the __ picture in Lesson Two.

A. twentieth; one B. twenty; one

C. twentieth; first D. twenty; first 

四)基数词表时刻。注意：英语时刻表达法有两种：一种是直接读数字，先说钟点数，后说分钟数：另一种是先说分钟数，后说钟点数，中间要用past或to连接。即：1~30分钟(含30分钟)用“分钟数+past+钟点数”;31~59分钟用“(60-分钟数)+to +下一个钟点数”。如：

4:20 four twenty或 twenty past four 5:45 five fifteen或 fifteen to six或 a quarter to six

中考演练：

(     )7. --It’ 9:45. –Yes, It’s ____.

A. fifteen from ten B. a quarter to ten

B. fifteen past nine D. a quarter past ten

五)基数词复数表岁数或年代。注意：表示“几十”的基数词的复数形式，可用来表示某人的大概岁数或年代。如：My uncle went to England in his twenties. 我叔叔在20多岁时去了英国。

又如：These eggs were found in the Gobi Desert by a group of scientists in the 1920s.这些恐龙蛋是20世纪20年代由一群科学家在戈壁沙漠发现的。

挑战中考：( )8.During World WarⅡ, a Jewish(犹太的)lady was protected by a local family in Shanghai in her ___. 

A. fifties B. fifty C. fiftieth D. the fiftieth

六)含基数词的复合形容词。注意：“基数词+名词(+形容词)”构成的复合形容词作定语时，其中的名词用单数形式。如：two-week holiday 两周的假 ; an eighteen-metre-wide street 一条18米宽的街道

但注意它与名词所有格形式作定语的区别。如：How far is it from your home to your school? It’s about ten minutes’ walk. 从你家到到学校多远?大约十分钟路程。

挑战中考：

(     )9. Bill said they would have ____ holiday. 

A. a two-month B. two months C. two-months D. two month’s

(     )10. Tim is _____ boy. He can say a few words. 

A. an one-year-old B. a one-year-old C. an one-year old D. a one-year old

七)基数词与“多少又一半”的表达。注意：“多少又一半”的表达有种方法：一种是“数词+n.(单数或复数)+and a half”;另一种是“数词+and a half +n.复数”。如：“两个半月”可译为：two months and a half或two and a half months

中考演练：

(      )11. I spent ______ in doing my homework yesterday.

A. a half and two hour B. two and a half hour

C. two hour and a half D. two and a half hours

八)hundred, thousand, million等表示大约数与确切数的区别。注意：基数词表示具体数目时，hundred, thousand, million用单数形式。但在表示“数百”、“数千”、“数百万”等不确切数目时，hundred, thousand, million要用复数形式，且后接“of +名词复数”。如：

1. There are nine hundred and forty-seven students in our school. 我校有947个学生。

2. Thousands of students come to visit the Museum of Natural History every year.

每年有数千学生来参观这个自然历史博物院。

挑战中考：

(      )12. Nanjing is a city with many places of interest. _____ tourists come here every year.

A. Thousand of B. Thousand C. Thousands D. Thousands of 

(       )13. –How many people are there in Changsha?

--About six _____.

A. million B. millions C. millions of

(        )14.—How many people will come to Beijing for the Olympic Games in 2008? --It’s hard to say. _____ people, I think.

A. Million of B. Millions of C. Two millions of D. Two million of

二、序数词“三注意”。

一)序数词的构成及基本用法。注意：序数词一般以与之相应的基数词后加-th 构成，少数几个需特别记忆。为方便大家记忆，请看下面口诀。

基变序，有规律，first, second, third要牢记;

其它变化有公式，基数词尾加-th;

eight去t , nine去e;

从twenty, thirty到ninety, 需变y为ie;

five和twelve, 需将ve变f;

若是遇到“几十几”，只变个位就可以。

另外，注意：序数词前要加定冠词the, 在句中作定语放在所修饰的名词前。如：December is the twelfth month of the year. 十二月是一年中的第12个月。

挑战中考：

(      )15. Thursday is the _____ day of the week. (five)

( 用所给词的适当形式填空) 

(        )16. He believed his lucky number was ten, so he decided to live on the ____ floor.

A. lowest B. ten C. tenth

(       )17. I have made ____ dumplings. Now I’m making the ___ one.

A. twenty; twentieth-first B. twenty; twenty-first

C. twentieth; twenty-first D. twenty; twenty-one 

二)序数词与冠词a/an连用。注意：序数词前加不定冠词a/an, 表示“又一”、“再一”的意思。如：Please try it a second time. 请再试一试。但基数词与more连用，并放在more前，表示“另外有”、“还有”的意思。如：I’ll take one more (=another) pencil. 我还要一支铅笔。We ’ve just started! There were twenty more trees to be planted!我们才刚开始呢!还有20棵树要栽呢!

挑战中考：

(      )18.Time is not enough for so much work. ____ people are needed, I think.

A. Other two B. Only two C. Two more D. Two others

(      )19. Both of the two rulers are broken. I want to buy a ___ one.

A. three B. third C. forth D. 不填 

三)分数的表达法。注意：分数以基数词和序数词合成的。分子用基数表示，分母用序数词表示，分子大于1，分母要用复数(-s)。如：1/3(三分之一) ：one third 2/3 :two thirds

挑战中考：

(      )20. This is a big class, and ____ of the students are girls. 

A. two third B. second three C. two thirds D. two three

(       )21. –What’s one fourth and a half , do you know?

--Yes, it’s ______. )

A. two sixths B. three fourths C. one three D. three sixths

练习参考答案：1.A 2.A 3.D 4.D 5.C 6.D 7.B 8.A 9.A 10.B 11.D 12.D 13.A 14.B 15.fifth 16.C 17.B 18.C 19.B 20.C 21.B