小学英语数词专项复习

一、基数词“八注意”。

)基数词的读法。注意:1000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billionthousand 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:52368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

)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. Ive read ____ sports news about the F1 race today.

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

(      )4.
Can I help you?

Id 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

)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 

)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pastto连接。即:1~30分钟(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
twenty past four 5:45 five fifteen fifteen to six a quarter to six

中考演练:

(     )7. --It 9:45. Yes, Its ____.

A. fifteen from ten B. a quarter to ten

B. fifteen past nine D. a quarter past ten

)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 War, 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

)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? Its 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

)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 halftwo 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

)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? --Its 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”。

)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
t , ninee;

twenty, thirtyninety, 需变yie;

five
twelve, 需将vef;

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 

)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:Ill 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 

)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.
Whats 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

 

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