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小升初英语数词专项讲解及练习

发布时间:2013-10-05 10:50:48  

数 词

一、 数词的种类 数词分基数词和序数词

基数词是表示自然数列的词, 例如; one、two、three、four…..

序数词是表示先后顺序的词, 例如: first、second、third、fourth…

二 基数词和序数词的表示法

1.基数词单词的拼写:1~12为单词 one two three four five six seven eight nine ten eleven twelve

13~19

都以后缀-teen结尾,20至90这样的整十数

都以后缀-ty结尾,其他基数词中间加连字符

号“-”再按照上述的变化进行。

例:21→twenty-one

56→fifty-six 85→eighty-five

三位数的构成为:

几+百+and+末两位(或末一位)数

例:132→one hundred and thirty-two

205→two hundred and five

千以上的数字的读法:从后面往前,每三位数作为一个单位,分别为thousand、million.

32、548、652、

1

读作:1.thirty two million

2.five hundred and forty

eight thousand

3.six hundred and fifty two

2. 序数词=基数词+th (1、2、3为 first、

second、third)。数词分基数词和序数词 但以下几种情况要注意:

1) fifth (第五)、 eighth (第八)、

ninth (第九)、twelfth(第十二)

2) 以ty结尾的基数词变词尾为tieth

例:

twenty→twentieth

ninety→ninetieth

序数词表示十位与个位数时,十位与个位之间用“—”

3)复合序数词只需要将相应基数词中

最后一位变成序数词,其余不变。

例:第二十一→twenty-first

第二百四十五→two hundred and

2

forty-fifth

三 基数词序数词的用法

1. hundred、thousand、million 与数 字连用,表示一定量的具体数字,不 用复数,但表示不定概念可用复数 例:three hundred people

millions of people

2. 基数词表示时刻。

例:7点 seven o’clock

7:20 seven twenty

3. 给某些事物编号

例:Lesson One=the first lesson 7月1日=July I (July Ist)

1996年6月3日=June 3, 1996 =June the third, nineteen ninety-six

4.in+one’s+整数数词的复数形式表示年龄

例:The old woman is in her nineties. He is his early forties.

5. 有关倍数表示法

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两倍用twice, 三倍以上用数词+times, 要注意倍数在句子的位置。例:

例:The door is three times the size of this.

He is double my age.

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数词-Practice练习吧

1.写出下列数词对应的英语形式。

2.单项选择

( ) 1. There are____days in a week.

A.the seven B. seventh

C. the seventh D. seven

( ) 2. I think that the _____ century (世纪) will bring us more hopes.

A. twenty-one B. twentieth-first

C. twenty-first D. twentieth-one

( ) 3. --How many students are there in your school?

--___ the students in our school_____ over two thousand.

A. The number of ; is B. The number of ; are

C. A number of ; is D. A number of ; are

( ) 4. The new student is in_____ .

A. Class 2 B. Class Second

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C. 2 Class D. class 2

( ) 5. --How many teachers are there in your school?

-- _____,but I’m not sure.

A. Hundreds B. Hundred

C. Hundreds of D.One hundred

( ) 6. _____of the teachers in our school is about one hundred, and of them are ___ women teachers.

A. The number, two-thirds B. The number, two-thid

C. A number, half D. A number, three-quarters

( ) 7. -- Dad , when will you be free?

-- I am sorry, Jean. But I think I will

have a ___holiday soon.

A. four-days B. four-day

C. four days D. four day

( ) 8. Fan Zhiyi’s transfer to Dundee Football Club at the end of last year aroused (激起) ____Chinese people’s interest.

A. thousand of B. thousand

C. thousands of D. thousands

( ) 9. This story happened on____ .

A. 1989, Oct 21st B. Oct. 21st ,1989

C. 21 Oct, ber , 1989 D. 21st of Octber, 1989

( )10. "Seven five" can be written____.

A. five sevens B. five to seven

C. seven fives D. five past seven

( ) 11. The English for 10,440 is____ .

A. ten thousand , four hundreds and forty

B. ten thousand, four hundred and forty

C. ten thousands, four hundred and forty

D. ten thousand and four hundred, forty

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( ) 12. ____of the workers in the 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. --- Can you write the number eighty- five thousand , six hundred and twenty-six? --- Yes, it is____ .

A. 85662 B. 85626 C. 85006 D. 85620

( ) 14. About ____of the books in our school library are written in Chinese.

A. Fourth -fifths B. four – fifth

C. four –fifths D. fourths-fifth

( ) 15. 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

( ) 16. January____ is New Year’s Day.

A. one B. two C. the first D. the second

( ) 17. Take the____ turning on your night.

A. nine B. ninth C. nineteen D.nineth

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