小升初英语数词专项讲解及练习.doc

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、
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
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
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.

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 　
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

（ ） 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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