數(shù)詞語(yǔ)法講解及練習(xí)題

　　數(shù)詞分兩類:基數(shù)詞和序數(shù)詞.表示數(shù)目的詞叫基數(shù)詞,表示須序的詞叫序數(shù)詞。下面學(xué)習(xí)啦小編為大家?guī)?lái)數(shù)詞語(yǔ)法講解及練習(xí)題，歡迎大家學(xué)習(xí)!

　　一、數(shù)詞語(yǔ)法講解

　　1.基數(shù)詞

　　1)基數(shù)詞一般可寫(xiě)成如345或three hundred and forty-five。

　　2)基數(shù)詞一般是單數(shù)形式，但遇下列情況，常用復(fù)數(shù)：

　　a. 與of 短語(yǔ)連用，表示概數(shù)，不能與具體數(shù)目連用，如scores of people 指許多人;

　　b. 在一些表示"一排"或"一組"的詞組里。例如：

　　They arrived in twos and threes.　他們?nèi)齼蓛傻牡搅恕?/p>

　　c. 表示"幾十歲"。

　　d. 表示"年代"，用 in +the +數(shù)詞復(fù)數(shù)。

　　e. 在乘法運(yùn)算的一種表示法里，如Three fives is(are)fifteen。

　　2.序數(shù)詞

　　序數(shù)詞的縮寫(xiě)形式如first---1st　second---2nd　thirty-first---31st等。

　　3.數(shù)詞的用法

　　1)倍數(shù)表示法

　　a. 主語(yǔ)+謂語(yǔ)+倍數(shù)(或分?jǐn)?shù))+ as + adj. + as。例如

　　I have three times as many as you.　我有你三倍那么多。

　　b. 主語(yǔ)+謂語(yǔ)+倍數(shù)(分?jǐn)?shù))+ the size (amount，length…) of…。例如：

　　The earth is 49 times the size of the moon.　地球是月球的49倍。

　　c. 主語(yǔ)+謂語(yǔ)+倍數(shù)(分?jǐn)?shù))+ 形容詞(副詞)比較級(jí)+ than…。例如：

　　The grain output is 8 percent higher this year than that of last year. 今年比去年糧食產(chǎn)量增加8%。

　　d. 還可以用by+倍數(shù)，表示增加多少倍。例如：

　　The production of grain has been increased by four times this year. 今年糧食產(chǎn)量增加了4倍。

　　2)分?jǐn)?shù)表示法的構(gòu)成：基數(shù)詞代表分子，序數(shù)詞代表分母。分子大于1時(shí)，分子的序數(shù)詞用單數(shù)，分母序數(shù)詞用復(fù)數(shù)。例如：

　　1/3 one-third; 3/37 three and three-sevenths.

　　二、練習(xí)題

　　( ) 1. Lincoln was born on ________.

　　A. February 12, 1809 B. 1809, February 12 C. 1809, 12 February D. February 1809,12

　　( ) 2. 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

　　( ) 3. An hour later, _____ minister was sent to see the “magic cloth” woven by those two men.

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

　　( ) 4. Abraham Lincoln was _______ President of the United States.

　　A. 16 B. the 16 C. 16th D. the 16th

　　( ) 5. Do you think there is any room for us ________ ?

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

　　( ) 6. ---How many students are there in your class? --- ________.

　　A. Twenty nine B. Thirty and two C. Forty-five D. fifties

　　( ) 7. Which number is wrong? _______.

　　A. Ninety B. Ninteen C. Ninth D. Nineteenth

　　( ) 8. The People’s Liberation Army was founded _______.

　　A. on August 1, 1927 B. in 1927, 1 August C. on August 1st, 1927 D. in August 1, 1927

　　( ) 9. The number 4,123 is read _______.

　　A. four thousand one hundred and twenty-three B.four thousand and one hundred twenty-three

　　C. four thousand and a hundred and twenty-three D. four thousands a hundred and twenty-three

　　( ) 10. The old professor still works hard though he is _________.

　　A. in his sixty B. in his sixties C. in sixties D. in the sixty

　　( ) 11. 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

　　( ) 12. The basketball team of our school ranks ________ in the match.

　　A. three B. third C. the three D. the third

　　( ) 13. Which is the car that he drives? It’s ________.

　　A. fifty two B. the fifty-two cars C. the car fifty four D. the fifty-fourth car

　　( ) 14. Which of the following is wrong? ________.

　　A. He is a fifteen-year-old boy. B. He is at the age of 15.

　　C. He is a boy of 15. D. He is fifteen year old.

　　( ) 15. Our school is not very big. There are only ________ students.

　　A. nine hundreds of B. nine hundred C. nine hundreds D. nine hundred of

　　( ) 16. ----How many new words are there in ________ lesson? ----There are only _________.

　　A. five; fifth B. fifth; five C. the fifth; the five D. the fifth; five

　　( ) 17. ________, Coca-Cola began to enter China’s market.

　　A. In 1970’s B. In 1970s C. In the 1970s’ D. In the 1970s

　　( ) 18. There was no bus in that small town. We had a ________.

　　A. ten miles walk B. ten-mile walk C. ten mile’s walk D. tenth mile walk

　　( ) 19. Today is the first day and ________.

　　A. Tuesday is fourth B. Thursday is the fourth C. second is Tuesday D. a second is Thursday

　　( ) 20. Which room do you live in? ________.

　　A. The 201 Room B. Room 201 C. Room 201st D. The 201’s Room

　　( ) 21. How many magazines do you have? I have ________.

　　A. two B. both C. twice D. the second

　　( ) 22. Three hundred thousand one hundred and seventy means ________.

　　A. 3,170 B. 3,117 C. 300,170 D. 30,170

　　( ) 23. On May ________, ________ people traveled round the country.

　　A. the first, millions B. the first, millions of C. first, the millionth D. first, millions

　　( ) 24. ________ of them are dining at school.

　　A. Twelve B. Twelfth C. The twelve D. the 12th

　　( ) 25. It’s 7:17 is read ________.

　　A. seven and seventeen B. seven seven C. seven one seven D. seven seventeen

　　( ) 26. Four ________ two is two.

　　A. plus B. minus C. times D. divided by

　　( ) 27. Three ________ five is eight.

　　A. plus B. minus C. times D. divided by

　　( ) 28. Three ________ seven is twenty-one.

　　A. plus B. minus C. times D. divided by

　　( ) 29. Forty-two ________ seven is six.

　　A. plus B. minus C. times D. divided by

　　( ) 30. There are ________ days in a year.

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

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

　　參考答案：

　　1. A 2. C 3. B 4. D 5. A 6. C 7. B 8. A 9. A 10. B 11. C 12. D 13. D 14. D 15. B 16. D 17. D 18. B 19. B 20. B 21. A 22. C 23. B 24. A 25. D 26. B 27. A 28. C 29. D 30. B