数词的用法：
知识点：基数词和序数词
基数词表示表示事物数量多少,序数词表示事物排列顺序。
1.基数词：hundred （百） thousand （千） million（百万）
134： one hundred and thirty-four
1673: one thousand six hundred and seventy-three
注：a. hundreds of...数以百计...... thousand of...数以千计的.....
millions of...数以百万计......
b. hundred后面跟具体数字时，hundred不加“s”
e.g. 200: two hundred 300:three hundred
2.序数词：first, second, third, fifth, ninth, twelfth, twentieth
one-hundredth, one hundred and first
3.基数词变序数词口诀：基变序有规律，词尾加上-th,一二三特殊记，单词结尾tdd；八去t,九减e,f要把ve替；整十变y为ie；若是遇到几十几，只变个位就可以。
4.序数词缩写:lst,2nd,3rd,5th,12th,2lst,53rd
5.几个易错数词:four-fourteen-forty-fortieth;
nine- nineteen- ninety;
ninth---nineteenth---ninetieth3
6.分数:分子基数词,分母序数词;分子超过一,分母加s
1/3 one-third; 2/3 two-thirds: 1/2 one-half:
3/4 three quarters a three-fourths
29% twenty-nine percent 12% twelve percent4
7.小数:基数词之间加point表示小数。0.3:(zero) point three;,
0.036:(zero) point zero three six
8.编号:第一课 Lesson one或 the first lesson
第四单元 Unit4或 the fourth unit;
709房间:Room709,;
长治路18号:18 Changzhi road; P94: page ninety-four
电话号码10086: telephone number one double zero/ 0 eight six(重复用double,零用zero/0)
“......世纪......年代”二十世纪七十年代 in the 1970’s/1970s
训练题：
1. Lincoln was born on ________.
A. February 12, 1809 B. 1809, February 12 C. 1809, 12 February
2. A _______ boy can sing theEnglishsong very well.
A. ten-year-old B. ten years old C. ten-year-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. the 16th
5. Do you think there is any room for us ________ ?
A. two B. the two C. second
6. ---How many students are there in your class? --- ________.
A. Twenty nine B. Thirty and two C. Forty-five
7. Which number is wrong? _______.
A. Ninety B. Ninteen C. Ninth
8. The People’s Liberation Army was founded _______.
A. onAugust1, 1927 B. in 1927, 1 August C. onAugust1st, 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
10. The old professor still works hard though he is _________.
A. in his sixty B. in his sixties C. in sixties
11. This classroom is ________ ours.
A. three times big as B. as three times big as C. three times as big as
12. The basketball team of our school ranks ________ in the match.
A. three B. third C. the third
13. Which is the car that he drives? It’s ________.
A. fifty two B. the fifty-two cars C. 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 fifteen years old
15. Our school is not very big. There are only ________ students.
A. nine hundreds of B. nine hundred C. nine hundreds
16. ----How manynewwords are there in ________ lesson? ----There are only _________.
A. five; fifth B. fifth; five C. the fifth; five
17. ________, Coca-Cola began to enter China’s market.
A. In 1970’s B. In 1970s C. 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
19. Today is the first day and ________.
A. Tuesday is fourth B. Thursday is the fourth C. second is Tuesday
20. Which room do you live in? ________.
A. The 201 Room B. Room 201 C. Room 201st
参考答案：
1.A 2. C 3. B 4. C 5. A 6. C 7. B 8. A 9. A 10. B
11. C 12. C 13. C 14. C 15. B 16. C 17. C 18. B 19. B 20. B
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