初中数词用法讲解和练习.doc

数词专题 基数词 序数词1one 2two 3three 4four 5five 6six 7seven 8eight 9nine 10ten 11eleven 12twelve 13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen20twenty21twenty-one30thirty40forty50fifty60sixty70seventy80eighty90ninety100one hundred 数词的其他用法1、分数、小数、百分数的表达法分数：分子用基数词，分母用序数词。分子是1，分母用单数；分子大于1，分母用复数。中间的连字符可省略。如：1/2 a half或 one half; 2/3two-thirds; 1/4 one-fourth或a quarter; 小数：小数点读作point, 小数点前后均用基数词。如：123.405百分数：百分数用percent表示，percent没有复数形式。如：12%2、编号的表达法第一页：Page One或 the first page第五课：Lesson Five the fifth lesson401房间：Room 4018路车：Bus No. 8第一中学：No. 1 Middle School 电话号码：8821 67353、年、月、日、时刻的表达法年份：2014：two thousand and fourteen; 1976: nineteen seventy-six 日期：12月1日：Dec. 1st或the first of December; 2014年2月16日：Feb.16th, 2014时刻：5:15 five fifteen或a quarter past five; 8:30 eight thirty或half past eight; 10:45 ten forty-five或a quarter to eleven “半”：1/2: half; 半小时:half an hour; 1.5小时one and a half hours 或 one hour and a half【经典例题】例1.How old is your daughter ? . We had a special party for her party yesterday. A. Nine, nine B. Nine, ninth C. Ninth, ninth D. Nine, nineth例2. Its said that _ of the water around the world _ polluted. A. two third; hasB. two thirds; have C. two third; areD. two thirds; is例3. We planted trees last year. A. hundreds of B. hundred of C. five hundreds D. five hundred of例4. The winner of the singing competition was a _ girl called Zhang Mei from China. A. 19-years-old B.19-year-old C. 19-year-olds D. 19 years old【经典习题】1. Doris lives on the _ floor. Its too high, so she has to take a lift every day. A. four B. fourth C. forty D. fortieth2. Have you finished your todays work? No, I need _. A. two another hours B. another two hours C. more two hours D. two other hours3. Lindas mother looks young, but actually is in her _. A. sixties B. sixtieth C. sixty years old4.December is _ month of the year. A. twelve B. the twelfth C. the twelveth5._ of the students in our school _ girls. A. Two three, are B. Two thirds, is C. Two thirds, are6. On February 25, 2013, Li An, a Chinese director, won the best director again. It is his time to win an “Oscar”. A. firstB. threeC. twiceD. second7. “Food Safety” has become one of the hottest topics recently. Yeah, it receives _ Internet hits (点击) a day. A. thousands B. thousand of C. thousands of D. ten thousands8. She is a _ girl with two big eyes. A. six-years-old B. six-year-old C. six years old9. Can you imagine what life will be like in _ time? A. 20 years B. 20 years C. 20-years D. 20-year10. of the coats made of cotton. They feel comfortable. A. Two-thirds; is B. Two-thirds; are C. Two-third; is D. Two third; are11. When did you start to collect stamps? I got my _ stamp when I was _ years old.A. one, seven B. one, seventh C. first, seventh D. first, seven12. Its the _ time for me to volunteer in a hospital. I dont know anything about it. A. first B. second C. third D. last 13. The earthquake in Yaan left _ people homeless. A. two thousands B. thousands of C. two thousands of D. two thousand of 14. In this exam, youre asked to write a composition of about _. A. 90-wordsB. 90-word C. 90 wordsD. 90 words15. doctors are against H7N9 in China. A. Thousands B. A thousand of C. Thousands of16. How was your weekend? Great! It was my grandmothers _birthday. We enjoyed _. A. ninth, themselves B. ninetieth, ourselves C. the ninetieth, ourselves D. nineteenth, themselves17.Kate is girl. Shes very happy at school. A. a eighteen-year-old B. an eighteen-year-old C. an eighteen-years-old D. a eighteenyears-old18. To finish the task, weve tried three times, and after dinner well try time. A. the fourth B. a fourth C. fourthD. four19. Lets go to the bookstore at half past nine tomorrow morning Its too lateLets make it _. A. a quarter to nine B .twenty to ten C. a quarter to ten20.My mother bought me a sweater for my _ birthday. A. twelfth B. twelve C. the twelfth【课堂检测】时间：8分钟 得分：21.What day is it today? Its Monday, and its my _ birthday. A. fifteen B. fifteenth C. the fifteen D. the fifteenth22.How many teachers are there in your school? About four _. A. thousands of B. thousand C. thousands 23.Where is Class _? Its on the _ floor. A. Six; third B. Sixth; third C. Six; three D. Sixth; three 24. They are the students of _. A. Grade 7 B. Grade 7 C.7th grade D. Grade 7th25. Please write down the new words in the text of _. A. Lesson Ten B. the Lesson Ten C. Tenth Lesson26. The number of the cars in our neighborhood is about eight _, and _ of them are new cars. A. hundred; two thirds B. hundred; two thirds C. Hundreds; two thirdsD. hundreds; two third27.Excuse me, sir. Heres a package for Lin Tao. Which room does he live in? _. A. 308 Room B. Room 308 C. The Room 308 D. The 308 Room28.What should we do now? Please turn to Page _ and look at the _ picture. A. Twelve; fifth B. Twelfth; fifth C. Twelve; five D. Twelfth; five29.Mothers Day is on the _ Sunday in May every year. A. two B. second C .six D. sixth30. Its the boys _ birthday today. He is five years old. A. fifteen B. fifth C. five31. Unit _ is easy but _ unit is difficult. A. Sixth; seven B. Six; seven C. Sixth; the seventh D. Six; the seventh 32. _ of our classmates are good at basketball. A. Three quarters B. Three fourth C. Third four33.After the Asian Games, _ people came to Guangzhou for a visit during holidays. A. thousand B. thousands C. thousands of D. thousands of34. This tall building has _ floors. And T