英语语法复习十八：数词

1、语法复习十八：数词高考重点要求：1 .掌握基数词、序数词、分数词、倍数、百分数、年月日、钟点、年龄、序号的基本用法。2 .掌握不定数量词、约数词的表达方法。数词在各个题项中，单选、阅读、听力、写作中发挥着很强的作用，往往用以说明事实的精确性和可信性。数词是由两大部分构成的即基数词和序数词，而其他数字表示法如分数， 小数等均由这两大部分的不同组合而构成。（一）基数词：表示数目的词为基数词，它的构成如下表:范 围特点实例112无规律one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve1319以teen为结

2、尾thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen2090以ty结尾twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety2199十位与个位之 间要加连字符-twenty-five, sixty-five, ninety-nine101999百位与叶位之 间通常用andthree hundred and twenty-five （美语中常将 and 省略）千以 上6275six thousand two hundred and seventy-

3、five ; 1200twelve hundred（二）序数词：表示顺序的数词为序数词，它的构成如下表:范 围特点实例119各基数t尾加th其中七个例外：first, second, third, fifth, eighth, ninth, twelfth, 如：four - forth, six sixth, nineteen - nineteenth其余，20,3090把y变i后加ethtwentieth, fortieth, ninetieth21以最舟-个数用序后多数词，其余用基21st twenty-first, 110th one hundred and tenth位数数词（三）数

4、词的用法：1.英语中年月日、点钟、序数词、分数词、算式列表示例英语表示法2001 . 6. 30 June 30,2001 30June,2001 30thJune, 20017: 25seven twenty-five twenty-five past even12:54twelve fifty four six to one9:15nine fifteen a quarter past nine2:30two thirty half past two21:50twenty-one fifty 9:50p.m.第21twenty-first第123one hundred and twenty

5、-third12a half225two and two-fifths20%20 per cent 20 percent第七路公共汽车Bus Number Seven第201房间Room 201人民路153号153 Renmin Road4+8 =12Four plus eight is twelve11-7=4Eleven minus seven is four.6 X 5=30Six times five is thirty.20 + 5=4twenty divided by five is four.A >BA is more than B.A VBA is less than B

6、.A = BA is approximately (近似地,大约)equals to B.A WBA is not equal to B.2.约数表示法列表含义英语表达例句大于某数more thanHe has lived here for more than twenty years.overshe is over fifty.or moreThere're thirty people or more in the meeting-room.小于某数less thanI have less than (not more than )fifty dollars.underChildre

7、n under seven are not allowed to enter.belowHe would not sell it for below a hundred fifty dollarsor lessThe coat might cost him sixty dollars or less.大约（某数）nearlyShe is nearly fifty now.almostIts almost three o'clock.up toUp to ten men can sleep in this tent.orHe spent four or five days writing

8、 the article.or soThe distance is twenty miles or so.aboutI visited that village about three years ago.someTheir team has some four or five players.more or less The container can hold more or less twenty pounds of water. around/round Let's make it round/around eight o'clock.3. 不定数量词“多”的表示法列表

9、被修饰名词的数英语表达汉译修饰可数名词dozens of几十、许多scores of许多many, a good(great) many, many a (饰单数可数名词) 许多、大量hundreds of数以百计thousands of ,thousands upon thousands of成千上万millions of数百万billions of亿万修饰不可数名词much , a great (good)deal of ,许多、大量a large amount of ,large amounts of修饰可数名词或不可数名词a lot of /lots of ,plenty of,a l

10、arge quantity of ,许多、大量large quantities of练习、数词1. Two _died of cold last winter.A. hundreds old peopleC. hundreds old peoples2. He was only in_ at the time.A. his 20'sB. the 20'sB. hundred old peopleD. hundred old peoplesC. his twenties D. the twenties3. The two great men wrote those letters

11、 in_ .A. 1870'sB. 1879sC. the 1870'sD. the 18704. I wonder if I can ask him_ time.A. fourB. fourth5. He came out_ in the track events.A. firstB. oneC. the fourthD. a fourthC. the firstD. the one6. It was in 1939 that _broke out.A. World War Second B. the World War Second C. Second World War

12、D. World War II7. You'll have to spend _writing your report here.A. one day or two days B. one day or twoC. a day or two D. two days or one8. He cut the cake_ .A. in halvesB. in halfC. into halves D. into half9. The earth is nearly_ the moon.A. 50 time the size of B. 50 times the size of C. 50 t

13、imes as size as D. 50 times as that of10. Either you or the headmaster _the prizes for these gifted students at the meeting.A. is handing in B. are to hand out C. are handing inD. is to hand out10711. _of the population here are peasants.A. 20 percentsB. 20 percentC. the 20 percentD. the 20 percents

14、12. It's about_ , the thickness of a human hair.A. two-fifteenthB. two-fifteenths C. two fifteenD. two fifteens13. The price of such material was reduced_ .A. by 18 percentB. to 18 percent C. at 18 percentD. for 18 percent14. South of the equator, 81 percent of the surface of the earth_ water.A.

15、 isB. areC. wasD. were15. They sold _boxes of such sweets last week.A. four dozenB. four dozensC. four dozens ofD. four dozen of16. It took me _ days to finish drawing a beautiful horse.A. a half dozenB. half a dozenC. haft dozensD. half dozen17. _people were sent there to help fight against the flo

16、od.A. Three scores of B. Three score ofC. Three scoreD. Three scores18. Don't leave you work,_ .A. done halfB. half doneC. a half doneD. done a half19. Nobody can do two things well _ .A. at one timeB. at onceC. one timeD. once20. He has_ books in his study.A. several thousandsB. some thousands

17、of C. some thousandsD. some thousand of21. On National day_ people take part in all kinds of celebration.A. hundreds of millions ofB. millions of hundred ofC. hundreds millions ofD. millions hundreds of22. He has lived at_ for 30 years.A. No. 101 Heping Street B. 101 Heping Street C. Heping Street 1

18、01D. Heping street No. 10123. You can find him in_A. Room 201B.201 RoomC. the Room 20D. the 201Room24. It's_ walk from here to my school.A. two - hoursB. two hoursC. two - hourD. a two - hour25. It was in_ when he was already inthat he went to Yan'an.A. the 1940s, the 40s B. the 1940s, his f

19、orties C. 1940's, his fortiesD. the 1940's, his 40s26. He went to the market and bought _eggs and some meat.A. three dozen of B. three dozenC. three dozens D. three dozens of27.Shortly after the accident two _police were sent to the spot to keep order.A. dozen ofB. dozensC. dozenD. dozens of （MET92 29）28.Mr Smith _me to buy several _eggs for the dinner.A. asked, dozenB. suggest