高考英语二轮复习语法突破专题四数词(含答案)

1、语法复习第四讲：数词I、重点难点解析数词是用来表示事物和数量的顺序的词，分为基数词和序数词两种功能做主语、宾语、表语、定语、同位语读法A .记31个词：基数词119, 2029整十位数和 million, billionhundred, thousand,基二要B.会读个、十、百位数数 词占 八、C.由右向左每二位数前的逗号分别读做thousand, million 和billion,逗号之间的按百位以内的数读A.表示 几百“、几千"时，hundred, thousand亨词不加s壮思B. hundred, thousan的词为复数时做名词，表示 思数量很多”的意序 数 词构成A.

2、一般的基数词后+th,多位数的基数词只变最后一位。如： ten 一 tenthB.整几十的基数词，去掉词尾的y再加ieth,如：thirty -thirtietC.几个不规则词：first, second, third, fifth, eighth, ninth, twelfth功能做止语，而回加the；年、月、日中的日；表小 的分母第几”时；分数中基数词：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为结尾thi

3、rteen, 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 连字符了twenty-five, sixty-five, ninety-nine101999百位5位之间通常用andthree hundred and twenty-five（美语中常将 and省略）千以上6275 six thousand two hundred and seventy-five； 12

4、00 twelve hundred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各基数词尾加th其中七个例外：first, second, third, fifth, eighth, ninth, twelfth,其余，如： four 一 fourth, six sixth, nineteen nineteenth20,3090把y变i后加ethtwentieth, fortieth, ninetieth21以后多位 数最后一个数用 序数词，其余用 基数词21st twenty-first, 110th one hundred and tenth三数词的用法：1 .英语中

5、年月日、点钟、序数词、分数词、算式列表汉语示例央语表小法时 问 表 达2001年6月30日June 30,2001 30June,2001 30thJune, 2001七点二十五分（7： 25）seven twenty-five / twenty-five past even十二点五十四分（12:54）twelve fifty four six to one九点十五分（9: 15）nine fifteen a quarter past nine二点半（2: 30）two thirty half past two二 T一点五十分（21: 50）twenty-one fifty 9:50p.m.数

6、 字 表 达第二Ttwenty-first第一百二十三one hundred and twenty-third二分之一a half二又五分之二two and two-fifths百分之二T20 per cent 20 percent编 号 表 达第七路公共汽布Bus Number 7第201房间Room 201人民路153号153 Renmin Road第三中学No 3 Middle School算式表达4+8 = 12Four plus eight is twelve11-7= 4Eleven minus seven is four.6 >5=30Six times five is t

7、hirty.205= 4twenty divided by five is four.A>BA is more than B.A<BA is less than B.A=BA is approximately (近似地,大约)equal to B.AWBA is not equal to B.2 .约数表示法列表含义央诒友达例句大于某数more thanHe has lived here for more than twenty years.overshe is over fifty.or moreThere're thirty people or more in the

8、meeting-room.小于某数less thanI have less than (not more than )fifty dollars.underChildren under seven are not allowed to enter.belowHe would not sell it for below a hundred fifty dollars.or lessThe coat might cost him sixty dollars or less.大约（某 数）nearlyShe is nearly fifty now.almostIt ' almost thre

9、e o'clock.up toUp to ten men can sleep in this tent.orHe spent four or five days writing 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 lessThe container can hold more or less twenty pound

10、s of water.around/roundLet's make it round/around eight o'clock.3 .不定数量词 多”的表示法列表被修饰名词的 数央i口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数白力billions of亿万修饰不可数名 词much , a great （good）

11、deal of , a large amount of ,large amounts of许多、大量修饰可数名词 或/、可数名词a lot of / lots of ,plenty of, a large quantity of , large quantities of许多、大量II、实战演练一.根据句意将括号内的汉语译成英语1.1 t is not rare 在九十年代） that people in their fifties are going to university for further education.2. （三分之二） of the land in that distr

12、ict is covered with trees.3. Americans eat（两倍多的） as many vegetables per person today as they did in 1910.4. The earth is（4胎）the size of the moon.5. The grain output of this year is 府 8%） than that of last year.6. （几百万）people in the world are sending information by E-mail every day.7. The hero of the

13、 story is an artist（三十多岁）.8. Mr Smith asked me to buy（两打） eggs for the dinner9. Tell me where you live, please.-I live（在和平路 123 号）.10. About （三千人）took part in the demonstration against the war on Iraq.11. The rice production has5.8%） this year.12. There were fifteen presidents before Abraham Lincoln

14、, so he was（第十六任）president.13. It will take me（ 一年半的时间）to finish thecourse.14. Is the Yellow River第二大河）in China?15. 时始的三个部分 ）of the text are rather difficult for us beginners.16. I w川 stay here for L两天 ）.17. He lived in五楼 506 房）.18. The class was over. The students went out of the classroom （三三两两地）.

15、19. At a rough estimate, Nigeria is工倍大）Great Britain.20. You can find the answer to this question on第七页）.21. We can go there on foot. It is only五分钟的路程）.22. He served in the army in（2世纪 40 年代）,when he was U十多岁）.23. He as been here for j个半月）.24. The teacher asked us to write a W（ 字）article.25. Many sc

16、ientists believe that oil was formed in the earth（数百万） years ago.26. It will take L 年半）time to finish the course.二.句子翻译1 .十年前，我们村的人口是他们村人口的两倍。2 .据报道，美国所用的能源是整个欧洲的两倍。3 .这个教室比我们的教室大五倍。4 .今年粮食产量增加了四倍。5 .地球表面的三分之二被水覆盖。6 . 40%的学生住校。7 .不要每行都写，要隔行写。8 .他是个7岁的孩子。答案:1 .1. in the 90s2. Two thirds 3. more than

17、twice 4. 49 times 5. 8percent higher 6. Several Million 7. in his thirties 8. two dozen 9. at 123 Heping Street 10. three thousand people 11. increased by five point eight percent 12. the sixteenth 13. one and a half years 'time14. thesecond largest 15. The first three parts16. one or two days 1

18、7.Room 506 on the fifth floor18. in twos or threes 19. three times aslarge as / three times the size of 20. page seven 21. a five-minute walk / a five minutes' walk 22. the 1940 s; in his twenties. 23. two and a half months 24. two-thousand-word 25. millions of 26. one and a half year s2 .1. Ten years ago, the population of our village was twice as large as that of theirs.2. It is reported that the United States uses twice as much energy as the whole of Europe.3. This classroom i