高考英语数词十七大核心考点
高考英语“数词知识点” 解析
高考英语“数词知识点”解析高考语法的难度加大，在考试中的比例也大大增加了，完型、阅读、写作都需要语法的熟练运用。
这里为大家整理了语法中数词的用法！一、基数词（表示数目多少或顺序先后的词叫数词）1.基数词的构成：1-10one, two, three, four, five, six, seven, eight, nine, ten;11-19eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen;20-90twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety;≥ 100100 a/one hundred;1,000 a/one thousand;1,000,000 a/one million;1, 000,000,000 a/one billion = a/one thousand million2. 基数词的用法1)作主语：Three will be enough for us.三个对我们来说就足够了。
Two of the girls are from Tokyo.这些姑娘中有两位来自东京。
2)作宾语：Four people applied for this job, but we only need one.四个人申请这工作，但我们仅需一人。
3)作表语：The population of China is over 1.3 billion.中国有十三亿多人口。
I’m twenty while my brother is sixteen.我二十岁，我弟弟十六岁。
4)作定语：We have 300 workers in our company.我们公司有三百名员工。
Forty students were involved in the interview. 四十名学生参加了这次采访。
2020高考英语“数词知识点”解析
3） 序数词前有形容词性物主代词、名词所有格或其他修饰语时不用任何冠词。 My first five years of childhood was spent with my grandparents. 我五岁前是和祖父母一块度过的。 Mrs. Black ’s second child is a genius. 布莱克夫人的第二个孩子是个天才。
2020年最新
高考英语“数词知识点” 解析
高考语法的难度加大，在考试中的比例也大大增加了，完型、 熟练运用。这里为大家整理了语法中数词的用法！
阅读、 写作都需要语法的
一、基数词 （表示数目多少或顺序先后的词叫数词 ）
1. 基数词的构成： 1-10 one, two, three, four, five, six, seven, eight, nine, ten; 11-19 eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen; 20-90 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety; ≥ 100100 a/one hundred;1,000 a/one thousand;1,000,000 a/one million;1, 000,000,000 a/one billion = a/one thousand million
4
2020年最新
这台计算机的价格是那台的三倍。
2）“倍数 + the size of …” 用法与 size 相同的名词常见的有 weight （重量） ，height （高度） ，depth （深度） ，width （宽度）， age（年龄）， length （长度）等。 Our playground is five times the size of theirs. 我们的操场是他们的五倍大。 This street is twice/double the width of that one. 这条大街是那条大街的两倍宽。
高职高考英语数词知识点
高职高考英语数词知识点一、基础概念数词是用来表示数量或顺序的词汇，在英语中起着非常重要的作用。
我们在学习和使用英语时，经常会遇到各种各样的数词，因此，对于数词的掌握是非常必要的。
二、基数词基数词用来表示具体的数量，如1、2、3等。
除了基本的阿拉伯数字之外，英语中还有一些特殊的基数词，比如十位数（ten），百位数（hundred），千位数（thousand）等。
1. 百位数：百位数由1-9的基数词加上hundred构成，如100（one hundred），200（two hundred），依此类推。
需要注意的是，当百位数与数字组合在一起时，一般需要使用连字符（hyphen）连接，例如349（three hundred and forty-nine）。
2. 千位数：千位数由1-9的基数词加上thousand构成，如1000（one thousand），2000（two thousand），依此类推。
与百位数类似，当千位数与数字组合时，也需要使用连字符，例如2345（two thousand three hundred and forty-five）。
3. 百万、十亿等：百万（million）、十亿（billion）等数词是用来表示非常大的数量的，它们可以与其他基数词组合使用。
例如，102,000,000（one hundred and two million）。
三、序数词序数词用来表示事物的次序或顺序，例如第一（the first）、第二（the second）等。
序数词的构成方式相对固定，一般在基数词基础上加上-th或-y后缀。
例如，1（one）的序数词是第一（the first），2（two）的序数词是第二（the second）。
需要注意的是，除了第一（the first）和第二（the second）之外，其他序数词一般是以基数词加上-th构成，如3（three）的序数词是第三（the third），4（four）的序数词是第四（the fourth）。
高考英语数词知识点复习
高考英语数词知识点复习数词在英语中起着非常重要的作用，它们用来表示数量、顺序和比例等概念。
在高考英语考试中，数词经常出现，掌握数词的用法和规则是提高得分的关键之一。
本文将系统地回顾数词的知识点，帮助大家在高考中取得好成绩。
1. 基数词（Cardinal Numbers）基数词用来表示具体的数量，如1、2、3、10、100等。
在英语中，基数词的表达方式有一些规律可循。
1.1 0-19的基数词对于0-19的基数词，一般采用单词的方式表示，如one（1）、two （2）、three（3）、four（4）等。
需要注意的是，其中11-19的基数词是以“-teen”结尾，如eleven（11）、twelve（12）、thirteen（13）等。
1.2 20-90的基数词20-90的基数词的表达方式与中文类似，采用十位数和个位数的组合。
例如，twenty（20）、thirty（30）、forty（40）、fifty（50）、sixty（60）、seventy（70）、eighty（80）、ninety（90）。
需要特别注意的是，当十位数后接个位数时，一般使用连字符“-”将两个数字连接起来，如twenty-one（21）、thirty-eight（38）等。
1.3 基数词的变形和数词词组有一些基数词在特定情况下需要进行变形。
例如：- 1变为序数词“first”；- 2变为序数词“second”；- 3变为序数词“third”；- 5变为序数词“fifth”。
此外，还有一些表示特定数量的数词词组，如“a half”（一半）、“a quarter”（四分之一）、“a dozen”（一打）、“a couple of”（几个）等。
2. 序数词（Ordinal Numbers）与基数词不同，序数词用来表示顺序、次序和阶级等概念。
在英语中，序数词的构成方式和用法有一些规则。
2.1 构成方式大部分的序数词是在基数词的基础上加上后缀“-th”构成的，如first （第一）、second（第二）、third（第三）、fourth（第四）等。
高考英语必考词汇：数词考点大盘点
高考英语必考词汇：数词考点大盘点高考英语必考词汇大全：数词考点大盘点明天就是高考了，英语词汇是英语考试的关键，所以今天店铺给大家整理了一些实用且常用的高考英语词汇相关资料，觉得有用的话快收藏吧。
数词考点大盘点数词在高考中虽然不像其它词类那么"热",但也有其考查的重点和难点,须引起同学们的注意。
一、考查基数词的用法1. 基数词hundred, thousand, million等表示确切数目时,其词尾不能加-s,其前面可用数词或several, some等修饰;当表示笼统数目时,其词尾要加-s,可跟of连用,其前不能用数词,但可以用several, some等修饰。
【原题再现】________ people in the world are sending information by e-mail every day.A. Several millionB. Many millionsC. Several millionsD. Many million【解析】 million前可用several修饰,此时其后不能加-s, many不能修饰million。
表达"几百万"也可用millions of。
答案为A。
2. dozen和score的用法要注意以下几点:1) dozen与数词或many, several等连用时,不加-s,所修饰的名词前常省去of。
如two (many, several) dozen pencils。
但是,在a dozen of these / those people, two dozen of them等短语中应加of,这是习惯用法。
2) two score of people中应加of,但在three score and ten people(70人)中,不加of。
3) 表示"几十;许多"时,可使用dozens of; scores of形式。
数词 高考英语语法重点归纳
四、数词3、序数词：表示顺序的数词叫序数词。
1、英语的序数词基本变法：(1) 一般在基数词后加th,(2)-ve结尾的改为-fth,(3)-ty结尾的改为-tieth,(4)熟记特殊词。
2、序数词如下：1000th→one thousandth, 1000000th→one millionth., 第703→the seven hundredand third,第5480→the five thousand four hundred and eightieth.3、注：(1)两位以上的序数词仅个位数部分用序数词,其余部分仍用基数词。
如：thirty-sixth,(2) 使用序数词时一般加定冠词the. 如：I’m in the third grade.(3) 序数词作“几分之几”讲时,有复数形式。
如：1/5→one fifth ; 2/3→ two third s ;4/7→ four seventh s ; 1/2→ a half ; 1/4→a quarter ; 3/4→ three quarter s ;50%→ fifty hundredth s ( fifty per cent).4、数词的用法：1、表示年份：2002: twenty thousand and two ; 1976 : nineteen seventy-six.2、表示日期：12月1日: Dec.1st或the first of December；2002年11月8日: Nov. 8th, 2002.3、表示时刻：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.4、表示编号：Room 105→Room one 0 five; Bus No.13→Bus Number Thirteen; P.5→PageFive; Tel.No.7658659→Telephone Number seven-six-five-eight-six-five-nine5、小数的读法：5.7→ five point seven, 0.16 →zero point one six.6、“半”的表达：1/2→half, 半小时→half an hour, 1.5小时→one and a half hours或onehour and a half.7、序数词前面加the时,表示顺序,加a/an时表示“再一、又一”。
高考英语数词知识点知识点复习
高考英语数词知识点知识点复习高考英语数词知识点复习在高考英语中，数词是一个非常基础而重要的知识点。
理解和运用数词的正确用法，不仅能够在阅读理解和填空题中发挥作用，还在写作和口语表达中起到关键作用。
本文将对高考英语中的数词知识点进行复习，帮助考生巩固数词的用法。
一、基数词和序数词1. 基数词表示数量：例如：one, two, three, four, five, six, seven, eight, nine, ten等。
2. 序数词表示顺序和次序：例如：first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth等。
二、数字的读法1. 一位数的读法通常是直接读出来：例如：1读作one, 2读作two, 3读作three, 4读作four, 5读作five 等。
2. 两位数的读法分为两种情况：- 第一种情况是以1开头的两位数，可以先读出十位上的数字，然后加上个位上的数字：例如：11读作eleven, 13读作thirteen, 19读作nineteen等。
- 第二种情况是其他的两位数，可以先读出十位上的数字，然后加上连字符“-”再读出个位上的数字：例如：20读作twenty, 24读作twenty-four, 39读作thirty-nine等。
3. 三位数及以上的读法，可以先读出百位上的数字，然后在百位数字后面加上“hundred”，再加上十位和个位上的数字：例如：100读作one hundred, 123读作one hundred and twenty-three, 357读作three hundred and fifty-seven等。
三、基数词和序数词的用法1. 基数词在句子中作主语、宾语或表语时通常用单数形式，而序数词通常用作形容词来修饰名词：例如：I have two cats.（我有两只猫。
）This is the second time I've been to Beijing.（这是我第二次来北京。
(整理版高中英语)数词
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、序号的根本用法。
2．掌握不定数量词、约数词的表达方法。
数词在各个题项中，单项选择、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。
数词是由两大局部构成的即基数词和序数词，而其他数字表示法如分数，小数等均由这两大局部的不同组合而构成。
〔三〕数词的用法：1.英语中年月日、点钟、序数词、分数词、算式列表例如英语表示法 ．6．30June 30, 30June, 30thJune, 7：25seven twenty-five twenty-five past even 12:54twelve fifty four six to one 9:15nine fifteen a quarter past nine 2:30two thirty half past two 21:50twenty-one fifty 9:50p.m. 第21twenty-first 第123 one hundred and twenty-third21 a half522two and two-fifths 20% 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 =12 Four plus eight is twelve11-7=4Eleven minus seven is four. 6×5=30Six times five is thirty. 20÷5=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)equals to B. A ≠BA 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 than He has lived here for more than twenty years.over she is over fifty.or more There're thirty people or more in the meeting-room. 小于某数less than I have less than (not more than )fifty dollars. under Children under seven are not allowed to enter.below He would not sell it for below a hundred fifty dollars.or less The coat might cost him sixty dollars or less.大约〔某数〕 nearly She is nearly fifty now.almost Its almost three o'clock.up to Up to ten men can sleep in this tent.or He spent four or five days writing the article.or so The distance is twenty miles or so.about I visited that village about three years ago.some Their team has some four or five players.more or less The container can hold more or less twenty pounds of water.around/rou ndLet'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 , a large amount of ,large amounts of许多、大量 修饰可数名词或不可数名词 a lot of /lots of ,plenty of, a largequantity of , large quantities of许多、大量练习、数词1. Two __died of cold last winter.A. hundreds old peopleB. hundred old peopleC. hundreds old peoplesD. hundred old peoples2. He was only in__ at the time.A. his 20'sB. the 20'sC. his twentiesD. the twenties3. The two great men wrote those letters in__ .A. 1870'sB. 1879sC. the 1870'sD. the 18704. I wonder if I can ask him__ time.A. fourB. fourthC. the fourthD. a fourth5. He came out__ in the track events.A. firstB. oneC. the firstD. the one6. It was in 1939 that __broke out.A. World War SecondB. the World War SecondC. Second World WarD. World War II7. You'll have to spend __writing your report here.A. one day or two daysB. one day or twoC. a day or twoD. two days or one8. He cut the cake__ .A. in halvesB. in halfC. into halvesD. into half9. The earth is nearly__ the moon.A. 50 time the size ofB. 50 times the size ofC. 50 times as size asD. 50 times as that of10. Either you or the headmaster __the prizes for these gifted students at the meeting.A. is handing inB. are to hand outC. are handing inD. is to hand out11. __of the population here are peasants.A. 20 percentsB. 20 percentC. the 20 percentD. the 20 percents12. It's about__ , the thickness of a human hair.A. two-fifteenthB. two-fifteenthsC. two fifteenD. two fifteens13. The price of such material was reduced__ .A. by 18 percentB. to 18 percentC. at 18 percentD. for 18 percent14. South of the equator, 81 percent of the surface of the earth__ water.A. 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 flood.A. Three scores ofB. 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 ofC. 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 StreetB. 101 Heping StreetC. Heping Street 101D. Heping street No. 10123. You can find him in__ .A. Room 201 Room C. the Room 20 D. the 201 Room24. 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 in ___ that he went to Yan'an.A. the 1940s, the 40sB. the 1940s, his fortiesC. 1940's, his fortiesD. the 1940's, his 40s26. He went to the market and bought __eggs and some meat.A. three dozen ofB. three dozenC. three dozensD. 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. suggested, dozens ofC. had, dozenD. persuaded, dozens of ('94)29.____of the land in that district ___covered with trees and grass.A. Two fifth, isB. Two fifth, areC. Two fifths , isD. Two fifths, are ()30.Two ___died of cold last winter.A. hundreds old peopleB. hundred old peopleC. hundred old peoplesD. hundred old peoples ('88MET.15)31.It is not rare in ___that people in ____fifties are going to university for further education.A. 90s,theB. the 90s, /C.90s, theirD. the 90s, their ('99 6)32.-Have you seen many sheep in the distance ? -Yes, ___.A. thousand of themB. two thousands of themC. two thousand of themD. two thousand them语法复习十八：数词1．B2. C 表示"几十"的数字的复数与所有格代词一起来用以表示人的年龄，本句为"二十多岁"。
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第四章数词Chapter four Numeral数字是信息的一种表达形式，与数字相关的表达也多种多样。
多年来高考试卷对数词进行了专项考查。
4.1序数词和基数词。
1、基数词的构成及用法【巧学妙记】英语数词的学习是英语初学者的必由之路。
如果不加分析，不去比较而逐一死记硬背，只能收到事倍功半的效果。
但是，请你仔细观察下面的表格，你会发现这些数词之间是有明显的规律的，如果抓住规律去记忆便能达到事半功倍的效果。
请同学们仔细观察这些数词后，背诵下面这个顺口溜，便可轻松地掌握这些数词。
1-10 十几(teen) 几十(ty)one eleventw o tw elve tw entythree thirteen thirtyfour fourteen fortyfive fifteen fiftysix sixteen sixtyseven seventeen seventyeight eighteen eightynine nineteen ninetyten【口诀记忆】学数词，别害怕，抓住规律不出差。
１到１２要牢记，十几，几十，有变化。
２、３、５特殊记，６、７、９直接加（词尾）。
词尾省“T”便是８。
只有小４要注意，四十无“U”别忘它。
其它基数词（1）21-99先“几十”再”几”，中间加连字符。
21 twenty-one 25 twenty-five 99 ninety-nine（2）100及100以上的基数词100及100以上的基数词，以末位向前推（每三位一节），依次须用到hundred, thousand, million, billion等。
（3）基数词的读法①三位数的读法:第一个数字+hundred+ and+后面的一位或两位数字101→ one hundred and one 450→ four hundred(and)fifty999→ nine hundred and ninety-nine②1，000以上的数的读法:先从后向前数，每三位数加一个逗号，第一个逗号前的数字用thousand(千)，第二个逗号前的数字用million(百万)，用“几十thousand”表示“几万”，以“几百thousand”表示“几十万”，用“几十million”表示“几千万”，用”几百million”表示“几亿”。
百位与十位（或个位）之间用and（偶尔可不用）5，643→ five thousand six hundred and forty-three865，432 → eight hundred sixty-five thousand four hundred and thirty-two6，000，000→ six million60，000，005→ sixty million and five8，000，000，000→ eight billion(=eight thousand million)13，789，653→thirteen million seven hundred and eighty-nine thousand six hundred2、序数词的构成及用法1）序数词一般由基数词后+ th构成，前面一般加定冠词the，如：He was first in the race. The girl came out first/second in the contest.2)以ty结尾的基数词构成序数词时，先把y改成i，再加eth。
如：the twentieth, the fiftieth 3）不规则的序数词有以下几个：first, second, third, fifth, eighth, ninth, twelfth4)“二十”以上的多位数，个位数用序数词，其余仍用基数词。
如：ninety-third ;one hundred and forty-ninth5)基数词与序数词连用时，通常是序数词在前。
如：the first two pages of the book（这本书的前两页）【口诀记忆】基变序，很容易，结尾加上th。
一二三特殊记，词尾各是t,d,d。
八减t，九去e，f来把ve替，y改为ie，结尾仍加th。
若是遇到几十几，只变个位就可以。
数词在句中的作用:1．主语：Two of them are teachers. The third is green.2．定语：There are fifty students in our class. They live on the third floor.3．宾语：Give me two. Give me the second.4．表语：I’m eighteen now. You are the first to speak at the meeting.5．同位语：You may leave it to us two.6．状语：This room is one-sixth larger than that one.【精练】1 There are____ months in a year. December is the____ month of the year.A. twelve; twelveB. twelve; twelfthC. twelfth; twelveD. twelve; twelveth2 During____ century, the world population has already reached 6 billion.A. twentyB. the twentiethC. twentiethD. the twenty3 Sunday is the____ day of the week.A. seventhB. firstC. secondD. third4 Autumn is _____ season in a year.A. the fourthB. the thirdC. a thirdD. the threeth5 Tom was ______ to get to school and I was ______.A. first; ninthB. the first; the ninthC. a first; a ninthD. the second; the nineth6 There are ___ days in a year.A. three hundreds sixty-fiveB. three hundreds and sixty-fiveC. three hundred and sixty-fiveD. three hundred and sixty five7 There are____ students in this school.A. eight hundreds and forty-sixB. eight hundred and forty sixC. eight hundred and forty-sixD. eight hundred forty-six8. We can say the number 78, 645 in English like this____.A. seventy-eight thousand and six hundred and forty-fiveB. seventy-eight thousand six hundred and forty fiveC. seventy-eight thousand six hundred and forty-fiveD. seventy eight thousand six hundred and forty-five9.To practice English conversation, the teacher had the students sit ____.A. in twos and threeB. in twos and threesC. in two or threeD. in twos or three10.--Did Tom come out ____ in the 100-metre dash?--Yes. He's always ____ first to reach the line.A. the; theB. 不填; theC. 不填; 不填D. the; 不填Keys: 1-5BBBBB 6-10 CCCBB by/in twos and threes三三两两地,零零星星地【考点1】序号表示法【考例】（'98）单词拼写第84题The office is on the ninth (第九) floor.【透视】英汉数词表达的异同.英语数词包括序数词和基数词。
习惯上，英语数字的分节不同于汉语，是每三位分为一节，没有“万位”。
【超链接】英语中序号表示法如下:（1）单纯的序号，可在基数词前加number,简写为No.。
如：No.1第一号（2）事物名词的序号表达法有所不同：①对于一些小序号可有序数词也可用基数词表达，形式分别为：“the +序数词+ 名词”或“名词+ 基数词”。
如：the First World War或World War One 第一次世界大战the Second World War或World War Two 第二次世界大战the fifth line from the bottom/end倒数第五排the last one but two倒数第二Lesson Five = the fifth lessonPart One = the first part②对于一些大序号我们通常只用一种表达法，即名词+ 数词。
如：501号房间表示为Room 501, 538路公共汽车表示为Bus 538。
Page 100，Line 12,row22③可用a / the + number + 基数词+ 名词。
如：a No.5 bus一辆五路公共汽车，the No.8 bus 那辆8路公共汽车the No.1 bus 那辆１路公共汽车a No.17 room on the second floor 二楼的第１７号房间【精练】1 My brother is in______.A. Three Class, One GradeB. Class Three, Grade OneC. Grade One, Class ThreeD. class three, grade one2 We are going to learn_____ this term.A. book sixB. six bookC. the book sixD. Book Six3 Please turn to_____. Let's read the text aloud.A. Page TwoB. the page twoC. second pageD. page second4.—Excuse me，can I go in from here?—Sorry，but you can go to _____.A.the Four GateB.Fourth GateC.the Gate FourthD.Gate FourKeys: BDAD【考点2】hundred,thousand,million,dozen,score等的用法【考例】1.She went to the bookstore and bought _________.（北京卷06-23）A. dozen booksB. dozens booksC. dozen of booksD. dozens of books D2.Shortly after the accident, two______ police were sent to the spot to keep order.('92)A. dozen ofB. dozensC. dozenD. dozens of3.________ people in the world are sending information by E-mail every day.(2001年上海春季高考卷)A. Several millionB. Many millionsC. Several millionsD. Many million4.Mr. Smith ____ me to buy several ____ eggs for the dinner party.(1994,上海)A. asked; dozenB. suggested; dozens ofC. had; dozenD. persuaded; dozens5.('88)Two ______ died of cold last winter.A. hundreds old peopleB. hundred old peopleC. hundreds of old peopleD. hundred old peoples6.（07浙江卷）2．It is reported that the floods have left about _________ people homeless. A．two thousand B．two-thousands C．two thousands D．two thousands of7.The farmer has raised ____ of ____ of ____ on his farm. (1985)A. hundred; head; cattleB. hundreds; head; cattleC. hundred; heads; cattleD. hundreds; heads; cattles【答案与简析】DCAAB AB2.此题题干中的空前有数词two修饰，dozen不能加s,其后也不能加of,故选C.译文：事故发生后不久，有二十四个警察被派往现场维持秩序。