高中英语语法之5·数词与量词 基础训练+能力提升

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名称 高中英语语法之5·数词与量词 基础训练+能力提升
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中小学教育资源及组卷应用平台
张道真全范围英语语法之·数词与量词
目 录
话说数词
A 基数词
基数词的构成
基数词的作用
B 序数词
序数词的表示
序数词的作用
C 倍数
D 分数词
E 小数
F 百分数
话说量词
A 与数量有关的代词和限定词
B 由“名词+of”构成的量词
C 与数量有关的其他词
形容词
名词
基础练习
能力提升
Unit 5数词与量词
话说数词
  数词是表示数目多少或顺序先后的 ( http: / / www.21cnjy.com )词。数词分为基数词、序数词、小数、分数和百分数五种。基数词、小数、分数和百分数表示数目或数量的多少。序数词表示顺序和等级,其功能相当于名词或形容词,在句中可作主语、宾语、表语、定语和同位语等成分。
A. 基数词
1. 基数词的构成
  基数词是表示数目的词。下面是最基本的基数词:
  1→one    2→two     3→three    4→four   5→five    
6→six   7→seven 8→eight   9→nine  10→ten 
11→eleven  12→twelve 13→thirteen  14→fourteen  15→fifteen  
16→sixteen 17→seventeen 18→eighteen  19→nineteen  20→twenty  
30→thirty   40→forty   50→fifty   60→sixty   70→seventy  
80→eighty   90→ninety   100→a hundred       
1,000→a thousand      1,000,000→a million    
  1,000,000,000→a billion 十亿
  除了上面列出的基数词外,其他基数词的构成如下:
(1) 21—99:应先说“几十”再说“几”,中间要加连字符。如:
  32→thirty-two  46→forty-six   75→seventy-five   99→ninety-nine
(2) 101—999:应先说“几百”,再加and,再加末尾两位数(或末位数)。如:
  238→two hundred and thirty-eight  719→seven hundred and nineteen
  908→nine hundred and eight
(3) 1,000以上的词应先从后向 ( http: / / www.21cnjy.com )前数,每三位数加一个逗号(即以此把数目分为若干段)。第一个逗号前的数为thousand,第二个逗号前的数为million,第三个逗号前的数为billion,第四个逗号前的数为trillion(兆)。然后一段一段地表示。如:
  9,703→nine thousand, seven hundred and three
  18,657,421→eighte ( http: / / www.21cnjy.com )en million, six hundred and fifty-seven thousand, four hun-dred and twenty one
  4,000,000,000→four billion
  1,000,000,000,000→a (one) trillion
  在这类数词中,hundred,thousand,million,billion等词通常都用单数形式。
2. 基数词的作用
(1) 作定语。如:
  There is one ( http: / / www.21cnjy.com )micro and two electric typewriters in company. 公司有一台微电脑和两台电动打字机。
  That store sells sev ( http: / / www.21cnjy.com )eral thousand dresses every month. 那家商店每月售出几千件衣服。
  Over one million pounds have been raised. 筹集了100多万英镑。
  相关试题解析
  Despite the ( http: / / www.21cnjy.com ) wonderful acting and well-developed plot, the_____movie could not hold our attention. (四级题)
  A. three-hours   B. three-hour  C. three-hours'    D. three-hour's
  【选B】译文:尽管有精彩的表演和完整的情节,但是三个小时的电影却不能一直吸引我们的注意力。
(2) 作主语。如:
  The other six are masterpieces. 另外6本都是杰作。
  There are five of us in all. 我们总共是5个人。
  One thousand will be enough. 一千足够了。
(3) 作宾语或介词的宾语。如:
  I saw four these programmes. 这些节目我看过4个。
  —How many do you want 你要多少?
  —Eight, please. 请给我8个。
  The city has a population of four million. 这座城市有400万人口。
(4) 作表语。如:
  We are altogether fourteen. 我们总共是14个人。
  Five plus seven is twelve. 5加7等于12。
(5) 作同位语。如:
  I am a woman, and you three are not. 我是女人,你们三个不是。
  Is there room for us two 有我们两人的位置吗?
  What work are you to assign us three 你分配我们三个人什么工作?  
(6) 用于复数形式。如:
  Millions of dollar ( http: / / www.21cnjy.com )s have gone into the building of this factory. 数以万计的美金被投入修建这座工厂。
  Tens of thousands ( http: / / www.21cnjy.com ) of buffaloes used to roam the prairie. 过去有数以万计的野牛在草原上漫步。
  相关试题解析
  Harbin is a ( http: / / www.21cnjy.com )beautiful city. ______people come here to visit the Sun Island every year.
(中考题)
  A. Thousands    B. Thousand of
  C. Thousands of       D. Thousands and thousands
  【选C】译文:哈尔滨是一座美丽的城市,每年有成千上万的人到这儿参观太阳岛。
(7) 表示“……十”的数词的复数形式可用来表示人的岁数或年代:
  表示年岁。如:
  Amber was by now in her late thirties. 现在安伯三十八九了。
  Austin is in his early twenties. 奥斯汀才二十岁左右。
  Andy died still in his forties. 安迪四十多岁就死了。
  表示年代。如:
  This took place in the 1930s. 这事发生在20世纪30年代。
  I was working in Singapore in the 60's. 60年代我在新加坡工作。
(8) 某些数学公式的读法。如:
  3+8=11→Three plus eight is eleven.
  9-2=7→Nine minus two is seven.
  6×5=30→Six times five ( Six multiplied by five) is thirty.2·1·c·n·j·y
  8÷4=2→Eight divided by four is two.
B. 序数词
1. 序数词的表示
  序数词是表示数目顺序的词 ( http: / / www.21cnjy.com )。序数词通常由与之相应的基数词加词尾-th构成,如tenth(第十)。但下面这些基数词在变为序数词时,有特别的地方:
(1) 几个特殊拼法的序数词。如:
  one→first     two→second     three→third
  five→fifth     eight→eighth     nine→ninth  twelve→twelfth  
(2) 以-ty结尾的基数词,要先变y为i,再加-eth。如:
  twenty→twentieth 第二十     forty→fortieth 第四十
(3) 由one,two,three,five,eight,nine结尾的多位基数词,照第一条办法变。如:
  twenty-one→twenty-first     thirty-two→thirty-second
  sixty-five→sixty-fifth     eighty-nine→eighty-ninth
  a hundred and fifty-three→a hundred and fifty-third
(4) 其他的基数词变序数词均以加-th构成。如:
  four→fourth       eleven→eleventh
  thirty-six→thirty-sixth     ninety-seven→ninety-seventh
  two hundred and thirty-six→two hundred and thirty-sixth
(5) 序数词有时用缩写形式:
  first→1st    second→2nd    third→3rd
  fourth→4th   twenty-second→22nd
2. 序数词的作用
(1) 作定语,前面通常加定冠词或物主代词。如:
  It was the third time I had been there. 这是我第三次到那里。
  Argentina is the ( http: / / www.21cnjy.com )second biggest nation in Latin America. 阿根廷是拉丁美洲第二大国。
(2) 作表语。如:
  Gordon Johncock was third. 戈登·约翰库克是第三名。
  She was second in line. 她排在第二。
  You will be the first to speak. 你将第一个发言。
(3) 作主语。如:
  First went to the American team. 第一名被美国队夺走了。
  The first (one) was no good; the second was better. 第一个不行,第二个好一点。
  The third of the month was a holiday. 那个月三号放假。
(4) 作宾语或介词的宾语。如:
  The country has a population of sixty million. 这个国家有6,000万人口。
  The third child trie ( http: / / www.21cnjy.com )d to outdo the first and second. 第三个孩子设法表现得比第一、二个孩子好。
  She stopped at the first of the trees. 她在第一棵树前停了下来。
(5) 和a连用,表示“再一个、又一次”等。如:
  When he sat down, a fourth man rose to speak. 他一坐下,又一个人起身讲话了。
  We'll have to do it a second time. 我们得再做一次。
  A second ph ( http: / / www.21cnjy.com )easant flew up. Then a third and a fourth. 又一只雉鸡飞了起来,接着又一只,又一只。
  相关试题解析
  Although I failed fo ( http: / / www.21cnjy.com )ur times, my father encouraged me to have a______try.(中考题)
  A. second  B. third    C. fourth    D. fifth
  【选D】本题考查序数词的用法,序数词前加不定冠词a表“再,又一次”。
(6) 表示日期。如:
  June 23rd读为June twenty-third或the twenty-third of June
  October 1st读为October first或the first of October
  August 31st读为August thirty-first或the thirty-first of August
(7) 构成固定短语。如:
  first place→第一名     first-rate→头等的    
  second nature→第二天性    second-rate→第二流的    
  second thought(s)→再次考虑  second to none→不比任何人差
(8) 在很多情况下,基数词代替序数词表示顺序。如:
  the first part—Part One 第一部分  
  the fourth chapter—Chapter Four 第四章
  the twenty-third section—Section Twenty-three 第二十三节
  the hundred and fourth division—Division 104 第104师
(9) 编号的东西,常避免用序数词。如:
  第803号房间→Room 803     第328页→Page 328
  南京路1409号→1409 Nanjing Road   第六号车厢→Carriage No. 6
  三号和四号卧铺→Berths Nos. 3and 4
  第七路公共汽车→Bus Number Seven  
C. 倍数
  表示两倍用twice或double,而3倍或3倍以上用“基数词+times”。下面是几种常见的表示倍数的句型:21·cn·jy·com
(1) ...times +as...as...
  This tree is three times as high as that one. 这棵树是那棵树的三倍高。
(2) ...times+比较级+than
  This book is four times thicker than that one. 这本书比那本书厚四倍。
(3) ...times the size (height,length,weight...) of ...
  The big ball is ten times the size of the small ball. 大球是小球的十倍大。
(4) ...times that of ...
  The volume ( http: / / www.21cnjy.com )of the sun is about 1,300,000 times of the earth. 太阳的体积约为地球体积的1,300,000倍。【来源:21·世纪·教育·网】
  相关试题解析
  At a rough estimate, Nigeria is_____Great Britain.
  A. three times the size as     B. the size three times of
  C. three times as the size of   D. three times the size of
   【选D】本题考查倍数表达 ( http: / / www.21cnjy.com )法。“基数词 + times+ the size / width+of+n.”表示“……是……的几倍大 / 宽”。2-1-c-n-j-y
D. 分数词
(1) 分数词是由基数词和序数词构成,基数词表示分子,序数词表示分母。除了分子为1的情况外,序数词都要用复数形式。如:
  7/9→seven-ninths     5/12→five-twelfths
  1/4→one-fourth或a (one) quarter  2/3→two-thirds      
3/4→three-quarters       二又四分之一→two and a quarter  
  比较复杂的分数词读法:    33/88→thirty-three over eighty-nine
  相关试题解析
  ______of the students are Young Pioneers in our class. (中考题)
  A. Two thre ( http: / / www.21cnjy.com )e B. Two threes   C. Two-thirds  D. Second three
  【选C】本题考查分数的表示法:分子为基数词,分母为序数词,分子大于1时,分母序数词要用复数。   
(2) 分数词在句中的作用。如:
  [作主语]
  Over nine-te ( http: / / www.21cnjy.com )nths of China's inhabitants belong to the Han nationality. 中国十分之九以上的居民是汉族。
  [作宾语]
  They spent one-f ( http: / / www.21cnjy.com )ifth of the money on capital construction. 他们把这笔钱的五分之一用在基本建设上。
  [作介词的宾语]
  They account for one-sixth of the population. 他们占人口的六分之一。
  [作表语]
  The crop that ye ( http: / / www.21cnjy.com )ar was only one-third of the usual amount. 那年的收成只是正常年景的三分之一。
  [作定语]
  It's one-twent ( http: / / www.21cnjy.com )ieth the thickness of a human hair. 它相当于人头发丝的二十分之一那样粗细。
  注意:
  分数修饰名词时,可用下面的方式:
  one-half the distance 一半路程→one-half of the distance 一半路程
  three quarters th ( http: / / www.21cnjy.com )e people 四分之三的人→three quarters of the people 四分之三的人
  [作状语]
  This substance ( http: / / www.21cnjy.com )reacts one-tenth as fast as the other one. 这个物质的反应速度是另一物质的十分之一。
  相关试题解析
  ______of the land in ( http: / / www.21cnjy.com ) that district______covered with trees and grass.(高考题)
  A. Two fifth; is       B. Two fifth; are
  C. Two-fifths; is       D. Two-fifths; are
  【选C】本题考查分数的表示方法与主谓一 ( http: / / www.21cnjy.com )致的原则。的表达方法是:分子2用基数词two,分母5用序数词fifths(因分子大于1,分母中的序数词用复数);“分数、百分数+of+名词”作主语时,谓语动词的数取决于of 后名词的单复数。www-2-1-cnjy-com
E. 小数
(1) 小数点读作point,小数点前面的数字与基数词读法相同,小数点后则只需将数字一一读出。“0”读作zero或nought。如:
  603.09—six hundred and three point zero nine
  0.03—(nought) point nought three或zero point zero three
  7.8—seven point eight
  0.125—(nought) point one two five或zero point one two five
(2) 小数多作定语。如:
  Our grain output is ( http: / / www.21cnjy.com )now 2.4times that of 1980. 我们现在的粮食产量是1980 年的2.4倍。
  Its total output va ( http: / / www.21cnjy.com )lue was up 3.6times in three years. 它的总产值三年增长了3.6倍。
F. 百分数
(1) 百分数用per cent表示,常常和by连用,作状语。如:
  Its output of cotton went up by 20 per cent. 棉花产量增长了20%。
  The price was reduced by 18 per cent. 价格降低了18%。
  Unemployment has increased 1.5per cent. 失业率增加了1.5%。
(2) 作主语、宾语或定语。如:
  [作主语]
  90 per cent of most food is water. 大多数食物的百分之九十都是水分。
  [作宾语]
  The loss of metal has been reduced to less than 20%. 金属损耗减少到20%以下。
  [作定语]
  The March fi ( http: / / www.21cnjy.com )gure for output value registered a 37 per cent increase over February. 三月份的产值比二月份增长37%。
话说量词
  量词是表示数量的词。它不是一种词类,它包含许多不同词类的词和短语。量词大体上包含:
  许多与数量有关的代词和限定词
  各种数词
  名词与of构成的表数量的短语
  某些与数量有关的形容词
  某些与数量有关的名词
  某些与数量有关的合成词
  某些词的所有格
A. 与数量有关的代词和限定词
(1) 有很多作定语的代词和限定词可用来表示数量。如:
  —How many eggs are there in the fridge 冰箱里有多少鸡蛋?
  —There are a few. 有几个。
  I'd like some more chips. 我想再要一些薯条。
  Such programmes on TV attract the fewest viewers. 这种电视节目看的人很少。
(2) 作主语和宾语的代词也可表示数量。如:
  None of this milk can be used. 这牛奶一点都不能用了。
  Not much is happening in our town. 我们城市现在没发生什么事情。
  Most of the population have fled. 大部分的人都逃走了。
  I told him that I had no money left. 我告诉他我的钱都花光了。
B. 由“名词+of”构成的量词
(1) 表数量的量词常用a lot of这类结构。如:
  A great deal of money is spent on research. 研究工作上花了不少钱。
  A great amount of our investments are in property. 我们大量的钱都投资到房地产中了。
  A great (good) many of them couldn't find work. 他们很多人找不到工作。
  He lost a great quantity of blood. 他失血太多。
  Let's have a bit of music. 咱们放一会儿音乐。
(2) 有些量词前面不带冠词a。如:
  Part of the farm lay close to the river bank. 农场有一部分在河岸边。
  The report contains large numbers of inaccuracies. 这项报道有很多不准确之处。
  Several of his bes ( http: / / www.21cnjy.com )t books are about space flight. 他有几本最好的书都是关于太空飞行的。
(3) 表示“少量”的量词。如:
  The petals are covered with little drops of dew. 花瓣上有些细小的露珠。
  She added a touch of sugar. 她加了一点点糖。
  Put in just a dash of pepper. 放一点点胡椒粉。
(4) 一些与形状有关的量词。如:
  A column of smoke appeared above the hill. 小山上升起一股浓烟。
  I will buy you a stick of chocolate. 我去给你买一根巧克力糖。【来源:21cnj*y.co*m】
  A thread of light passed through the crack. 从缝里射进一道细细的亮光。
  Joan sensed a wall of hostility between them. 琼感到他们之间有一堵敌意的墙。
(5) 有些是指人的量词。如:
  A bunch of children surrounded the ice-cream man. 一伙孩子围着卖冰淇淋的人。
  Tyler conducted a company of tourists. 泰勒领着一批旅游的人。【版权所有:21教育】
(6) 指动物或牲畜的量词。如:
  A flock of wild geese flew overhead. 一群大雁从头上飞过。
  A pack of hounds chased the fox. 一群猎犬追逐狐狸。
  A swarm of locusts destroyed the crop. 一窝蝗虫毁坏了庄稼。21*cnjy*com
(7) 表示容器名词的量词。如:
  a basin of water 一盆水     a basket of flowers 一篮花21*cnjy*com
  a bottle of orange juice 一瓶橘汁  a bowl of rice 一碗饭
  a box of biscuits 一盒饼干     a bucket of milk 一桶牛奶
  a glass of milk 一杯牛奶     a jar of jam 一罐果酱
  注意:
  有时,名词后可加词尾-ful表数量。如:
  a spoonful of sugar 一勺糖     a basketful of apples 一篮苹果
  a handful of peanuts 一把花生   a mouthful of wine 一口红酒
  a busful of tourists 一车游览的人  a bagful of sweets 一包糖果
  a cupful of boiled water 一杯开水  a tankful of petrol 一箱汽油
C. 与数量有关的其他词
1. 形容词
(1) 有不少形容词与数量有关。如:
  The sword was about three feet long. 那把剑有三英尺长。
  The layer of rock was ten metres thick. 那层岩石有十米厚。
  How broad is the street (river) 街(河)有多宽?
  The building is nine stories high. 那座楼有九层高。
(2) 其他与数量有关的形容词。如:
  A whole city was destroyed in the earthquake. 一整座城在地震中被摧毁。
  The place was only half a mile from our house. 这地方离我家只有半英里远。
  Allison showed me into a tiny bedroom. 艾莉森让我看了一间极小的卧室。
2. 名词
(1) 有些名词与数量有关。这类名 ( http: / / www.21cnjy.com )词常见的有:ton,inch,foot,yard,mile,millimetre,metre,kilometre,ounce,pound,gram,kilogram,gallon,litre,centimetre,millilitre,degree。如:
  The block of stone weighed up to a hundred tons. 那块巨石有100吨重。
  Reduce the temperature by a few degrees. 把温度降低几度。
  It weighs fifty or more kilos. 它的重量有50或超过50千克。
(2) 有些名词和in连用可 ( http: / / www.21cnjy.com )表数量。这类短语常见的有:in area,in depth,in distance,in height,in length,in size,in thickness,in volume,in weight,in width。如:
  I put on nearly 10 kilos in weight. 我体重几乎增加了10千克。
  They are thirty centimetres in length. 它们的长度有30厘米。
  Albert car ( http: / / www.21cnjy.com )ried a block of ice about one cubic foot in size. 艾伯特拿着一块约一立方英尺大小的冰块。
(3) 有些合成词可表数量。如:
  I pay him four per cent interest. 我付给他百分之四的利息。
  Brent works a 44-hour week. 布伦特每周工作44小时。
(4) 名词的所有格也可表数量。如:
  Jamie's already had nine months' experience. 杰米已经有了九个月的经验。
  April's on a year's leave from Hunter College. 亨特学院给了阿普里尔一年的假期。
  Carl had asked for half a day's leave. 卡尔请了半天假。
(5) 某些词组也可表示数量。如:
  This happened four and a half centuries ago. 这是四个半世纪前发生的事。
  Lake Nyasa is 450 mi ( http: / / www.21cnjy.com )les long by about 50 miles wide. 尼亚萨湖450英里长,约50英里宽。
  The box me ( http: / / www.21cnjy.com )asures approximately 26 inches wide×25 inches deep×16 inches high. 这个箱子大约26英寸宽,25英寸深,16英寸高。
学以致用
【基础练习】
1.选择最佳答案填空。
(1) That is______.
A. a five-pound note     B. a five-pounds note  
C. a five-pound-note     D. a five pound-note
(2) The boy is______.
  A. 1.5metre tall       B. 1.5metres tall  
  C. 1.5metre high      D. 1.5metres high
(3) At the end of the first half we were winning______.【出处:21教育名师】
  A. two first   B. two from one C. two to one   D. second to first
(4) Our bags are too ( http: / / www.21cnjy.com ) heavy to carry. There are______books in each of them.
  A. two tens  B. tens of     C. a ten     D. a-ten21教育名师原创作品
(5) The girl practices playing the piano______a day.
  A. twice    B. two time   C. two     D. second
(6) That's Lily's______pen.
  A. the second B. second the   C. second     D. two
(7) Today is April______.
  A. 21th    B. a 21th     C. 21st      D. a 21st
(8) Do you want to buy______pork
  A. half kilo   B. half a kilo   C. a kilo half   D. a half kilo
(9) The river is more than______.
  A. twenty metre wide     B. twenty metres wide
  C. twenty metre of wide     D. wide of twenty metre
(10) Three books are for______.
  A. we three   B. three we   C. us three   D. three us
2. 完成下面句子的英语翻译,每空一词。
(1) 开始我觉得有点难。
  I found it a bit difficult______.
(2) 三分之二的钱用于买书。
  ______the money______for books.
(3) 这些中哪个是第二有用的发明?
  Which of these is____________invention
(4) 在20世纪初,中国很贫穷。
  ____________century, China was very poor.
(5) 跳高比赛的第二名是谁?
  Who was______the high jump
3.根据汉语提示,用适当的词语填空,完成下面的短文。
  Zhao Ming is a(1) ( http: / / www.21cnjy.com )______(13岁) boy. Yesterday was his(2)______(13岁的) birthday. He wanted to have a birthday party. But his father, a driver of(3)______(40岁), is working in Beijing with his mother. He called Zhao Ming, “Your mother and I are so far from you. We can't go home for your party. Why not have a party(4)_____(每隔一年) ” Zhao Ming's classmate, Li Feng, bought him a big cake. It was(5)______(几英寸高) and(6)_____(两倍大) a ball. It cost him(7)______(50元). They also bought Zhao Ming(8)_____(一个二手的) mobile phone so that he could keep touch with his parents.
  Zhao Ming was very happy.
【能力提升】
1. 选择最佳答案填空。
(1) ______peo ( http: / / www.21cnjy.com )ple in the world are sending information by e-mail every day.
  A. Several million B. Many millions  
  C. Several millions       D. Many million
(2) He did it______it took me.
  A. one-third a time       B. one-third time  
  C. the one-third time     D. one-third the time
(3) Paper pro ( http: / / www.21cnjy.com )duced every year is______the world's production of vehicles.
  A. the three times weight of    B. three times the weight of  
  C. as three times heavy as     D. three times as heavier as
(4) Shortly after ( http: / / www.21cnjy.com ) the accident, two______police were sent to the spot to keep order.
  A. dozens of B. dozens   C. dozen of   D. dozen
(5) After the new te ( http: / / www.21cnjy.com )chnique was introduced, the factory produced______tractors in 1988 as the year before.
  A. as twice many   B. as many twice  
  C. twice as many   D. twice many as
(6) China is______larger than the United States.
  A. one six   B. one sixth   C. one sixes   D. one sixths.
(7) We always keep______spare paper, in case we run out.
  A. too much B. a number of  C. plenty of   D. a good many
(8) She went to the book store and bought______.
  A. dozen books   B. dozen of books  
  C. dozens books   D. dozens of books
(9) It took us quite ( http: / / www.21cnjy.com ) a long time to get there. It was______journey.
  A. three hour  B. a three hour  C. a three-hour  D. three hours
(10) He feels r ( http: / / www.21cnjy.com )elaxed and even begins to whistle because______of the dis-tance______covered.
  A. three fifth; were       B. three-fifths; has been  
  C. three-fifth; was       D. three-fifths; have been21教育网
(11) —When did Tom finally get to the theatre
   —Just before the end of______.
  A. the act of second     B. act second    
  C. Act Two       D. the act two
(12) —Did you buy anything at the clothing sale
   —Yes, I bought three______ties for just twelve dollars.
A. five-dollar B. fives-dollar  
C. five-dollars   D. fives-dollars
(13) —Does it matter if I give up the exam this time
   —It does if you do. You won't have______chance.
  A. the second B. the other   C. a second   D. the others
(14) Everything is not in good order but______.
  A. at six and seven       B. at sixes and sevens  
  C. sixes and sevens       D. on sixes of sevens
(15) The Browns have spent a large______of money on their new car.
  A. amount   B. many    C. piece    D. sum
2. 阅读短文,写出括号内所缺的词语
  Have you ev ( http: / / www.21cnjy.com )er seen (1)______(一个) chimpanzee (黑猩猩) in a zoo If not, better run and see one. Why Because they're in danger and there may soon be none left.
  Chimpanzees w ( http: / / www.21cnjy.com )ere once found in (2)______(许多) African countries. But, a United Nations report said last week that they are disappearing from some countries fast.
  In Senegal, ( http: / / www.21cnjy.com ) for example, there are only (3)______(二百) left. There used to be(4)______(几千). Chimpanzees are also in danger in other parts of the world.
  Chimpanzees are a ( http: / / www.21cnjy.com ) kind of great ape. There are three other kinds of great ape: gorillas, gibbons and orangutans, which are all in danger.
  There are about ( http: / / www.21cnjy.com )(5)______(四十万) great apes in the world. “They all face extinction, some soon, other within (6)______(五十五年),” says Klaus Toepfer, head of the UN Environment Programme.
  “Over (7)______(百分之九 ( http: / / www.21cnjy.com )十六) of a great ape's DNA is like ours. If we lose them, we will destroy a part of ourselves,” says Klaus.
  Why are chi ( http: / / www.21cnjy.com )mpanzees in danger and how can we save them That's because of humans. We are killing them and destroying the forests where they live. According to the UN report, (8)______(数以千计的) chimpanzees die each year because of humans. Some people kill them for money. But (9)______(三分之二) of them die after humans cut down the forests where they live, which means great apes have no place to live and no food to eat.
  Last week, s ( http: / / www.21cnjy.com )cientists from (10)______(四分之三的) the countries of the world met in Paris, France, and made a report telling countries how to protect apes.
参考答案
【基础练习】
1. (1)A (2)B (3)C (4)B (5)A (6)C (7)C (8)B (9)B (10)C
2. (1)at first (2)Two thirds of, is used  (3)the second most useful
  (4)At the beginning of the twentieth  (5)second ofwww.21-cn-jy.com
3. (1)thirteen-y ( http: / / www.21cnjy.com )ear-old (2)thirteenth (3)40 / forty   (4)every second year
  (5)a few inches hi ( http: / / www.21cnjy.com )gh (6)twice as big as (7)fifty yuan (8)a second-hand
【能力提升】
1. (1)A (2)D (3)B (4)D (5)C (6)B (7)C (8)D (9)C (10)B
  (11)C (12)A (13)C (14)B   (15)A
2. (1)a / one ( http: / / www.21cnjy.com )(2)many / a great many (3)two hundred (4)several/a few thousand
  (5)four hundred th ( http: / / www.21cnjy.com )ousand (6)fifty-five years (7)ninety-six per cent
  (8)thousands of (9)two-thirds (10)three-fourths / quarters of  
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