最新初中英语语法知识—数词的知识点(2)
一、选择题
1．In China, about ___________ of people live in the country.
A．three fifth B．third fifth
C．three fifths D．three fives
2．—I hear ________ foreign students will come to our school this year.
—Right. They are the ______ exchange students.
A．nine; nine B．nineth; nine C．nine; ninth D．nine; nineth 3．—______________ do you read English newspaper?
—At least ______________ a week.
A．How long；one B．How often；twice
C．How many；once D．How much；third
4．The shoe factory is only about ______ walk from our school.
A．half an hour’s B．half and an hour’s C．half an hours’5．—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, seven
6．---I am going to take this summer holiday in Taiwan.
---Oh, really? Taiwan is ______ a beautiful island that ______ people in Guangdong go to visit it every year.
A．so; thousands B．so; thousands of
C．such; many thousand D．such; thousands of
7．Next Friday is my daughter’s birthday. So I will buy her a cake with candles. A．five; fifth B．twelfth; twelve C．nineth; nine
8．We can see _________stars in the sky at night in the countryside.
A．million of B．three millions of C．millions of D．three million of 9．I’ve told him of that ______, but he a lways forget it.
A．a hundred time B．hundred times
C．hundred of times D．hundreds of times
10．This is our _______ school year, we are going to graduate in two months.
A．third B．three C．the third
11．I didn’t know Miss Yang was years old until she told me about that.
A．fifty B．fifties C．fiftieth
12．Nearly ________of the American children get money from their part-time job.
A．two third B．two three C．two thirds D．second third
13．________ runners took part in the half marathon(半程马拉松) in Haikou in April. A．Hundred B．Hundreds C．Hundreds of
14．________ of the students’ parents in our class are in their .
A．Two-fifths； forties B．Two-fifths； fortieth
C．Two-fifth； forties D．Two-fifth； fortieth
15．--- Which is the biggest number of the four?
--- ______.
A．One third B．A half C．Two thirds D．A quarter
16．Li Ming is an active boy student and he always tries his best to make his life colorful though he is in Grade 9. The table below shows that he spends ________ minutes on after-class activities every week.
A．250 B．850 C．600
17．There are about people in the village.
A．eight hundred B．eight hundreds
C．eight hundred of D．eight hundreds of
18．Jim failed twice, but he wanted to have __________ try．
A．a second B．a third C．the second D．the third
19．_________ people attending the meeting is 2975 and about _________ are women．A．A number of , one fourth B．The number of, one fourth
C．A number of, one fourths D．The number of, one fourths
20．My grandparents live in an old apartment with floors and they are on the floor. A．fifth; three B．fifth; third C．five; three D．five;: third 21．visitors came to take photos of Hongyadong during the vacation.
A．Thousand B．Thousand of C．Thousands D．Thousands of 22．There are ________ people in the supermarket. It's so crowded.
A．hundred B．hundreds C．hundred of D．hundreds of 23．Two ____ students ____ to the opening ceremony last Friday.
A．hundreds; were invited B．hundred; were invited
C．hundreds of ; invited D．hundred of; invited
24．Two________foreign visitors________to the opening ceremony last Saturday. A．hundred; were invited B．hundred; had been invited
C．hundreds of; are invited D．hundreds of; have been invited
25．---If your parents wanted to have a ______ child, would you agree?
---Of course. But they should make it in _____ yeas’ time.
A．second; second B．two; two C．second; two D．two;second
【参考答案】***试卷处理标记，请不要删除
一、选择题
1．C
解析：C
【解析】
句意：在中国，约五分之三的人生活在农村。分数表达法，基数词做分子，序数词做分母，当分子超过一时，序数词（分母）要用复数（+s）；例如，五分之一：one fifth；五分之三：three fifths；结合句意和语境可知选C。
2．C
解析：C
【解析】
句意：——我听说今年九名外国学生将来我们的学校。——对。他们是第九批交换生。第一空表示九名学生，故用基数词nine。第二空根据定冠词the，表示第九批交换生，故用序数词ninth，故选C。
3．B
解析：B
【解析】
句意：——你多久读一次英语报纸？——至少一周两次。How long多久，多长时间，询问时间段，是提问for+一段时间；How often多久一次，多长时间一次，提问频度；How many多少，询问可数名词的数量，提问可数名词的复数；How much多少，询问不可数名词的数量，提问不可数名词，根据题意，故选B。
4．A
解析：A
【解析】
句意：鞋厂离我们的学校仅仅半个小时的时间。half an hour半个小时；表示时间的所有格在最后的词后加’s，故选A。
5．D
解析：D
【解析】
试题分析：句意：---你什么时候开始收集邮票的？---当我七岁大的时候收集了第一张邮票。此题考查数词基数词和序数词，根据句意，故选D。
考点：考查数词。
6．D
解析：D
【解析】
试题分析：句意：――今年暑假我要去台湾度假。――哦，真的吗？台湾是如此美丽的一
个岛以致于每年数千广东人去参观。如此……以致于……：so…that…或such…that…：so后跟形容词/副词；such后跟名词短语。a beautiful island是一个名词短语，前用such。hundred, thousand, million, billion 前面有数词时，本身用单数，后不跟介词of；后有of时，前不加数词，本身用复数。故，本题选D。
考点：考查副词及数词用法辨析。
7．B
解析：B
【解析】
句意：下周五是我女儿十二岁生日。所以我将给她买一个蛋糕，带有十二根蜡烛。five
五，是基数词；fifth第五，是序数词；twelfth第十二，是序数词；twelve十二，是基数词；nineth的正确形式是ninth，第九，是序数词；nine九，是基数词。第一空修饰birthday表示第几个生日，故用序数词。第二空修饰复数名词candles，故用基数词，故选B。
8．C
解析：C
【解析】
句意：在乡村我们可以在晚上看见空中无数的星星。million“百万”，与数词连用，表示具
体数时，不加s；与of连用时，表示约数，后面加s。例如three million三百万；millions of 无数的，成千上万的。故选C。
9．D
解析：D
【解析】
句意：我已经告诉他好几百次了，但是他总是忘记。根据hundred百，前面有数量词时，不用复数，后面有of时，要用复数，表示成百上千；time次，可数名词；故选D
点睛：hundred/thousand/million/billion等表示单位数量词，当它们前有数量词时，不用复数，例如：two hundred 200百；后面有of时，要用复数，例如：thousands of成千上万。10．A
解析：A
【解析】句意：这是我们的第三学年，我们将在两个月后毕业。考查数词辨析题。基数词（one除外）后面接复数名词，school year是单数形式，可排除B。序数词需用定冠词the 修饰，但是当序数词前面有代词或其他词修饰，则不用冠词。根据句意结构，可知选A。11．A
解析：A
【解析】
句意：直到杨小姐告诉我那件事，我才知道她五十岁。考查数词辨析。英语中一般直接用
基数词表示年龄，不用序数词，可排除C项。用“基数词+ years old”表示年龄时，注意years是复数形式，而“基数词—year—old”相当于形容词，year用单数形式。根据句意语境，可知选A。
12．C
解析：C
【解析】句意：近三分之二的美国孩子从兼职工作中得到钱。分数是由基数词和序数词一起来表示的。基数词作分子，序数词作分母，除了分子是“1”以外，其它情况下序数词都要用复数形式。故答案为C。
13．C
解析：C
【解析】
【分析】
【详解】
句意：今年4月，数百名跑步者参加了在海口举行的半程马拉松。A. Hundred百；B. Hundreds百，复数；C. Hundreds of表示百万的……，表示约数。根据题意可知这里表示约数。根据题意，故选C。
14．A
解析：A
【解析】
【分析】
【详解】
句意：我们班五分之二的学生家长在四十多岁。
考查分数的表达。分数的表达：分子用基数词，分母用序数词，分子大于1，分母用复数。五分之二应该是two-fifths，故排除CD；在某人几十岁时：in one’s +整十的复数形式。in one’s forties在四十多岁。故选A。
15．C
解析：C
【解析】
【详解】
句意：这四个数中哪一个最大？——三分之二。考查分数的表达法。在英语中分数的表达法为：分子用基数词，分母用序数词，当分子大于一时，分母用复数形式；A. One third三分之一；B. A half一半、二分之一；C. Two thirds三分之二；D. A quarter四分之一。四个数相比较，可知三分之二最大，故答案选C。
16．A
解析：A
【解析】
【分析】
【详解】
句意“李明是一个活泼的男学生。尽管他上9年级了，但是他总是尽他最大的努力使他的生活丰富多彩。下面的表格显示，他每周花费250分钟在课外活动上”。根据表格可知，他工作日总共花费50分钟读书、100分钟骑车。在周末，他每天花费20分钟跑步、30分钟打球。所以50+100+20*2+30*2=250，所以他每周花费250分钟在课外活动上，故选A。17．A
解析：A
【解析】
【分析】
【详解】
句意：村子里大约有八百人。考查数词用法。eight hundred八百；eight hundreds形式错误，hundred 百，与基数词搭配时，不用复数；eight hundred of和 eight hundreds of形式错误，hundred后跟of 时，应用复数，前面不能用基数词；由此可知排除B、C、D选项；故答案选A。
【点睛】
当hundred/ thousand/million等词前有确切数字时，其后不加“s”，而且不和of连用，直接修饰名词复数形式；当hundred/ thousand/million等词前无确切数字时，其后要加“s”，而且和of连用，表示不确切的数目。本题中根据选项可知hundred前面有具体数字eight，可知其后不加s也不加of；故答案选A。
18．B
解析：B
【解析】
【详解】
句意：吉姆失败了两次，但是他想再试一次。考查序数词用法。A. a second再一B. a third 又一次 C. the second 第二D. the third第三。a +序数词是在前面数字的基础上再出现，而the序数词单指第几个。吉姆失败了两次，再一次用a third。故选B。
19．B
解析：B
【解析】
【详解】
句意：参加会议的人数是2975，大约四分之一是女性。A number of是大量、很多的意思，后接可数名词复数或代词，谓语动词用复数形式。The number of意思是……的数字/数目，介词of同其后名词构成介词短语，修饰the number，当它作主语时，谓语动词用单数。根据谓语is可知第一个空用The number of。分数的表示是分子在前、分母在后。分子以基数（one， two， three）表示，分母以序数（first， second， third）等表示。分子超过1时，分母必须加上-s。所以第二个空填one fourth。故选B。
20．D
解析：D
【解析】
【分析】
【详解】
句意“我的祖父母住在有5层楼的旧的公寓里，他们住在三楼”。第一空处根据空后floors，复数可知，用基数词five，排除A和B；第二空处根据空前the以及空后floor可知，译为“第三层”，用序数词，故选D。
21．D
解析：D
【解析】
【分析】
【详解】
句意：成千上万的游客在度假期间来Hongyadong拍照。考查数词的用法。thousand前有具体数字时，用单数形式；如果没有具体数字时，用复数形式和of连用。结合本题语境，假期来Hongyadong参观的人肯定是指约数，意为成千上万的，所以根据以上分析应表达为thousands of表示成千上万的、数以千计的；故答案选D。
【点睛】
当hundred/ thousand/million等词前有确切数字时，其后不加“s”，而且不和of连用，直接修饰名词复数形式；当hundred/ thousand/million等词前无确切数字时，其后要加“s”，而且和of连用，表示不确切的数目。根据 visitors came to take photos of Hongyadong during the vacation.可知，本题空格前面无确切数字，所以其后要加“s”,而且与of连用，结合选项，故答案选D。
22．D
解析：D
【解析】
【分析】
【详解】
句意“在超市里有成百上千的人，太拥挤了”。hundred与具体数词连用时，hundred不加s，若hundred与of连用时，必须加s，且数词不与of连用，故选D
23．B
解析：B
【解析】
试题分析：句意：上周五邀请了两百学生参加开业庆典。表示实指时，hundred, thousand，million用单数，后面不跟介词of；表示虚指时，hundred, thousand，million用复数，前不加数词，后跟介词of。本句表示实指：两百。主语students是谓语动作invite 的承受者，句子用被动语态。故选B。
【考点定位】考查数词辨析及动词的语态。
24．A
解析：A
【解析】
句意：上星期六有二百个外国游客被邀请参加开幕式。当hundred前面有具体数字时，不用复数，也不与of连用，主语foreign visitors是动作invite(邀请)的承受者，因此用被动语
态，表示被邀请，根据last Saturday判断，被动语态要用一般过去时，故答案为A。
点睛：hundred的用法：1.具体数字用法（也就是基数词，此时是hundred是不能加s 的），后面必须接名词复数。如：one hundred books; three hundred books 2. 非具体数字用法（此时hundred常写成hundreds of），后面也是接名词复数。hundreds of students; many hundreds of students; several hundreds of students 类似的用法还有thousand, million, billion
三个词。
25．C
解析：C
【解析】
句意：-------如果你的父母想要再生一个孩子，你同意吗？--------当然同意。但是他们应该在两年后会做到的。考查数词的用法。second第二，是序数词；two二，是基数词；a +序数词，表示＂再，又＂，故第一空为序数词second。第二空修饰复数名词years，故此处用数词two。故选C。
初中英语数词专项
数词讲解专项练习 1 数词的讲解 一、定义：表示数目或顺序 二、分类：分为基数词和序数词两种。表示数目或数量多少的词叫基数词；表示数目顺序的词叫序数词。 三、基数词的构成： 1）1-12的基数词是独立的单词，即：one ，two ，three ，four ，five ，six ，seven ，eight ，nine ，ten ，eleven ，twelve 。 2）13-19的基数词以-teen 结尾。如：fourteen ，seventeen 等，但13，15，18较特殊，13—thirteen, 15—fifteen, 18—eighteen 。 3）20-90的整十位均以-ty 结尾。如：sixty ，ninety ，但20，30，40，50，80较特殊，20—twenty, 30—thirty, 40—forty, 50—fifty, 80—eighty 。 4）十位数与个位数之间要加连字符号"-" ，如：28-twenty-eight ，96-ninety-six 。 5）百位和十位（若无十位则和个位）之间加and ，如： 148—one hundred and forty-eight 406—four hundred and six 6）hundred （百），thousand （千），million （百万），billion （十亿）等前面即使有具体的数词，several, some, many也不能在它们的后面加-s 。如：six hundred，eight million。如果表示不确定数目时，用hundreds of /thousands of /millions of /billions of +名词复数, 前面不能再加数字。 7）1000以上的数字，从后往前数每三位加一个逗号" ，" 第一个逗号前为千（thousand ），第二个逗号前为百万（million ），第三个逗号前为billion （十亿）。英语中无“万”这个词，我们可以用" 几十个千（thousand ）" 表示几万，" 几百个千（thousand ）" 表示" 几十万" 。如：2，510＝two thousand five hundred and ten 84，296＝eighty-four thousand two hundred and ninety-six 274，350＝two hundred and seventy-four thousand three hundred and fifty。 四、序数词的构成： 1）序数词一般是以与之相应的基数词尾加-th 构成，如：fourth, tenth, 但以下的这些基数词变为序数词时，有特别之处。 One —first, two —second, three —third, five—fifth, nine —ninth, twelve —twelfth 2）以_ty 结尾的单词，要先变y 为i, 在加-eth. 。如：thirty —thirtieth, fifty—fiftieth 3）以one, two, three 等结尾的多位数词，要将个位数变成序数词。如： twenty-one —twenty-first, one hundred and one—one hundred and first 注意：序数词前常用定冠词，有时还可以用不定冠词a/an 则表示" 又一" 的意思。（没有具体范围的限制）如： Mr. Brown has a second car. 布朗先生另外还有一辆车。 He has tried a second time. 他又尝试了一次。 五、数词的应用 1)时刻的表示:小时、点钟、分钟、秒钟要用基数词。 ①“几点钟”用基数词加o'clock 。o'clock 可省略。如:5点钟-five (o'clock ) ②“几点过几 分” , ≤30分钟" 用介词past 。如: 7:15— fifteen/ a quarter past seven 7:30— half past seven
初中英语语法数词详解(打印版)讲课讲稿
数词 . 1．基数词 （1）基数词的具体形式如下： A．从1——10 one，two，three，four，five，six，seven，eight，nine，ten． B．从11——19 eleven，twelve，thirteen，fourteen，fifteen，sixteen，seventeen，eighteen，nineteen. 注：标记为蓝色的单词特殊记忆，其他的词都是由其个位数形式后添加后缀-teen 构成。 C．从21——99 整数几十中除twenty，thirty, forty，fifty，eighty为特殊形式外，sixty，seventy，ninety都是其个位数形式后添加后缀-ty构成。表示几十几时，在几十和个位基数词形式之间添加连字符“-” 21 twenty-one 76 seventy-six D．百位数 个数基数词形式加“hundred”，表示几百，在几十几与百位间加上and． 101 a hundred and one 320 three hundred and twenty 648 six hundred and forty-eight E．千位数以上 “，”前 的数字后添加thousand（千），第二个“，”前面的数字后添加million（百万），第三个“，”前的数字后添加billion（十亿）。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。 2,648 two thousand six hundred and forty-eight 16,250,064 sixteen million two hundred and fifty thousand sixty-four 5,237,166,234 five billion，two hundred and thirty-seven million，one hundred and sixty-six thousand，two hundred and thirty-four（注：只有百跟十之间才有and） （2）基数词的用法 A．基数词在表示确切的数字时，不能使用百、千、百万、十亿的复数形式；但是，当基数词表示不确切数字，如成百、成千上万，三三两两时，基数词则以复数形式出现。 There are hundreds of people in the hall． 大厅里有数以百计的人。 Thousands and thousands of people come to visit the Museum of Qin Terra-Cotta Warriors and Horses every day． 每天有成千上万的人来参观秦兵马涌博物馆。
新初中英语语法知识—数词的知识点训练(1)
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【英语】初中英语数词专题训练答案
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初中英语语法知识—数词的经典测试题(4)
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初中英语语法专项练习题之数词 1. 1). There are ___ days in a year. A. three hundreds sixty-five B. three hundreds and sixty-five C. three hundred and sixty-five D. three hundred and sixty five 2). There are____ students in this school. A. eight hundreds and forty-six B. eight hundred and forty six C. eight hundred and forty-six D. eight hundred forty-six 2. 1).______people visit this museum every day. A. Hundred B. Hundreds C. Hundred of D. Hundreds of 2).There are two___ people in the meeting room. A. hundred B. hundreds C. hundreds of D. hundred o 3). Every year ___ watch NBA on TV. A. million people B. millions of people C. millions people D. million of people 4). ____ trees have been planted in our school in the past 10 years. A. Thousands of B. Two thousands C. Thousand of D. Two thousand of 5). Look! There are ___ in the sky. A. thousand stars B. thousand of stars C. thousands of stars D. thousands of star 3. 1). My brother is in____.
新初中英语语法知识—数词的知识点训练及答案
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初中英语数词专项练习
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初中英语知识点总结数词知识点总结
初中英语知识点总结数词知识点总结 初中英语知识点总结:数词知识点总结数词分为基数词与序数词两类，表示数量多少得数词就是基数词,如ｏne(一），ｔwo（二），sｅｖen(七)等，表示顺序次第得数词叫序数词，如the fｉrsｔ（第一),the secoｎd(第二），the ｓeventh(第七). 在对数词进行复习得时候,同学们首先要会读会写所有基数词与序数词,以及与数词有关得时间表达法。对数词得考查，中考常采用单选题及听力题. （一)、序数词一般由基数词加th 构成 (二)、序数词得构成及用法： １、以下几个序数词较为特殊： fｉrst(第一)ｓeｃonｄ（第二)ｔhirｄ(第三)fiftｈ（第五) ｅiｇhth（第八）ｎｉｎｔh(第九)twelｆｔh（第十二） 2、以tｙ结尾得基数词变为序数词得构成方法就是：先将十位整数得基数词尾得-ｔｙ变成-tｉ，然后再加eｔh、 如：ｔｗenty twentiｅth（第二十) eigｈtｙeｉghtｉｅth（第八十） ３、基数词几十几变成序数词时,仅将个位数变成序数词，十位不变。 如：thirtytwo ｔｈirｔysecｏｎｄ(第三十二) sevenｔy－fｉve sｅveｎty-fifｔh（第七十五） 4、序数词得缩写形式，在阿拉伯数字后加上序数词得最后两个字母构成。 如：fifｔh ５th ｓecond ２nd 5、序数词前通常要用定冠词the。
６、ｈｕndｒed,thｏusand，ｍillioｎ,biｌｌion 等词在构成具体得数字时用单数形式。只有在表达笼统得多数时才加s，构成复数形式,前面不能加具体得数字。 如：three hundｒed seａts 三百个座位 ｈundｒedｓｏf 数以百计得,成百上千得thouｓａnds of 数以千计得，成千上万得 ｍillｉoｎｓｏf 数百万得billｉｏns ｏf 数十亿得 （三)与数词有关得时间表达法： 1、钟点表示法: ①顺读法 如：1:１5 one fｉfteen 3：30 thｒee ｔhｉrty ②倒读法(用pａsｔ/ｔｏ表示） 如:１:１5 ａｑuａｒｔer pａst one ３:30 half ｐａst threｅ 7：５6 ｆoｕr to eight ③表示钟点只用基数词,并且钟点前用介词at. 2、日期表示法： ①英语中日期得排列顺序就是：星期、月、日、年 如：20１６年3 月１7 日,星期一 Moｎday，Marcｈｔhe 17th，2０16、 ②在具体某一天前用介词oｎ 3、世纪、年代表示法
初中英语数词专项训练100(附答案)
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(完整word版)初中英语数词用法总结,推荐文档
英语------数词 ▲掌握分数、时间、日期的表达法。 【复习要点】 （一）基数词 1 one 11 eleven 100 a hundred 2 two 12 twelve 20 twenty 1000 a thousand 3 three 13 thirteen 30 thirty 1，000，000 a million 4 four 14 fourteen 40 forty 10，000，000 ten million 5 five 15 fifteen 50 fifty 100，000，000 a hundred million 6 six 16 sixteen 60 sixty 1，000，000，000 a billion 7 seven 17 seventeen 70 seventy 8 eight 18 eighteen 80 eighty 9 nine 19 nineteen 90 ninety 10 ten 说明： 1．13—19是由个位数加后缀-teen构成。注意其中13、15的拼写是thirteen和fifteen。2．20—90由个位数加后缀-ty构成，注意其中20—50的拼写分别是twenty, thirty, forty 和fifty;80的拼写是eighty。 3．其它非整十的两位数21—99是由整十位数加连字符“-”，再加个位数构成。如：81 eighty-one。 4．101—999的基数词先写百位数，后加and再写十位数和个位数。如：691 six hundred and ninety-one。 5．1000以上的基数词先写千位数，后写百位数，再加and，最后写十位数和个位数。 如：5893 five thousand eight hundred and ninety-three。在基数词中只有表示“百”、“千”的单位词，没有单独表示“万”、“亿”的单位词，而是用thousand（千）和million（百万）来表达，其换算关系为：1万=10 thousand;1亿=100 million; 10亿=a thousand million=a billion。6．多位数的读法： 1）1000以上的多位数，要使用计数间隔或逗号“，”。即从个位起，每隔三位加一个间隔或逗号。第一个间隔或逗号前是thousand（千），第二个间隔或逗号前是million（百万），第三个间隔或逗号前是a thousand million或a billion(十亿)。 2）每隔三位分段以后就都成了101—999。读的时候十位数（或个位数）的前面一般要加and。如： 888，000，000读作：eight hundred and eighty-eight million。 基数词的用法： 1. 基数词在句中的作用 基数词的作用相当于名词和形容词，在句中可作定语、主语、宾语（介宾）、表语、同
初中英语数词
初中英语数词 讲解 数词分为基数词和序数词两种。表示数目或数量多少的词叫基数词；表示数目顺序的词叫序数词。 一、基数词 1.基数词就注意以下几点： （1）几十几的基数词的十位数与个位数之间要用连字符“-”连接。如： eighty-five 85 twenty-six 26 （2）三位数的基数词须在百位和十位（若无十位则和个位）之间用and连接。如：three hundred and sixty-five 365 two hundred and six 206 （3）基数词的复数形式。当基数词hundred，thousand，million，billion等词前有详尽数词或several修饰时，必须用单数。如： several hundred year“s ago几百年前 two thousand students两千个学生 2.基数词的分外用法： （1）表示“几十年代”或“几十岁”时，用逢十的基数词的复数形式。如：in the 1990“s 20世纪90年代 i n one“s twenties在某人20多岁时 （2）用在习语中。如： in twos and threes三三两两地
二、序数词 序数词应注意的几点事项： 1.多位数的基数词变成序数词时，只需将末位基数词变成序数词，前边的基数词不变。 如： forty-two 42 forty-second第42 nine-hundred 900 nine-hundredth第900 2.当序数词用阿拉伯数字表示时，必须在数字后加上序数词的最后两个字母。如：21st第21 32nd第32 3.序数词前大凡要用定冠词the，如果序数词前用a或an时，则表示“又一；再一”（没有详尽范围的限制）。如： Though he had failed twice，he wanted to try a third time. 尽管他已失败了两次，他还想再试一次。 The little monkey had had three apples，and he wanted to eat a fourth one.那只小猴子已经吃了3个苹果，他还想再吃一个。 三、分数和百分数 1.分数 （1）分数的分子用基数词，分母用序数词。如： one fifth五分之一 one tenth十分之一 （2）当分子大于1时，分母用序数词的复数。如：
初中英语语法知识—数词的真题汇编及解析(4)
一、选择题 1．— They will need __________ volunteers for 2014 International Horticulture Exposition (国际园艺博览会) in Qingdao. —Let’s go and join them. A．thousand of B．thousands of C．three thousand of D．three thousands 2．About _____________ of the students this year were born in the 1990s. A．three five B．three fifths C．third fifths D．third fifth 3．The year “1999” should be read “The year_______.” A．nineteen and ninety-nine B．nineteen ninety-nine C．one thousand nine hundred ninety-nine D．nineteen hundred and ninety-nine 4．—How much is the computer? —About three yuan. A．thousand B．thousands of C．thousands 5．—I hear ________ foreign students will come to our school this year. —Right. They are the ______ exchange students. A．nine; nine B．nineth; nine C．nine; ninth D．nine; nineth 6．The old man began to learn to drive a car at the age of _______． A．sixty B．the sixtieth C．sixty years old D．sixties 7．—Zhapo has a really beautiful beach, doesn't it? —Yes, ________ travelers like to come here for a visit. A．thousands of B．thousand of C．thousand D．three thousands 8．—How do your students improve their English writing? —Well, about ______________ of the students like keeping diaries in English in our class. A．two fifth B．two fifths C．second five D．two five 9．The shoe factory is only about ______ walk from our school. A．half an hour’s B．half and an hour’s C．half an hours’ 10．--Many young people came to Zhongshan in ______．When did he come to Shenzhen？ ---When he is an ______ boy，he came here with his parents． A．1980s； eight years old B．1980s； eight-year-old C．the 1980s； eight-year-old D．the 1980s； eight-years-old 11．This is my ________ time visit to America. I have never been there before. A．one B．two C．first D．second 12．There are ____ floors in this building, and my flat is on the ____ floor. A．ten; five B．tenth; five C．tenth; fifth D．ten; fifth 13．Sally, this is ___ time you’ve asked me about that matter. What’s wrong with you?