1、英语数词易错知识点综合训练初英语数词易错知识点综合训练(初)知识定位数词在中考中考点比较少,难度也不大,主要考察基数词序数词转换。在单选和完形填空中会也经常出现。特别是对年月日以及世纪的表达方法,以及“又一,再一”等词的表达方法。特别是数词中的序数词,在表示小数、半、等时的用法,非常容易混淆。知识梳理(一) 定义表示人或物的数目多少或顺序先后的词称为数词。前者为基数词,后者为序数词。(二) 基数词1. 读法规则和写法 2199 的 2 位数,在十位数和个位数之间加连字符构成。101999 的 3 位数由 hundred 加 and 再加二位数或末尾数。34 (thirty-four) 802
2、(eight hundred and two) 654 (six hundred and fifty-four)35,119,326 (thirty-five million, one hundred and nineteen thousand, three hundred and twenty-six)2. dozen 表示一打,12 个 Score 20 个用法 two/ several/ many dozen pencils 或 a dozen (score) of people3.表示“在几十年代”用“in the +逢十的数词的复数”In the 1900s in the 90s i
3、n the nineties(三) 序数词1) 一般序数词由基数词后加-th 构成,前面一般加定冠词 the。 The eighteenth2) 以 y 结尾的基数词构成序数词,去 y+ith the twentieth the fiftieth3) 不规则序数词 first second third fifth eighth ninth twelfth4) 两位或两位数以上的数词,只需把最后一个英文数词变成序数词。第 32 thirty-second 第 160 one hundred and sixtieth 第 875 eight hundred and seventy-fifth(四)
4、 分数,小数百分比的表达1)分子用基数词,分母用序数词,分子超过一,分母加 s。One(a)third 1/3 two thirds 2/32)小数点读 point;零读 zero;小数点后的数字按个位基数词依次读出。0.96 (zero point nine six)3)百分数由 percent 表示,如 55% fifty-five percent(五) 日期年份的表达“年”用基数词,先读前两位,再读后两位数,“日”用序数词,前加 the.。如 1997 年 7 月 1 日 写成 July 1,1997, 都成 July the first nineteen-seven.(六) 时间和钟点
5、时间用基数词表示。几点过几分,若分钟不超过 30 分,用介词 past;若超过 30 分钟,则用介词 to,表示差几分到几点。也可以用基数词直接读出几点几分。例如:8:20 Its twenty past eight. 或 Its eight twenty. 4:50 Its ten to five.或者 Its four fifty.例题精讲【试题来源】【题目】The old professor still works hard though he is _.【选项】A. in his sixty B. in his sixties C. in sixties D. in the sixty
6、 【答案】B【解析】表示在某人多少岁的时候 in sbs (twenties/thirties.)这种表达适用于不知道对 方具体年龄而只知道大致年龄段的时候,所以后面跟的数词必须是几十几十的而且要用复数形式。 如果再具体一点还可以说 in his early/middle/late sixties 在他六十出头/六十五六岁/快七十岁的时候。【知识点】数词易错知识点综合训练(初)【适用场合】当堂例题【难度系数】3【试题来源】【题目】“Whats the date today?” “Its _.”【选项】 A. Tuesday B. June Fourth C. June the four D.
7、June the fourth 【答案】D【解析】日期是我们在日常生活中经常用到的数字之一。日期的写法可以采用基数词和序数词两种形式。 例如: March 1 也可以写成 March 1st;May 29 也可以写成 May 29th。 但是,日期的读法只能用序数词的形式。 例如: October 31(October 31st)读作 October(the)thirty-first August 26(August 26th)读作 August(the)twenty-sixth【知识点】数词易错知识点综合训练(初)【适用场合】当堂例题【难度系数】4【试题来源】【题目】_ volunteers
8、 will give out leaflets to ask people to protect the wetlands.【选项】A. Two hundreds B. Hundreds of C. Two hundred of D. Hundred of 【答案】B【解析】考查数词用法。表示确数时,记数单位如 hundred, thousand 不用加复数。表示不确定数的概念通常用复数形式,后接 of,如 hundreds of 表示成百的,数以百计的。【知识点】数词易错知识点综合训练(初)【适用场合】当堂练习题【难度系数】3【试题来源】【题目】Excuse me, which is the
9、 way to the museum? Sorry, I dont know. This is my_ time here. 【选项】A. first B. second C. third D.fourth【答案】A【解析】考查序数词的用法。从前文“Sorry, I dont know.”可以看出,这是第一次来这儿,所以用序数词 first。【知识点】数词易错知识点综合训练(初)【适用场合】当堂练习题【难度系数】3【试题来源】【题目】Thanks to Project Hope, _ children have better lives.【选项】A. thousands of B. thous
10、ands C. thousand D. Thousand of【答案】A【解析】考查数词用法。表示确数时,记数单位如 hundred, thousand 不用加复数。表示不确定数的概念通常用复数形式,后接 of。本句句意:多谢希望工程,成千上万的孩子有了更好的生活。【知识点】数词易错知识点综合训练(初)【适用场合】当堂练习题【难度系数】3【试题来源】【题目】Every year, _ farmers go to big cities to work.【选项】A. thousand B. thousands C. thousand of D. thousands of 【答案】D【解析】考查数词
11、用法。句意:每年,成千上万的农民去大城市工作。thousands of 意为“成千上万的”。【知识点】数词易错知识点综合训练(初)【适用场合】当堂练习题【难度系数】4【试题来源】【题目】There are _ days in a week and Tuesday is _ day of the week.【选项】A. seven,third B. seven,the third C. seventh, three D. the seventh,three【答案】B【解析】考查基数词和序数词用法。句意“一周有七天,周二是一星期中的第三天”,表示泛指一周有七天用基数词 seven,而周二是一周中的
12、第三天,用序数词 third。【知识点】数词易错知识点综合训练(初)【适用场合】当堂练习题【难度系数】3【试题来源】【题目】Its my _ time to go to Beijing. I never went there before.【选项】Atwo Bsecond Cone Dfirst【答案】D【解析】试题分析:句意:这是我第一次去北京,我以前从来没去过。由句意 I never went there before 可知以前从来没去过,所以是第一次,故选 D。【知识点】数词易错知识点综合训练(初)【适用场合】当堂练习题【难度系数】4习题演练【试题来源】【题目】There _ twelv
13、e months in a year. September is the _month.【选项】A. are, ninth B. is, ninth C. are, nineth D. is, nineth 【答案】A【解析】考查 be 动词和序数词的用法。根据句意:一年有 12 个月,九月是第九个月份。nine的序数词是 ninth,故排除 C 和 D,再根据 months 是复数所以用系动词 be 的复数 are。【知识点】数词易错知识点综合训练(初)【适用场合】随堂课后练习.【难度系数】3【试题来源】【题目】The _ Olympic Games will be hold in Lond
14、on on July 27, 2012.【选项】A. thirty B. thirtieth C. thirtyth D.thirties【答案】B【解析】此题考察序数词。根据句意可知此处需要填一序数词。thirtieth 表示“第三十”。故选 B。【知识点】数词易错知识点综合训练(初)【适用场合】随堂课后练习.【难度系数】3【试题来源】【题目】Li Jiacheng plans to give _ of his money to the charity.- Really? What a kind man he is!【选项】A. one third B. one three C. one t
15、hirds D. one-third【答案】D【解析】几分之几英语常用基数词作分子,用序数词作分母。分子超过一时,分母用复数形式,中间用小横线连接。【知识点】数词易错知识点综合训练(初)【适用场合】随堂课后练习【难度系数】3【试题来源】【题目】Last year, one hundred English teachers took part in the _ English Summer Training. 【选项】A. two-month B. two-months C. two months D.two month【答案】A【解析】考查名词。英语中名词作定语用单数形式,因此用 two-mo
16、nth。【知识点】数词易错知识点综合训练(初)【适用场合】课后两周练习【难度系数】3【试题来源】【题目】 How was your weekend?Great! It was my grandfathers _ birthday. We enjoyed ourselves.【选项】A. seventy B. seventieth C. the seventieth D. Seventeenth【答案】B 【解析】本题考查序数词的用法。生日前用序数词,意为“我爷爷的第七十个生日”。【知识点】数词易错知识点综合训练(初)【适用场合】课后两周练习【难度系数】3【试题来源】【题目】There are
17、_teachers in our school, _of them are women teachers.来源:【选项】A. two hundreds; three fourth B. two hundred; three fourths C. two hundred; three forths【答案】B【解析】本题考查固定知识点。1)hundred 与具体数字连用时,用单数。2)分数表达法:在表达分数时,分子用基数词,分母用序数词,分子大于一时,分母用复数。【知识点】数词易错知识点综合训练(初)【适用场合】课后一个月练习【难度系数】3【试题来源】【题目】Guangan is a beauti
18、ful city, isnt it?Yes. There are about two _ visitors here every week.【选项】A. thousands of B. thousands C. thousand D. thousand of【答案】C【解析】本题考查固定知识点。thousand 与具体数字连用时,用单数。【知识点】数词易错知识点综合训练(初)【适用场合】课后一个月练习【难度系数】3【试题来源】【题目】If a = 3 and b = 4, whats the answer to the problem: a + b + 1 = ? The answer is
19、_. 【选项】A. twelve B. nine C. eight D. seven【答案】C【解析】数学推理题。a = 3,b = 4,所以 a + b + 1 =8。【知识点】数词易错知识点综合训练(初)【适用场合】阶段测验【难度系数】2【试题来源】【题目】The chairperson received about three _ applications to join the Bird watching Club.【选项】A. hundred B. hundreds of C. hundred of D. hundreds【答案】A【解析】考查固定知识点。hundred 用法:1)h
20、undred 与具体数字连用时,用单数。2)hundred 与 of 连用时,用复数。【知识点】数词易错知识点综合训练(初)【适用场合】阶段测试【难度系数】3【试题来源】【题目】Now, everyone, please turn to Page _ and look at the _picture.【选项】A. Twelve; fifth B. Twelfth; fifth C. Twelve; five D. Twelfth; five【答案】A【解析】本题考查的是基数词与序数词的用法。句意:请把书翻到十二页,看着第五个图片。“Twelfth”为基数词,“fifth”为序数词。【知识点】数
21、词易错知识点综合训练(初)【适用场合】随便练练【难度系数】3【试题来源】【题目】About _of the students in Grade Nine this year were born in the_.【选项】A. three five; 1996. B. three fifths; 1990s C. third fifth; 1997. D. third fifths; 1990s【答案】B【解析】此题考查数词。根据句意:今年大约五分之三的九年级学生出生在九十年代。 分数的分子用基数词,分母为序数词。分子不是一的,分母序数词加 S。表示年代的要在后面加“s”。故选 B。【知识点】数词易错知识点综合训练(初)【适用场合】随便练练【难度系数】4
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