高考英语考点 20基数词

(一)基数词 在英语中表示数目的词称为基数词。 1.基数词的构成 (1) 1-20 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty (2)21-99 先说“几十”，再说“几”，中间加连字符。 23→twenty-three,34→thirty-four,45→forty-five,56→fifty-six,67→sixty-seven, 78→seventy-eight, →eighty-nine, 91→ninety-one (3)101-999先说“几百”，再加and,再加末两位数或末位数； 586→five hundred and eighty-six; 803→eight hundred and three (4)l,000以上, 先从右往左数，每三位数加一个“,”,第一个“,”前为thousand. 第二个“,”前为million, 第三个“,”前为billion(美式)或thousand million(英式),然后一节一节地表示。 1,001→one thousand and one 9,785→nine thousand, seven hundred and eighty-five 18,423→eighteen thousand, four hundred and twenty-three 6,260,309→six million two hundred and sixty thousand three hundred and nine 2.基数词的用法 (1)作主语 Four of them come from Paris. (2)作宾语 — How many books would you like? — I would like two. (3)作表语 Seven minus two is five. (4)作定语 There are three people in my family· (5)作同位语 You two will go swimming with us. (6)表具体数字时, hundred, thousand, million用单数。 There are six hundred students in our grade. (7)表不确定的数字时，数词用复数。若带名词，再加of; hundreds of(数百,成百上千的), thousands of(数千,成千上万的), millions of(数百万) Thousands of people died in the earthquake. (8)表示“……十”的数词的复数可以表示人的岁数或年代。 He is in his early thirties. 他有三十来岁(31-34岁). This took place in the 1930s. 这事发生在二十世纪三十年代。 (9)表示时刻 I watch CCTV News at seven o’clock every evening. (二)序数词 在英语中表示顺序、次序的词称为序数词。 1.序数词的构成 (1)一般在基数词后加th

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four→fourth, thirteen→thirteenth (2)不规则变化

one→first, two→second, three→third, five→fifth, eight→eighth, nine→ninth, twelve→twelfth (3)以y结尾的十位整数，变y为i再加eth twenty→twentieth, forty→fortieth, ninety→ninetieth

(4)从二十一后的“几十几”直至“几百几十几”或“几千几百几十几”只将个位的基数词变为序数词。

twenty-first, two hundred and forty-fifth 2.序数词的用法

(1)序数词作定语时，一般要与定冠词或物主代词连用。 Tom is their second son. He is the first one to come here. (2)序数词有时可与不定冠词连用，表示数量上“又—”,“再一” He tried a second time.他又试了—次。

Shall l ask him a third time? 还要我再问他—次吗？我已问了他两次。 (3)序数词的缩写形式为：阿拉伯数字加上这个词的末尾两个字母。 1st, 2nd, 3rd, 4th, 20th, 21st, 22nd, 23rd

(4)表示年、月、日时，年用基数词，日用序数词。

2005年8月15日：(英)15,8,2005=15th, August, 2005；(美)8,15,2005 = August 15th, 2005 (三)基数词和序数词都可以用来给数字编号。

No.1(1号), No.3bus(3路公共汽车), Room 103,(103号房间) the second lesson (四)分数词的表达

分子用基数词，分母用序数词，分子大于1时，分母加s。 1/3-one third; 2/5-two fifths (五)数算的表达

3+5=8. Three plus/and five is eight. 9-2=7. Nine minus two is seven. 6x5=30. Five times six is thirty. 8÷2=4. Eight divided by two is four. (六)英语中表达倍数常用下列句型:

1. A is three / four...times the size / height / length / width...of B. 2. A is three / four...times as big / high / long / wide...as B. 3. A is three / four...times bigger / higher / longer / wider...than B.

用times表示倍数时,一般只限于三倍或三倍以上的数,表示两倍常用twice或double。

1. A nucleus(原子核) is about______of an atom(原子).

A. one million the size 2. 9______3 is three. A. divides by

B. divided by

C. is divided by

D. divided into

3. My father served in the army in______when he was in______.

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B. one millionth the size C. one million of D. a million of

A. 1950's; twenties

B. the 1950's; his twenties D. 1950's; the twenties

C. the 1950's; the twenties

(2017·新课标Ⅰ卷) In the summer holiday following my eighteen birthday, I took driving lessons. 【答案】eighteen→eighteenth。

【解析】考查序数词。“我的18岁生日”, 应用序数词eighteenth。

1. (2018·山西) In the early twenty century, homeless people were often brought up in orphanages, in which they received little love. 【答案】twenty→twentieth

【解析】考查数词。表示第几世纪要用序数词，故twenty改为twentieth。 2. Almost ___________ of the students in this class ___________ glasses.

A. two-thirds；wear B. two-thirds；wears C. two-three；wears D. two-third；wear 【答案】A

【解析】句意：这个班几乎三分之二的学生都戴眼镜。分数表达，分子用基数词，分母用序数词，分子大于1，分母加s

3. We are going to learn______next week. A. Lesson Twelve 【答案】A

【解析】句意：下周我们将要学第十二单元。Lesson Twelve = the Twelfth Lesson 4. ______of the land in that district______covered with trees and grass. A. Two fifth; is

B. Two fifth; are

C. Two fifths; is

D. Two fifths; are

[解析]\"五分之二\"应为\"two fifths\"; land是不可数名词,谓语动词应使用单数形式。故为C。

B. Lesson Twelfth

C. Twelfth Lesson

D. The Lesson Twelfth

一 单项选择题

1. He is a student of______. A. Class Second

B. the Class Two

C. Class Two

D. Second Class

2. He wrote a______composition. A. two-thousand-words C. two-thousands-word A. third-fifths A. thirtieth

B. two-thousand-word D. two-thousands-words C. three-fives C. thirty's

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3. About______of the workers in that steel works are young people.

B. three-fifths B. thirty

D. three-fifth D. thirties

4. He began to write poems in his______.

5. —When is your birthday? —It's on Saturday______. A. third March A. Two-nineth A. a hundred time A. a long time A. half as A. the two

B. the third of March B. Two-ninth

C. three March C. Two-ninths

D. the three of March D. Two-nineths D. hundreds of times D. two hours

D. two as D. the second one

6. ______of the students in our class are from the south. 7. I've told him______.

B. hundred times B. it had been open B. as half

C. hundred of times C. eight o'clock C. two-ninth as C. the two one

8. They have been in the reading-room since______. 9. This map is______small as that one. 10. Ask him to give me______.

B. the second

二 阅读理解填词

(2017福建福州外国语学校高三适应性考试一)

Singles’ Day falls on November 11th every year in China, 1 is recognized as a day for people who have no girlfriends or boyfriends. Couples and lovers have Valentine’s Day in 2 (celebrate)of their love, but how about the singles? There must be a day they can celebrate even without a partner. That’s 3 people created Singles’ Day.

On Singles’ Day many singles choose to say goodbye to their single lives, 4 (attend)blind date parties, and some people even decide to get 5 (marry)to strangers. 6 this day has recently become more of a time for shopping, because many shops online will give customers great discount 7 (promote)their goods.

More and more people are 8 (will)to shop online to get what they want, and I am one of them. I just can’t help buying things 9 I need them or not. 10 (honest)speaking, some of the things that I bought have been put aside forever in my closet. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

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基数词变序数词记忆口诀 基变序，有规律，词尾加上-th。 一二三是特例，结尾字母t,d,d(first,second,third)。 八去t, 九去e,(eighth,ninth)， ve要用f替;(fifth,twelfth)。 ty将y改成i, th前面有个e。 若是碰到几十几，前用基来后用序。 英语分数不费事， “母序子基”四个字。 分子若是大于一， 分母还须加-s。 英语分数记忆口诀 5

参

高考考点问诊

1. 倍数表达法：…the size of… 2. divided by 除于

3. 表达\"在某人几十岁时\"用\"in one's（the） +逢十的基数词复数\";表达\"在几十年代\"时,用\"in the +逢十的基数词复数\"。 单项选择

答案：CBBDB CDCAD [解析]：

1.Class Two 二班，首字母要大写，且不用定冠词。

2. two-thousand-word两千字，用连字符，后边的名词用单数形式。 3.分数的表达法: 分子用基数词，分母用序数词，分子大于1时，分母加s. 4.表示“……十”的数词的复数形式可是表示人的岁数或年代。 5.the third of March 第三个月份“三月”

6. 分数的表达法：分子用基数词，分母用序数词，分子大于1时，分母加s. 7. hundreds of time 几百次

8.since 自从。后边接一个点时间，表示从什么时候开始。 12.as…as…和……一样。 13.第二个 the second one. 阅读理解填词

[语篇解读] 文章先介绍了“光棍节”的来历,然后告诉读者“光棍节”这一天现在已成为网上大购物的日子。

1.which 先行词指物,关系词在非性定语从句中作主语,故填which。 2.celebration in celebration of为介词短语,意为“(为)庆祝”。

3.why 本句为含有why引导的表语从句的复合句,空格处在从句中作原因状语。 4.attending 此处为现在分词短语作状语,与主语是主动关系。 5.married get married to sb.为常用短语,意为“与某人结婚”。 6.But 空格处表示转折,且空后没有逗号,故填But。 7.to promote 此处为不定式短语作目的状语。

8.willing be willing to do sth.为常用短语,意为“愿意做某事”。 9.whether 结合“whether...or not”可知,空格处填whether。 10.Honestly 空格处在句中作状语,故填提示词的副词形式。

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