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数词用法


数词
数词包括基数词和序数词两大类。 主要分布在单项填空和词汇应用题型中。 中考对数词的考查主要集中在: 1.由数词构成的合成形容词的用法。 2.基数词变序数词的规则和特殊序数词的拼写。 3.数词在生活中的具体用法。 4.分数式的表达方法。 5.hundred,thousand,million,billion 这几个词的用法。

考点一 基数词的构成

1 至 10 11 至 20 20 以上的整十数

1 one 11 eleven 20 twenty 2 two 12 twelve 30 thirty 3 three 13 thirteen 4 four 14 fourteen 40 forty 50 fifty

5 five 15 fifteen 60 sixty 6 six 16 sixteen 70 seventy 7 seven 17 seventeen 80 eighty

8 eight 18 eighteen 90 ninety 9 nine 19 nineteen 100 hundred 10 ten 1,000 thousand

从上表可知:

1.1~12 的基数词是独立的单词,需逐个记忆。 2.13~19 的基数词以?teen 结尾,但 13,15,18 较特殊。 3.20~90 的整十数词均以?ty 结尾,但 20,30,40,50,80 较特殊。 4.十位数与个位数之间要加连字符号“?” 。如: 48=forty?eight,96=ninety?six 5.百位和十位(若无十位则和个位)之间加 and。如: 103=one hundred and three 469=four hundred and sixty?nine

考点二 hundred,thousand,million,billion 的用法 1. hundred,thousand,million,billion 等前有具体数目词时,它们后面

不能加 s,也不与 of 连用。如: two thousand workers 两千名工人 2.若前面没有数目词(但 many,some,several 除外),后面又有 of 时, 则要加 s。如: (many) hundreds of people 几百/成百上千人 thousands of stars 数千/成千上万颗星星 6.千位以上的数字,先从后往前数,每 3 位加一个逗号“, ” ,第一个 逗号前为 thousand(千),第二个逗号前为 million (百万),第三个逗号前 为 billion(十亿)。如: 2,510=two thousand five hundred and ten 9,020,000=nine million twenty thousand

注意: 英语中没有 “万” 、 “亿” 的单词, 而是用 thousand(千)和 million (百 万)来表示。如: 1 万=10 thousand 1 亿=100 million

考点三 基数词的应用 1. 充当句子成分。见下表:

句子成分 例句 作主语 作宾语 作定语 Ten of the books are Tom’s. Give me five. They have five notebooks.

作同位语 You two will pass the exam.

2.时刻的表达 类型 表达法 举例

整点 整点数+o’clock 5∶00 five (o’clock) 几点 几分 钟点数+分钟数 4∶03 four o three

分钟数+past+钟点数(分钟数≤30) 意思:几点过几分 6∶12 twelve past six 2∶30 half past two/thirty past two 分钟数+ to+钟点数(分钟数>30)

意思:差几分到几点 8∶45 a quarter to nine/fifteen to nine 9∶50 ten to ten 注意:表示几刻钟常用“quarter” ,半小时常用“half” 。

2.

小数、分数、百分数的表达

名称 表达法

举例

小数 数词+point+数词 2.02 two point o two 分数 分子(基数词)+分母(序数词),当分子大于 1 时,分母要加?s 1/2 a/one half 1/4 a/one quarter 或 one fourth 3/5 three fifths 百分数 基数词+percent 40% forty percent

注意:小数、分数、百分数作主语时,谓语动词的单复数取决于所修饰的 名词。如: Three fourths of the students in my class are interested in English. 我们班四分之三的学生对英语感兴趣。 Two thirds of the water on the earth is sea water. 地球上三分之二的水是海水。 4.加减乘除的表达 plus/and 加,minus 减,times/multiplied by 乘,divided by 除。如: ①12+8=? How much is twelve plus/and eight?

②40-11=29 Forty minus eleven is/equals twenty nine. ③3×6 =18 Three times six is/equals eighteen. ④56÷7=? How much is fifty?six divided by seve

考点四 序数词的构成 1 至 10 11 至 20 20 以上的整十数

1 first 11 eleventh 20 twentieth 2 second 12 twelfth 30 thirtieth 3 third 13 thirteenth 40 fortieth 4 fourth 14 fourteenth 50 fiftieth

5 fifth 15 fifteenth 60 sixtieth 6 sixth 16 sixteenth 70 seventieth 7 seventh 17 seventeenth 80 eightieth

8 eighth 18 eighteenth 90 ninetieth 9 ninth 10 tenth 19 nineteenth 100 hundredth 1,000 thousandth

从上表可知: 1.1~3 的序数词是独立的单词,需逐个记忆。 2.4~19 的序数词一般是在基数词后加?th 构成,但 5,8,9,12 要注意。 3.20~90 的整十数词均把词尾的 y 改为 ie,再加?th。

4.表示“几十几”的序数词,只需将个位数变成序数词即可。如: thirty?six—thirty?sixth 108—one hundred and eighth 5.hundred,thousand,million,billion 的序数词也直接在词尾加?th。

考点五 序数词的用法 1. 序数词前面要加定冠词 the。如:

Tom lives on the fourth floor. 汤姆住在四楼。(美国指四楼,英国指三楼) 2.作定语时,一般要与定冠词或物主代词连用(不可并用)。如: Today is my sixteenth birthday. 今天是我第十六岁的生日。 You are the first one to arrive here. 你是第一个到达这里的人。 3.序数词有时可以和不定冠词 a/an 连用,表示数量上“又一,再一” 的意思。如: There comes a third girl. 又来了一个女孩。 He has tried a second time. 他又尝试了一次。

考点六 基数词、序数词的其它应用 1. 编号的表达

2. 3. 4. 5. 6. 7.

写法 读法 Lesson 5 Lesson Five=the fifth lesson 第五课 Room 302Room three o two 302 房间 Bus (No.)3 Bus No. 3=the No. 3 bus 3 路公交车

Page 102 page one o two/page one hundred and two 电话号码

68873166 six eight eight (double eight) seven three one six six (double six)

2.年、月、日的表达 表示年、月、日时,年份用基数词,日用序数词。 ①年份(读法的原则是“前一位/两位+后两位”)。如: 862 年 (in) eight hundred and sixty?two 1900 年 (in) nineteen hundred 2011 年 (in) two thousand and eleven ②年月的表达:月+年(中间可用或不用逗号)。如: (in) December 1969 (in) June 2008

③日月的表达有两种: “月+日”或“日+月” 。如: (on) August 25th 读作(on) August the twenty?fifth 或(on) 25th August 读作(on) the twenty?fifth of August ④年月日的表达:月+日+年,年前面加逗号。如: (on) September 28(th),1978 3.世纪、年代的表达 (在)90 年代 (in) the nineties

(在)21 世纪 (in) the twenty?first century (在)20 世纪 80 年代 (in) 1980s 或 1980’s

考点七 其它重要考点 1. in one’s forties 在某人 40 多岁

2.half an hour 半小时 3.one and a half hours=one hour and a half 一个半小时 4.five more apples=another five apples 再来五个苹果 5.ten minutes’ walk=ten?minute walk 走路十分钟的路程 6.The boy is 11 years old. =He’s an 11?year?old boy. 7.表示倍数:一倍用 once,两倍用 twice,两倍以上用基数词+times。 如: seven times, twenty?two times 8.时间、距离、金钱数字与名词一起作主语时,谓语动词用单数。如: Ten kilometers is a long way. Five days is enough for the project.

例题

1. Now, everybody, please turn to Page ________ and look at the ________ picture.( ) B.Five;fifth D.Five;five

A.Fifth;five C.Fifth;fifth

解析:基数词前没有冠词,序数词前有定冠词 the。本题句意为“请翻到第 5 页,看第 5 幅图” ,Page Five“第 5 页” ,用基数词;the fifth picture“第 5 副图” ,用序数词。故选 B。 答案:B 2. There are over ________ students in their school.( A.hundreds C.hundreds of B.nine hundreds D.nine hundred )

解析:本题考查数词 hundred 的用法。根据 over 可知后面应是具体数量, 有具体的数字时 hundred 不能加?s,也不与 of 连用,故选 D。 答案:D 3. September is ________ month of the year.( A.ninth C.the nine B.nine D.the ninth )

解析:句意为: “九月是一年中的第九个月份。 ”强调第九个月,用序数词, 序数词前加 the。故选 D。 答案:D 4. About ________ of the students in our class were born in the ________.( ) B.two thirds;1990

A.two thirds;1990s

C.two third;1990s

D.second three,1990's

解析:分数的分子用基数词,分母为序数词。当分子大于 1 时,分母序数 词加?s。表示年代的要在后面加“s 或's” 。故选 A。 答案:A

1.(2011·河源)You can see ________ if you go out at night.( A.million stars C.hundreds stars B.thousand of stars D.millions of stars

)

解析:本题考查数词的用法。当 million 与具体的数字连用时,习惯上用单 数,而且其后也不接 of;当 million 不与具体数字连用,而是表示不确定的 泛指数时,则不仅要用复数,而且要与 of 连用。故选 D。 答案:D 2.(2011·德阳)I don’t believe that this ________ boy can paint such a nice picture.( )

A.five years old B.five? years? old C.five? year? old
解析:five? year? old 这类复合词可以用作形容词,意为“五岁的” ,这类结构 通常用作前置定语,不用作表语,作表语时可改用 five years old 这样的形式。 而本题修饰 boy 只能用 five? year? old。故选 C。 答案:C 3. (2011· 杭州)For breakfast, I usually have ________ and two pieces of bread.( A.a cup of milk half )

B.half a cup of milk C.a half milk cup D.half a milk cup 解析:本题考查 half 的用法。表示“半??”用“ half a/an+名词+of ...” 。 答案:B 5.(2011·达州)—If a=4,b=5,what’s the answer to the question “a+2ab+1 =?” —________.( )

A.Forty? fifth B.Forty? five C.Twenty? three D.One hundred and twenty? one 解析:本题考查对基数词和序数词的辨析。根据题意,如果 a=4,b =5,那么 a+2ab+1=?等于 45。forty?fifth 表示第 45,forty?five 表 示 45。故本题选 B。 答案:B 1. There are ________ days in a year and ________ days in a week.( A.three hundred and sixty?five;seventh B.three hundred sixty?five;seven C.three hundred sixty?five;seventh D.three hundred and sixty?five;seven 2 . ________ of the snow in the yard ________ cleaned up this morning.( ) )

A.Two fifths;was C.Two fifth;was

B.Two fifth;were D.Two fifths;were

3.—Which is the smallest number of the four? —________.( A.One fifth C.A quarter ) B.A half D.One third

4.—Do you know what two thirds and five sixths is?
—Let me see..., it’s ________.( A.one and one sixth C.one and a half )

B.one and one third D.one and three fifths )

5.The old man left an estate(遗产) of ________when he died.( A.two million dollar C.two million dollars B.two millions dollars D.two millions dollar

6.Do you know what the most important thing in the ________ century is ? ( ) B.twentieth?first D.twentieth?one

A.twenty?one C.twenty?first

7. I don’ t know exactly in which year they moved to Beijing, but I’ m sure they moved to Beijing ________.( A.in 1980s C.in the 1980s )

B.in the 1980’ D.in the 1980s’

8.—What was the date yesterday? —________.( )

A.It was Friday C.It was April five

B.It was the fifth day D.It was April the fifth

9.—When was your favorite writer Han Han born? —He was born ________.( A.on September 23rd,1982 B.on 1982, September 23rd C.in September 23rd,1982 D.in 23rd September,1982 10.Another way of saying the time of eleven forty is ________.( A.twenty to eleven C.twelve to twenty B.twenty to twelve D.twenty past twelve ) ) )

11.Both of the rules are broken. I want to buy a ________ one.( A.three B.third C.fourth D./ )

12.Please write down the new words in the text of ________.( A.Lesson Eleven C.Lesson Eleventh B.the Lesson Eleven D.the eleven lesson

13.She knows a lot about China as she has been to China ________.( A.for the fourth time C.a fourth time B.four times D.for four times

)

14 . When he moved to Germany in ________ , he was already in ________.( )

A.the fifties;his sixties B.fifties;his sixties C.the fifties;his sixty D.fifty;sixty

15.It will take ________ time to finish the work.( A.one and a half years’ B.a year and half C.one and a half year’s D.a year and half’s

)

(

)1、Miss Gao says there are about _____English story books in the school library. A. six hundreds of C. six hundreds B. six hundred of D. six hundred

(

)2. Sunday is _______day of the week. A. first B. the first C. second D. the

second ( )3.More than ______tickets had been sold out when I got to the cinema. A. two hundred C. two hundred of ( B. two hundreds D. two hundreds of

)4. On my ___________birthday, I received a doll. A. Two B. second C. the third

D. nineth ( )5.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

)6. There are _______months in a year.

October is the ______month. A. twelve, ten ( B. twelfth, tenth C. twelve, tenth D. twelfth, ten

)7.—Do you have enough students to clean the laboratory? —No, I think we need students. C. another two D. more two

another (

B. two others

)8. Football is so exciting that A. million of C. two millions of

people in the world play it. B. millions of

D. two millions

(

)9.They both stayed in ____________. A. No. 108 Rooms B. 198 Room C. Room 108 D. the 1098 Room

(

)10._________ of the teachers in this school is about

three hundred. _________ of them are women. A. The number, A half C. A number, Half ( B. The number, Half D. A number, A half

)11. I think Hangzhou is the most beautiful city . I have ever been there for three times and I’ll come for ________time. A. a fourth B. a two C. the two D.

second ( )12.He has written an ______________ composition. A. five hundred words C. eight-hundred-word ( )13. Over B. eight hundred words D. eight hundreds words of the students in Class Six

were born in the two thirds, 1990s C. two third, 1990s (

.

B. two thirds, 1990 D. two third, 1990

)14. Lin Tao gets up at __________in the morning. A. forty past six C. a quarter to six B. six past half D. thirty six

(

)15.He has been away from Zhongshan for _________. A. a week and half C. one and a half year B. one year and a half D. two months and half

(

)16.There are _________words in Lesson _________. A. hundred of, Fifth C. hundreds of, Fifth B. a hundred of, Fiveth D. hundreds of, Five

(

)17.We began to study in No. 1 Middle School _________. A. 2009, September C. September, 2009 B. in September, 2009 D. 2009, in September

(

)18.The old man began to learn to drive a car

at the age of _____________. A. sixty C. sixty years old ( B. the sixtieth D. sixties

)19. December __________ is Christmas Day. A. twenty-five C. the twentieth-five B. the twenty-fifth D. twentieth-fifth

(

)20. Li Ming is in ________________.

A. Class Third, Grade One C. Class Three, Grade Three

B. Three Grade, Class Five D. Three Class, Grade one


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