數(shù)詞

1數(shù)詞語法的基本框架

(1)基數(shù)詞：

1 2 3 4 5 6 7 8 9 10	one two three four five six seven eight nine ten	11 12 13 14 15 16 17 18 19	eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen
20 30 40 50 60 70 80 90 100	twenty thirty forty fifty sixty seventy eighty ninety one(a) hundred	23 35 101 千 百萬 十億	twenty-three thirty-five one hundred and one thousand million billion

(2)讀數(shù)：108→one hundred and eight[注]：(1)百and十—個

(3)基數(shù)詞→序數(shù)詞

one

two

three

four

five

eight

nine

twelve

twenty

thirty

twenty-one

forty-six

【答案】First second third fourth fifth eighth ninth twelfth twentieth thirtieth twenty-first forty-first

(4)百、千、百萬、十億的用法

1. hundred\thousand\ million\billion前有數(shù)字不加 1。

2. 用作名詞時復數(shù)表示“成…上…”,后面必須要有 2,

如：(五百) 3,(成百上千的) 4

【答案】

1.s 2. s+of 3. five hundred 4.thousands of

(5)分數(shù)

“子基母序，子>1母加s。如：

1/5→ 1;

2/3→ 2;

4/7→ 3;

1/2→ 4;

1/4→ 5;

3/4→ 6.

【答案】

1. one fifth 2. two thirds 3. four sevenths 4. a half 5. a quarter 6. three quarters

(6)次數(shù)

(一次),

(兩次),

(三次)

【答案】

1.once, 2.twice, 3.three times

(7)倍數(shù)

1(兩倍)，

2 (三倍)

asas :表示. 3

如：He is as 4as his younger sister.(他和他妹妹一樣興奮)

This room is 5 that one(這個房間跟那個房間的兩倍大)

【答案】

1. twice 2. three times 3. 和.一樣 4. as excited as 5. twice as big as

(8)the+序數(shù)詞與a +序數(shù)詞的區(qū)別

1. the +序數(shù)詞意思為“ 1 ”

2. a +序數(shù)詞意思為“ 2 ”

如：John failed the test twice.But he would like to have 3try.(約翰考試失敗了兩次，他想再試一次)

Hainan is 4island in China.(海南是中國的第二大島)

【答案】

1.第幾 2. 再一次 3. a third 4. the second

(8)、數(shù)詞的用法：

1、表示年份：2002: twenty thousand and two ; 1976 : nineteen seventy-six.

2、表示日期：12月1日: Dec.1st或the first of December;2002年11月8日: Nov. 8th, 2002.

3、表示時刻：5：15→ five fifteen或a quarter past five ; 8：30→ eight thirty或half past eight ;10：45→ ten forty-five或a quarter to eleven.

4、表示編號：Room 105; P.5→

5、年代的表達方式通常為“in+the+數(shù)詞的復數(shù)”。如：in the 1980s 在20世紀80年代

6、“半”的表達：1/2→ 1 , 半小時→ 2 ,1.5小時→ 3 或 4 .

7.在我30多歲時 5

【答案】

1. a half 2. half an hour 3. one and a half hours 4. one hour and a half 5.In my thirties

一、數(shù)詞在選擇題中的運用

1. Alice felt very happy to receive some gifts on her ____ birthday. Nobody gave her gifts on her former eleven birthdays.

A. eleventhB. twelfthC. thirteenthD. twelve

【答案】B

【解析】句意：愛麗絲在她的____生日收到一些禮物，她感到非常高興。沒有人在她前11次生日送給她禮物。此處需填序數(shù)詞，表示在某人多少歲生日時，再結合題意，此處是指十二歲的生日,on one’s+序數(shù)詞+birthday,在某人多少學生日時。故選B。

2.Today postcards are the ____ most popular collection in the world after stamps and coins.

A. firstB. secondC. thirdD. fourth

【答案】C

【解析】句意：現(xiàn)如今，明信片是世界上____流行的收藏品，僅次于郵票和硬幣。結合語境可知此處是指世界上第三大最流行的，應用序數(shù)詞。故選C。

3.Although I have failed three times, my father encourages me to have a ____ try.

A. fourB. thirdC. fourthD. five

【答案】C

【解析】句意：盡管我已經(jīng)失敗了3次，我的父親鼓勵我嘗試第____次。結合語境可知此處是指再嘗試第4次，應用序數(shù)詞。故選C。

4.In his_____，Wilson returned to his hometown and began to teach .

A.thirtyB.thirtiesC.thirtieth

【答案】B

【解析】句意：Wilson在30多歲的時候，回到了家鄉(xiāng)開始從事教育事業(yè)。In one’s thirties在某人三十多歲的時候。故選B。

5.Please tum to Pageand read thestory.

A. Ten; two B. Ten; second

C. Tenth; second D. Tenth; two

【答案】B

【解析】句意：請翻到第十頁，閱讀第二個故事。所以第一個空填基數(shù)詞，第二個空填序數(shù)詞。

6.I live in Room 403, Sam lives in the room right above mine, on the _____ floor.

A.thirdB.threeC.fifthD.five

【答案】C

【解析】句意：我住在403房間。薩姆正好住在我的上面。在五樓。403房間在四樓，薩姆在上面，就是第五層樓。fifth第五，five五。空格后的名詞是單數(shù)，所以這里用序數(shù)詞，故排除B和D，根據(jù)I live in Room 403，可知Sam住在5樓。故選C。

7.--- _____ Haojiang Peach Blossom(桃花) Festival took place in late February. Did you go there?

--- Yes. I took the No. 36 bus and then a _____ walk to Ju Feng Temple.

A. The seventh; 20-minute

B. The seven; 20-minute

C. The seventh, 20 minute’s

D. The seven; 20 minutes’

【答案】A

【解析】第一個空表達第七屆之意，要用序數(shù)詞。二十分鐘的步行路程：20-minute walk或者20 minutes’ walk.結合句意，故選A。

8.— What day is it today?

—It’s Monday, and it’s mybirth May is themonth of a year.

A.fiftyB.fifteenC.fifthD.five

【答案】C

【解析】句意：五月是這一年中的第五個月。表示在一年中的第幾個月用the+序數(shù)詞，表示第幾;根據(jù)題意可知選C

9.It is reported thatpeople in the world are suffering from the HlNl flu.

A.ten thousandsB.thousands ofC.several thousands of

【答案】B

【解析】句意：據(jù)報道在世界上有數(shù)千計人們在遭受H1N1流感。此題考查數(shù)詞，thousands of數(shù)千計，根據(jù)句意，應選B。

10.It’s reported that there are more than 300 ____ smokers in China, nearly a third of all the smokers in the world.

A. millionB. millionsC. million ofD. millions of

【答案】A

【解析】考查概數(shù)詞的用法。句意為：據(jù)報道在中國有超過三億吸煙者，這幾乎是世界上所有吸煙者的三分之一。million前是具體數(shù)字，則million不加s, million后是of,則million加s,為成千上萬的。故選A。

11.Playing basketball is so exciting that ____ people play it for fun.

A. millionB. two millionsC. million ofD. millions of

【答案】D

【解析】考查概數(shù)詞的用法。句意：打籃球如此令人興奮以至于____人玩它來取樂。此處表示概數(shù)，用millions of。故選D。

12.—What do you think of the environment here?

—Wonderful! ____ of the landcovered with trees and grass.

A. Two fifths; is B. Two fifth; is

C. Two fifths; areD. Two fifth; are

【答案】A

【解析】考查分數(shù)和主謂一致的用法。句意“你認為這兒的環(huán)境怎么樣?”“好極了!____的土地被樹和草覆蓋。”“五分之二”的正確表達應該為two fifths,符合分子超過1時分母的序數(shù)詞后面要加?s;因為句中l(wèi)and是不可數(shù)名詞，所以空格處的謂語動詞用單數(shù)形式is，故選A

13.____ of the girls in our class will join the summer camp to visit England.

A. Three fivesB. Third fifths

C. Three fifthsD. Third fives

【答案】C

【解析】考查分數(shù)的用法。句意為：我們班____女生將參加游覽英國的夏令營活動。五分之三的表達是 three fifths,故選C。

二、用所給數(shù)詞的適當形式填空

總結出以下規(guī)律：

1.Our team won the ______ prize in the competition.(two)

方法點撥 第1步：根據(jù)試題可知本題考查數(shù)詞轉換，且括號里給出的詞是two;第2步：空格后給的名詞為prize，且語境表示“我們隊在比賽中獲得第二名”，此處表示“第二”應用序數(shù)詞。故填second。

2.I visit my grandparents ______ a week.(one)

方法點撥 第1步：根據(jù)試題可知本題考查數(shù)詞轉換，且括號里給出的詞是one;第2步：空格后給的詞組為a week，并聯(lián)系語境可知此處表示一周一次。故填once。

練一練

1.Two _______ of the students in our class have been to Disneyland somewhere.(three)

【答案】thirds

【解析】句意為：我們班三分之二的學生去過某地的迪士尼樂園。此處考查分數(shù)的正確表達。分子用基數(shù)詞，分母用序數(shù)詞，分子大于1，分母加-s。故填thirds。

2.Christmas comes in the ________ month of a year.(twelve)

【答案】twelfth

【解析】句意：圣誕節(jié)在一年中的____月份。根據(jù)常識可知，圣誕節(jié)在十二月份，此處表示第十二個月，需用序數(shù)詞。故填twelfth。

3.Yancheng has the ________ largest population of more than 8 million in Jiangsu Province.(two)

【答案】second

【解析】句意：鹽城有八百多萬人口，是江蘇省第二大人口城市。根據(jù)空格前的the可知應將two變?yōu)樾驍?shù)詞形式，故填second。

4.There are seven days in a week. And Thursday is the _____ day.(five)

【答案】fifth

【解析】句意：一周有七天。星期四是第五天。根據(jù)句意此處指“第五”，故填fifth。

5.Shanghai is a beautiful city. I have been there ______.(two)

【答案】twice

【解析】句意：上海是座美麗的城市。我已經(jīng)去過那里兩次了。根據(jù)句意此處指次數(shù)。故填twice。

6.Today is the little boy’s _______ birthday.(nine)

【答案】ninth

【解析】句意：今天是這個小男孩的第九個生日。根據(jù)句意此處指第九個，故填ninth。

7.Sophie has read four novels this term, and the book she is reading now is the _____ one.(five)

【答案】fifth

【解析】句意：蘇菲這學期已經(jīng)讀了四本小說了，她現(xiàn)在正在讀的書是第五本。根據(jù)句意可知此處指的是第五本，應用序數(shù)詞。故填fifth。

8.December is the ________ month of a year.(twelve)

【答案】twelfth

【解析】句意為：十二月是一年的第十二個月。此處需填序數(shù)詞，表示第十二，故填twelfth。

9.What a lovely present the old lady has received for her ________ birthday! (eighty)

【答案】eightieth

【解析】句意：這個老婦人在她八十歲生日的時候收到了一件多么可愛的生日禮物啊!此處表示某人多少歲生日，應填序數(shù)詞形式。故填eightieth。

三、

1.托尼的媽媽看上去年輕漂亮。難以想像她已經(jīng)五十幾歲了

Tony’s mum looks young and beautiful. It’s hardto she is already in her.

2. 我住在403房間。薩姆正好住在我的上面。在五樓。403房間在四樓，薩姆在上面，就是第五層樓

I live in Room 403, Samin the room right above mine, on the _____ floor.

3. 鮑勃知道怎么砍工程的價格。我確信他能用更少的錢更少的人做這項工作。

Bob knows how to cut the cost of the project. I’m sure he can do the work with _____ money and ______ people.

4. 孩子們。請翻到第五頁，看第五幅圖畫

Boys and girls, please turn to Page _____ and look at the _____ picture.

【答案】1.imagine ，fifties 2.lives，fifth 3.less,fewer 4.Five; fifth

二、翻譯句子

1. 他在四十多歲時才出名。

2. 每年成千上萬的樹被種。

3.你能再吃兩塊蛋糕嗎?

4.父親節(jié)在六月的第三個周日。

5.我們學校學生總數(shù)是1000，其中三分之二是女孩子。

【答案】

1. He became famous in his forties

2. Thousands of trees are planted every years

3. Would you like to have another two pieces of cakes

4. Father’s Day is on the third Sunday of June

5. The number of students in our school is 1000, and two thirds of them are girls

四、數(shù)詞在語篇中的運用

Mr.Green is teacher in a middle school.In his 1 (三十多歲)，he went to Russia. He has lived Russia for about2 (一年半). In the school, 3 of(總數(shù)) students 4about 6 (兩千).And about 6 (五分之三)students are boys. 7 (許多)boys like playing basketball.Tom is a 8 (十六歲的) student comes from 9 (三年級四班).He often plays basketball 10 (一周兩次). Once The 11(第二十屆) World Basketball Championship began12the morning of May 25, 201013Moscow, Russia.there were 14 (成千上萬)people watching the game. But Tom didn’t go to watch because he had to stay in 15 (406室) with his classmates to study English.

【答案】

1. thirties

2. one and a half years

3. the number

4. is 5. two thousand

5. three fifths

6. a number of

8. sixteen-year-old

9. Class Three Grade Four

10. twice a week

11. the twentieth

12. on 13. in

14. thousands of

15. Room 406

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