吳　靜

一、考查基數(shù)詞的表達(dá)法

三位數(shù)以內(nèi)基數(shù)詞的表達(dá)法：個位、十位之間用連字符，十位、百位之間用and。 例如：

(2007山東濟(jì)南市) The road is over____ metres long.

A. six hundred and fifty-two B. six hundreds and fifty-two

C. six hundred，fifty-two D. six hundred，fifty and two

【解題點撥】 本題考查基數(shù)詞的表達(dá)法。 hundred前面有數(shù)詞時，即使這個數(shù)詞大于1，也用hundred，不用hundreds，且百位與十位之間用and連接。故答案為A。

二、考查基數(shù)詞的用法

1. 表示街道、建筑物、學(xué)校的序號時，可用“名詞(首字母大寫) + 基數(shù)詞(英語首字母也大寫)”，也可用“the + 序數(shù)詞 + 名詞”。例如：

(2007浙江省) —Where is the head teacher？

—Maybe he is in____ .

A. Two Room B. the Two Room

C. Rooms two D. Room Two

【解題點撥】 此題考查基數(shù)詞表順序時的特殊用法?；鶖?shù)詞一般放在名詞之后，且首字母要大寫。故答案為D。

2. 表示時間時，整點鐘用“基數(shù)詞 + oclock”表示，幾點過幾分用“分鐘數(shù) + past + 鐘點數(shù)”，幾點差幾分用“分鐘數(shù) + to + 下一鐘點數(shù)”。 例如：

(2007黑龍江哈爾濱市) —Its 7:45.

—Yes，its____ .

A. a quarter past seven B. a quarter to eight

C. fifteen past seven oclock D. seven fifteen oclock

【解題點撥】 此題考查時間表達(dá)法。表示鐘點過半要用“所差的分鐘數(shù) + to + 下一個鐘點數(shù)”。故答案為B。

三、考查基數(shù)詞的復(fù)數(shù)形式

ten，hundred，thousand，million，billion等詞單獨與of短語搭配使用時，可用其復(fù)數(shù)形式。例如：

(2007安徽蕪湖市) —How many people will come to Beijing next year？

—Its hard to say.____ people，I think.

A. Million of B. Millions of

C. Three millions D. Three millions of

【解題點撥】 句中空白處的數(shù)詞后面是表示復(fù)數(shù)意義的名詞people，所以該空應(yīng)該填Millions of。 故答案為B。

四、考查分?jǐn)?shù)的構(gòu)成形式

分?jǐn)?shù)詞的構(gòu)成方法：分子用基數(shù)詞，分母用序數(shù)詞。分子大于1時，表示分母的序數(shù)詞后面加-s。 另外還要注意下列特殊的表達(dá)形式： a half = one second (1/2)，one quarter = one fourth (1/4)，three quarters = three fourths (3/4)。例如：

(2007北京市) About____ of the books in our school library are written in Chinese.

A. four fifth B. four fifths

C. fourth fifths D. fourths fifth

【解題點撥】 此題考查分?jǐn)?shù)的表達(dá)法。題中的分子four大于1，表示分母的序數(shù)詞fifth后面應(yīng)加“-s”。 故答案為B。

五、考查序數(shù)詞的構(gòu)成及用法

1. 序數(shù)詞前面加定冠詞表示“第幾個人或物”，而序數(shù)詞前面加不定冠詞，則有“再一、又一”的含義。例如：

(2007四川廣元市) —Sandy，our son is 9 years old tomorrow.

—Oh，yes. We should have a party for his____ birthday.

A. nine B. ninth C. the ninth

【解題點撥】 表示“他的9歲生日”，其中的9應(yīng)該用序數(shù)詞表示。故答案為B。

(2007浙江衢州市) —Which floor does Mr Hu live on？

—He lives on____ floor.

A. tenth B. the tenth C. ten D. the ten

【解題點撥】 表示“第十層”應(yīng)該用the tenth floor。 故答案為B。

(2007天津市) Both of the two rulers are broken. I want to buy a____ one.

A. three B. third C. fourth D. ×

【解題點撥】 兩把尺子都斷了，我還要再買一把。言外之意，“我要買兩把尺子之外的第三把尺子”。所以答案為B。

2. 序數(shù)詞還可以用在形容詞最高級前面作修飾語。例如：

(2007山東濟(jì)南市) He is____ in our class.

A. the fourth tallest B. fourth tallest

C. four tallest D. the four tallest

【解題點撥】 句意為“他在我們班是第四個個子最高的同學(xué)”，句中的in our class是比較范圍，與之相搭配的應(yīng)為“the fourth tallest”。 故答案為A。

六、考查與數(shù)詞有關(guān)的詞語

1. 基數(shù)詞可與表示度量單位的詞連用。其詞序常為“數(shù)詞 + 量詞 + 形容詞”。例如：

(2007河南鄭州市) The river is more than____ .

A. twenty metre wide B. twenty metres wide

C. twenty metre of wide D. wide of twenty metre

【解題點撥】 表示物體或人體的“寬”、“長”、“深”時，應(yīng)該用“基數(shù)詞 + 量詞 + 形容詞”。基數(shù)詞超過“1”時，量詞為復(fù)數(shù)形式。故答案為B。

2. other，more置于數(shù)詞之后，another置于數(shù)詞之前，都表示“還；再”之意。例如：

(2006山東煙臺市) —Do you have enough students to carry the boxes？

—No，I think we need____ .

A. anotherB. two others

C. more two D. two more

【解題點撥】 another后面應(yīng)接所修飾的名詞或代詞，others不可位于數(shù)詞之后，more可位于數(shù)詞之后。故答案為D。

3. 表示“半個……”，可用 “half a/an + 可數(shù)名詞單數(shù)”。表示“幾個半……”，可用“基數(shù)詞 + and a half + 復(fù)數(shù)名詞”或“基數(shù)詞 + 可數(shù)名詞(單、復(fù))數(shù) + and a half”。 例如：

(2007湖北武漢市) Do you want to buy____ pork？

A. half kilo B. half a kilo

C. a kilo half D. a half kilo

【解題點撥】 half a kilo意為“半公斤”。故答案為B。

(2006浙江省) It took me____ to find out the key to the drawer.

A. one and half hours B. one and a half hours

C. one and a half hour D. one and half hour

【解題點撥】 一個半小時的表達(dá)方式為one and a half hours或one hour and a half。 故答案為B。

鞏固練習(xí)：

1.____ people were hurt in the accident.

A. Hundred of B. Hundred

C. Hundreds D. Thousands of

2. About____ men and women are in the square.

A. two thousand B. two thousand of

C. two thousands D. thousand of

3. There are 2，000 boys in this school，and____ them like playing football.

A. five hundred B. five hundreds

C. five hundreds of D. five hundred of

4. The old building was built____ .

A. in 1820s B. in the 1820

C. in the1820s D. in the 1820s

5. —Whats the time，please？

—Its____ .

A. half past nine B. half to nine

C. nine half D. half nine

6. You think your ruler is very long，but his is____ yours.

A. twice as long as B. three as long as

C. twice longer as D. once as longer as

7. It is a pity that one third of the milk____ spilt out of the small pot.

A. is B. are C. were D. come from

8. Half of the sheep____ Australia.

A. are from B. is from

C. comes from D. goes to

9. About____ of the students in the class are girl students.

A. three-fives B. three-fifth

C. three-fifths D. third-fifths

10.____ is eight.

A. Three plus four B. Ten minus two

C. Two multiplied by four D. B and C

Key： 1-5 DADDA 6-10 AAACD