一、基數(shù)詞“八注意”。

一)基數(shù)詞的讀法。注意：1，000以上數(shù)目的讀法：自右向左每三位劃一個(gè)分節(jié)“，”，第一個(gè)分節(jié)讀thousand, 第二個(gè)分節(jié)讀million, 第三個(gè)分節(jié)讀billion或thousand million ，且hundred, thousand, million等用單數(shù)形式。注意，百位數(shù)hundred與十位數(shù)(或個(gè)位數(shù))之間要用and連接。十位數(shù)與個(gè)位數(shù)之間要用連字符號(hào)“-”，如：52，368讀作：fifty-two thousand, three hundred and sixty-eight.

挑戰(zhàn)中考：( )1. –How long is the new bridge? Do you know ?

--Yes. It’s about _____.

A. one thousand one hundred and eighty meters

B. one thousand and one hundred fifty meters

C. two thousands one hundred forty meters

D. two thousands seventy and three meters

( )2. There are ____ days in a year.

A. three hundred and sixty-five B. three hundred and sixty five

C. three hundred sixty-five D. three hundreds and sixty- five

二)基數(shù)詞表計(jì)量。注意：基數(shù)詞表計(jì)量大于1時(shí)，它所修飾的名詞要用復(fù)數(shù)形式。如: two bottles of water (兩瓶水); three boxes of apples(三箱蘋果)。

挑戰(zhàn)中考：( )3. I’ve read ____ sports news about the F1 race today.

A. two B. pieces C. two pieces D. two pieces of

( )4. –Can I help you?

–I’d like ____for my twin daughters.

A. two pair of shoes B. two pairs of shoe

B. two pair of shoe D. two pairs of shoes

三)基數(shù)詞表番號(hào)(編號(hào))。注意：編號(hào)的事物如果數(shù)字較大，一般用基數(shù)詞表達(dá)，且放在編號(hào)的事物名詞之后。如：No.102 Middle School (102中學(xué));Room 206 (206房間)如果編號(hào)的事物數(shù)字不大，用序數(shù)詞表達(dá)，但它應(yīng)放在編號(hào)名詞之前。如：the first lesson (第一課)

挑戰(zhàn)中考：

( )5. Jack is now in _____.

A. the three grade B. Grade Third C. Grade Three

( )6. Now children, turn to page __and look at the __ picture in Lesson Two.

A. twentieth; one B. twenty; one

C. twentieth; first D. twenty; first

四)基數(shù)詞表時(shí)刻。注意：英語時(shí)刻表達(dá)法有兩種：一種是直接讀數(shù)字，先說鐘點(diǎn)數(shù)，后說分鐘數(shù)：另一種是先說分鐘數(shù)，后說鐘點(diǎn)數(shù)，中間要用past或to連接。即：1~30分鐘(含30分鐘)用“分鐘數(shù)+past+鐘點(diǎn)數(shù)”;31~59分鐘用“(60-分鐘數(shù))+to +下一個(gè)鐘點(diǎn)數(shù)”。如：

4:20 four twenty或 twenty past four 5:45 five fifteen或 fifteen to six或 a quarter to six

中考演練：( )7. --It’ 9:45. –Yes, It’s ____.

A. fifteen from ten B. a quarter to ten

B. fifteen past nine D. a quarter past ten

五)基數(shù)詞復(fù)數(shù)表歲數(shù)或年代。注意：表示“幾十”的基數(shù)詞的復(fù)數(shù)形式，可用來表示某人的大概歲數(shù)或年代。如：My uncle went to England in his twenties. 我叔叔在20多歲時(shí)去了英國。

又如：These eggs were found in the Gobi Desert by a group of scientists in the 1920s.這些恐龍蛋是20世紀(jì)20年代由一群科學(xué)家在戈壁沙漠發(fā)現(xiàn)的。

挑戰(zhàn)中考：( )8.During World WarⅡ, a Jewish(猶太的)lady was protected by a local family in Shanghai in her ___.

A. fifties B. fifty C. fiftieth D. the fiftieth

六)含基數(shù)詞的復(fù)合形容詞。注意：“基數(shù)詞+名詞(+形容詞)”構(gòu)成的復(fù)合形容詞作定語時(shí)，其中的名詞用單數(shù)形式。如：two-week holiday 兩周的假 ; an eighteen-metre-wide street 一條18米寬的街道

但注意它與名詞所有格形式作定語的區(qū)別。如：How far is it from your home to your school? It’s about ten minutes’ walk. 從你家到到學(xué)校多遠(yuǎn)?大約十分鐘路程。

挑戰(zhàn)中考：( )9. Bill said they would have ____ holiday.

A. a two-month B. two months C. two-months D. two month’s

( )10. Tim is _____ boy. He can say a few words.

A. an one-year-old B. a one-year-old C. an one-year old D. a one-year old

七)基數(shù)詞與“多少又一半”的表達(dá)。注意：“多少又一半”的表達(dá)有種方法：一種是“數(shù)詞+n.(單數(shù)或復(fù)數(shù))+and a half”;另一種是“數(shù)詞+and a half +n.復(fù)數(shù)”。如：“兩個(gè)半月”可譯為：two months and a half或two and a half months

中考演練： ( )11. I spent ______ in doing my homework yesterday.

A. a half and two hour B. two and a half hour

C. two hour and a half D. two and a half hours

八)hundred, thousand, million等表示大約數(shù)與確切數(shù)的區(qū)別。注意：基數(shù)詞表示具體數(shù)目時(shí)，hundred, thousand, million用單數(shù)形式。但在表示“數(shù)百”、“數(shù)千”、“數(shù)百萬”等不確切數(shù)目時(shí)，hundred, thousand, million要用復(fù)數(shù)形式，且后接“of +名詞復(fù)數(shù)”。如：

1. There are nine hundred and forty-seven students in our school. 我校有947個(gè)學(xué)生。

2. Thousands of students come to visit the Museum of Natural History every year.

每年有數(shù)千學(xué)生來參觀這個(gè)自然歷史博物院。

挑戰(zhàn)中考：

( )12. Nanjing is a city with many places of interest. _____ tourists come here every year.

A. Thousand of B. Thousand C. Thousands D. Thousands of

( )13. –How many people are there in Changsha?

--About six _____.

A. million B. millions C. millions of

( )14.—How many people will come to Beijing for the Olympic Games in 2008? --It’s hard to say. _____ people, I think.

A. Million of B. Millions of C. Two millions of D. Two million of

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