专题四

学前自测（发现考点）

数词

( )1. ____ people are sending and receiving text messages.

A. Million of B. Several million of C. Millions of

D. Several millions

( )2. Before the new year, ____ people went to visit the flower market.

A. thousands of B. 8 thousands of

D. thousand of

( )3. It's my daughter's birthday today. She's ____ years old.

A. eighteen B. eighteenth

D. the eighteenth

( )4. —Is it far from your home to school? —Not very far, only ____.

A. 15 minute's rides B. 15 minutes' ride

D. 15 minutes' rides

( )5. Time isn’t enough for me. Can you give me ___?

A. two another minutes C. another minutes two

B. more two minutes D. another two minutes

C. 15 minute's ride C. the eighteen C. 8 thousand of

( )6. Each year ___ sharks are killed worldwide for their fins(鱼鳍).

A. million of B. millions of

D. four millions

( )7. It's about ____ walk from my home.

A. ten minute B. ten minutes'

D. ten-minutes

( )8. The old man has ___ sons. Deal is the ___ one.

A. three; two B. three; second

D. third; second

( )9. This classroom is ____ ours.

A. three times big as C. three times as big as

B. as three times big as D. as big three times as

C. third; two

C. ten minute's

C. many millions

( )10. The basketball team of our school ranks ___ in the match.

A. three

常考考点知识清单（研习考点） 考点一 基数词的用法及读法

B. third C. the three

D. the third

1. 基数词的构成及读法 基数词 1 ~12 构成及读法 1 ~12 的基数词为特定的独立单词 例词 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve 13 ~19 13 ~19 的基数词皆以-teen 结尾,单词中的两个音节都读重音 20 ~90 20 为 twenty。 30 ~90 之间的整十thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen twenty, thirty, forty, fifty, sixty, 基数词皆以-ty 结尾,第一个音节重读 seventy, eighty, ninety 注意:1. 21 ~99 之间的各非整十数词须在十位与个位之间加连字符“-”。 如:32 thirty-two 2. 读数字时,百位和十位之间、百位和个位之间加 and。 如:134 one hundred and thirty-four; 106 one hundred and six 英语中的“万”“亿” 其他数词 1000 以上的数字,从后向前数,每三位加“,”。 第一个“,”前为 thousand,第二个“,”前为 mil-lion,第三个“,”前为 one billion 或 one thousand million。 每一节从左到右按百、十、个的顺序表示。 如:243, 621, 304, 782 读作:two hundred and forty-three billion, six hundred and twenty-one mil-lion, three hundred and four thousand, seven hundred and eighty-two 其他数词 注意:hundred, thousand, million, billion 表示确定的数目时不用复数形式。 后面跟名词时,名词需用复数形式;如果这四个基数词后面跟 of 表示概数,则此四个基数词必须用复数形式。 如: thousands of 成千的 巧记: hundred, thousand 和 million 等,有时含糊有时清;清时两无(无 s 和 of),含糊时两有(有 s 和 of)。

2. 基数词的用法

英语中的“万”用十千表示,“亿”用百个百万来表示 forty thousand 四万;two hundred million 两亿 (1) 基数词在句中可用作主语、宾语、表语和定语。

Twenty of them are Young Pioneers. 他们当中有二十个是少先队员。 (2) 用于名词之后表示顺序编号。

Please open your books and turn to Page 28. 请打开书翻到第 28 页。 (3) 基数词可表示年份、时间(钟点)、电话号码、年龄等。 I was born on July 12, 1989. 我出生在 1989 年 7 月 12 日。 (4) 表示“世纪年代”,用“in + the +基数词复数”。 in the 1990s 在 20 世纪 90 年代

(5) in one's+整十的基数词复数表示“在某人……多岁时”。 The old woman is in her nineties. 这位老太太九十多岁了。

(6) “数词+连字符+单数名词”或“数词+连字符+单数名词+连字符+形容词”构成复合形容词作定语。

We have a seven-day holiday in October. 在 10 月我们有一个 7 天的假期。 She is an eight-year-old Chinese girl. 她是一个 8 岁的中国女孩。

考点二 序数词的构成及用法 1. 序数词的构成及读法 范围 1 ~3 4 ~19 20 ~90 特点 特殊记 在大多数基数词末尾直接加-th 八去 t,九减 e, f 来把 ve 替 把基数词后面的 y 变为 i 再加-eth 21 以上的多位数 巧记: 基数词变序数词的口诀 基变序,有规律,一、二、三特殊记,结尾各是 t, d, d,八去 t,九减 e, f 来把 ve 替,整十变 y 为 ie,若是见到几十几,只变个位就可以,排列顺序不费力,连字符号莫丢弃。 巧学妙记加努力,hundred 是你的好成绩!

2. 序数词的用法

(1) 序数词在句中可用作定语、主语、宾语和表语,前面要加定冠词 the。

个位数用序数词,其余用基数词 twenty-first, one hundred and sixty-eighth 例词 first, second, third fourth, seventeenth eighth, ninth, fifth, twelfth twentieth, ninetieth