数词和冠词课件

答案：D。该题考查的是数词 的用法。Nine hundred是一 个具体的数量，这是数词不能 用复数形式，后面也不能加of。 所以应选D。
【中考演练】
1. It is said that SARS has D killed more than ___ people . A. three hundreds B. three hundreds’ C. three hundred’s D. three hundred
5. Li Mei often gives us some good information by the e-meil. by
6. We’ve planted two hundreds hundred trees in the centre of our city this year.
7. Five million of dollars is a lot of money.
one-first two-second three-third five-fifth eight-eighth nine-ninth twelve-twelfth
(4) 表示年，月，日时， 年用基 数词表示，日用序数词表示。
1949年十月一日读作: October
(the) first, nineteen sixty
2. -How many workers are there in your factory? B -There are two ___. A. hundreds B. hundred C. hundred of D. hundreds of
3. -Which is the smallest number of the four? C -____. A. Two-thirds B. A half C. A quarter D. Three-fourths
定冠词用法
(4) 表示世界上独一无二的事 物。例如： The sun rises in the east and sets in the west.
数词的用法
数词分基数词和序数 词。基数词表示数目， 序数词表示顺序。

基数词的用法
(1) 基数词在句中主要用作主语、 宾语、定语、表语、同位 语， 例如：
Thirty of them are Party members.（主语） - How many would you like？ - Three, please．(宾语)
9. ___ Chinese are D looking for ways to learn English well before Beijing 2008 Olympics. A. Thousand B. Thousands C. Thousand of D. Thousands of
10. Both of the two rulers are broken. I want to buy a ___one. B A. three B. third C. forth D. /

基数词的用法
Our country has a population of 1,300 million people. (表示具体数字) We have planted millions of trees in San Bei.
(表示不确定数字)
基数词的用法 After the war, thousands of people became homeless. (表示不确定数字)
定冠词用法
(2) 指说话人和听话人都熟悉 的人或事物。例如：
Open the door, please. Jack is in the library.
定冠词用法
(3) 上文提到过的人或事物。 例如： Yesterday John’s father bought him a new bike. The bike cost him 200 yuan.
(2) 序数词有时前面可加不定冠 词来表示“再一”，“又一” 这 样的意思，例如：
We'll have to do it a second time． Shall I ask him a third time？
When I sat down，a fourth man rose to speak．
(3）由几个序数词和基数词在拼 写时不对应，很容易写错， 应特别注意。它们是：
three fifth 10. Over three fifths of the world’s books and newspapers are written in English.
冠词的用法 冠词是虚词，放在名词之前， 用来说明名词指的人或事物。 冠词有两种 a (an)不定冠词; the 定冠词 a 用在辅音之前，an 用在元 音之前。
5. We all think that the A __ century will bring us more hopes. A. twenty-first B. twentieth-first C. twenty-one D. twentieth-one
6. -Can you write the number eighty-five thousand, six hundred and twenty-six? B -Yes, it is ____. A. 856620 B. 85626 C. 58662 D. 58626

There are three thousand students in our school.
(表示具体数字)
(3)基数词中表示“几十”的 复 数形式可以表达人的岁数 或年代 He is in his late thirties．
他快满四十了。
Βιβλιοθήκη Baidu
He died in his forties． This took place in 1930s．
(4) 表示时刻用基数词。 We get up at six. The workers begin work at eight.
表示“几点过几分”，用介词 past, 但须在半小时以内。
ten past ten 10:10
a quarter past nine 9:15
half past twelve 12:30
They go to see their parents once a week.
定冠词用法 (1) 特指某（些）人或某(些) 事物。例如： The book on the desk is an English dictionary. Beijing is the capital of China.
first→1st second→2nd third→3rd fourth→4th twenty-second→22nd thirty-first→31st fifty-third→53rd
【实例解析】
1 About ___ students in A our class can describe that place in English. A. three-fifths B. three-fifth C. third-five D. third-fifths
表示“几点差几分”用介 词 to, 但分数须在半小时以 上。 twenty to nine 8:40
five to eight
7:55 a quarter to ten 9:45
表示“几点几分”还可直接用 基 数词。
seven fifteen 7:15
= a quarter past seven
句子改错： 下面各句画线部分中有一 处错误，请指出并改正。
1. May is the fifth month a of the year.
2. The film has been on for half an hour. a
3. The boys and the girls often play the footplay ball in the afternoon. 4. It’s going to rain. Why not take an umbrella a with you?
8. There are thousands thousand of children in the park now.
9. By the end of the twenty twentieth century, the world population had passed six billion.
答案：A。该题考查的是分数 的表示法。分子用基数词表示， 分母用序数词表示。分子大于 1时，分母应加-s，因此应选 A。
D 2. Nine __ pounds a week? That’s very good. A. hundred of B. hundreds of C. hundreds D. hundred
不定冠词的用法 (1) a和an均用在单数名词之 前，表示某一类人或事物。 例如： John is a student. Mary is an English teacher.
(2)指某一类人或事物中的任 何一个。例如:
A steel worker makes steel.
Pass me an apple, please.
eleven thirty 11:30
nine forty
= half past eleven
9:40
= twenty to ten

序数词的用法
(1）序数词主要用作定语，前面 要加定冠词，例如：
The first truck is carrying a lot of baskets．
John lives on the fifteenth floor．
(3) 指某人或某物，但不具体 说明何人或和物。例如： A student wants to see you. A girl is waiting for you outside.
(4) 表示“每一”的意思，相 当 于every。例如：
Take the medicine three times a day.
4. -What do you think of a war, Li Ming? -I’ve no idea. But it’s a fact that ___people had B to leave their hometown during the War on Iraq. A. three thousands B. thousand of C. thousands of D. several thousands
2004年九月十日读作：
September (the) tenth, two thousand and four
(5) 表示分数时，分子用基数词表 示，分母用序数词表示。分子 大于1时，分母加-s。
three fourths 3/4 one second 1/2 two fifths 2/5
（6）序数词有时用缩写形 式：

基数词的用法
The nine boys are from Tianjing. （定语）
Six plus four is ten. （表语） We four will go with you. （同位语）

基数词的用法
(2) 表示一个具体数字时， hundred, thousand, million 一律不用复数； 在表示一个不确定数字时 则用复数。例如：
7. -When was the PRC founded? -It was B founded on ___. A. July 1, 1921 B. October 1, 1949 C. August 1, 1927 D. May 1, 1922
8. I was 8 years old when my father was 31. This year my father is twice my age. How old am I? A. 21 B. 22 C. 23 D. 24