高考专题复习数词PPT课件

three quarters)。表达二分之一时通常用
one half或a half表示。
3. There are over _____ students in
their school.
A. hundreds
B. nine hundreds
C. hundreds of
D. nine hundred
【解析】当基数词与hundred, thousand,
came to Guangzhou for a visit during
holidays.
A. thousand
B. thousands of
C. five thousands D. thousand of 【解析】 当hundred, thousand, million, billion后面加-s并与of 连用时，意为“数 以……计的”，表达的是约数的概念，前 面不能再加具体的数字。
10:10
ten past ten
8:20
twenty past eight
b. 表示“几点差几分”, 半小时以上, 介词 用 to, 60减原分钟+ to + (下一个)钟点数。 9:50 ten to ten 7:40 twenty to eight
3)15分钟：a quarter 30分钟：a half 9:15 a quarter past nine 12:30 half past twelve
In the nineties, most people go to work by bike. ③“基数词+名词” 的合成形容词作定语, 中间 有连字符“－”,当中的名词用单数。
a 3 – year – old girl a seven-day holiday ④表计量— “基数词+度量单位+形容词”
Our country has a population of 1,300 million people.
After the war, thousands of people became homeless.
②“几十”的复数形式可以表示： 几十多岁 — in + one’s + 数词复数 年 代 — in + the +数词复数 He died in his forties．
The classroom is 7 meters long, 6 meters wide and 3 meters high.
⑤ 表示时刻 (介词用at)
1)顺读法—先时后分,“几点几分”
9:30
nine thirty
6:21
six twenty-one
2)逆读法—先分后时
a. 表示“几点过几分”,半小时以内, 介词用 past, 分钟数+past +钟点数。
序数词的构成
① 1－3, first, second, third 。 ② 4－19, 相应基数词+th,
基数词的构成
①1－12,独立成词。
one two three four five six seven eight nine ten eleven twelve
②13-19,由3－9 + teen构成。
14–fourteen
16–sixteen
17–seventeen
19–nineteen
特殊拼写:
高考英语语法复习： 数词
Yoyo
表示数目和顺序的词叫数词。
基数词 数量
数 词
序数词 顺序
1. — If a = 4, b = 5, what’s the answer to the question “a + 2ab + 1=?”
— _____.
A. Forty-fifth
B. Forty-five
分开,分别读为thousand , million, billion 。
and
6 , 500 , 431 , 7 29
hundred
billion million thousand
基数词的用法
① 表示具体数目,hundred, thousand, million 不用复数。表示不确定数目,用复数。即 hundreds of(数百), thousands of(数千), millions of(数百万)+ 名词复数, 可以用 many/several修饰，但不能与具体数目连用。
million, billion连用，表示具体的“几百、 几千、几百万、几十亿”时，这些词后不
加-s。如：two hundred books, three
thousand trees, four million people, five
billion seconds。
4. After the Asian Games, _____ people
13– thirteen 15–fifteen 18–eighteen
③20－90,以-ty结尾。
20—twenty
30 —thirty
40—forty
50—fifty
60 —sixty
70 —seventy
80 —eighty
90—ninety
④21－99,两位数,十位与个位之间“－”。
21 twenty—one 55 fifty—five
C. Twenty-three
D. One hundred and twenty-one
【解析】基数词表示人或事物的数量， 而序数词表示人或事物的次序。
2. — There are 60 students in my class
and 44 of them use weibo very often.
— 44? That means about _____ of
your classmates are weibo users, right?
A. half
B. one third
C. two thirds
D. three quarters
【解析】表达分数时，分子用基数词，分
母用序数词；分子大于1时，分母要在序数 词后面加-s。在表达四分之几时，要用 quarter与基数词搭配来表示(如：四分之三
99 ninety—nine
Hale Waihona Puke ⑤ 101—999，三位数，百位与十位/个位之间加
and。 101 one hundred and one 840 eight hundred and forty 693 six hundred and ninety-three
⑥ 1，000以上数目,从右向左每三位用“，”