数词[优质PPT]

四.数词的表示法 — 年代世纪
20世纪90年代 in the nineteen nineties in the 1990s
in one’s + 整十基数词复数 在某人几十岁时
在他50多岁时 in his fifties
1. There will be more chances in __ century than in __ century. A. twenty-one, twenty B. twenty-first, twentieth C. the twenty-first, the twentieth
4. He got the prize __. A. in his fifties B. in fifties C. in his fifty
四.数词的表示法 — 时间 表示在几点钟用介词 at
时间类型
表示法
例
读法
整点
基数词（+ o’clock) 1:00 one o’clock
﹤30分钟 分钟 + past +小时 2:10 ten past two
hundred and twenty-one
7,654,321
seven million,six hundred and fifty four thousand three hundred and twentyone
1,987,654,321 one billion nine hundred
and eighty-seven million,six hundred and fifty-four thousand three hundred and twenty-one
③ 月年 在2010年5月 in May, two thousand and ten
有日用 on 无日用in
1. The accident happened on___. A. April 5, 2001 B. 2001, April 5 C. April 2001, 5
2. I was born ___. A. in March 8, 1993 B. on July 9, 1994 C. on May, 1995
2. The city changed a lot ___. A. in 1980s B. in the 1980s C. in the 1980
3. He graduated in __ of __ century. A. the sixtieth; twenty B. sixty; the twentieth C. the sixties; the twentieth
三.基数词的用法
1.
数词 (several)+
hundred thousand (表示具体数字) million billion
2. hundreds
thousands
(表示概数)
millions
+ of
billions
ቤተ መጻሕፍቲ ባይዱ
some / many hundreds of
1. — If a = 3, b=4, what’s the answer to the problem, a+2ab+1=? — the answer is___. A. twenty eight B. twenty-eighth C. twenty-eight
sixth
one hundred and five
eighth ninth
one hundred and twentynine
nineteen
序数词
twelfth
twentieth twenty-first
fortieth one hundredth one hundred and fifth
one hundred and twenty-ninth
= 30 分钟 half + past + 小时 3:30 half past three
﹥30分钟
分钟逢15 即 一刻钟 简化法
（60-分钟） + to + （小时 + 1）
a quarter
按顺序读基数词
4:40 twenty to five
5:15 a quarter past five 6:45 a quarter to seven
2. In our school several __ students are able to search the Internet . A. hunderd of B. hunderds of C. hundred
3. Many __ sheep were killed in the accident.
nineteenth
二.基数词的读法
1、百位和十位间用 and 连接, 十位和个位间用 - 连接
321 three hundred and twenty-one
2、右往左数,三位一组,逗号隔开.依次是 thousand(千) million (百万) billion (十亿)
44,321 four thousand three
A. thousands of B. thousand C. thousands 4. There are over nine __ workers in the factory, but __ of young people hope to work in it. A. hundred; hundreds B. hundreds; hundreds C. hundreds; hundred
四.数词的表示法 — 年月日
① 月日年 在2008年10月1日 on Oct. 1st , 2008
on Octorber the first, two thousand and eight
月
日
（首字母大写） the + 序数词
月日与年之间 用 ，分开
年 （两位两位读）
② 月日 在8月9日 on August the ninth
Numerals
一.基数词、序数词 二.数词的表示法
一.基数词、序数词
基数词 one two three four five six
eight
nine
序数词
基数词
first twelve
second twenty
third twenty-one
fourth forty
fifth one hundred