内容正文:
xingrongci
数词
数词
基数词
序数词
分数
小数
百分数
一.基数词
one ,two, three, four, five, six, seven, eight, nine, ten, eleven, twelve…….
基数词的用法:
1. 表示数量
两百
三千
四百万
五十亿
two hundred
three thousand
four million
five billion
基数词的用法:
1. 表示数量
成百上千
成千上万
数百万
数十亿
hundreds of
thousands of
millions of
billions of
2. 表示世纪年代
在18世纪20年代
在19世纪40年代
在20世纪70年代
in the1720s
in the 1840s
in the 1970s
in the+基数词的复数
3. 表示在某人几十几岁的时候
在我二十几岁的时候
在他三十几岁的时候
在她四十几岁的时候
in my twenties
in his thirties
in her forties
in one’s+基数词的复数
4. 用于名词后表示顺序编号
第五页
第八课
第二排
四班
八年级
308房间
68中
Page Five
Lesson Eight
Row Two
Class Four
Grade Eight
Room 308
No.68 Middle School
5. 表示次数和频率
一次
两次
三次
一周一次
一个月两次
一年四次
once
twice
three times
once a week
twice a month
four times a year
基数词
one
two
three
four
five
six
first
second
third
fourth
fifth
sixth
seven
eight
nine
ten
eleven
twelve
seventh
eighth
ninth
tenth
eleventh
twelfth
序数词
序数词
thirteen
fourteen
twenty
forty
fifty-one
sixty-five
thirteenth
fourteenth
twentieth
fortieth
fifth-first
sixty-fifth
基数词
一、二、三,单独记;
八去t, 九除e, ve要用f替,
整十基数变序数,先把ty变成tie;
要是遇到两位数,十位基数个位序。
口诀:
二.序数词的用法:
1. the+序数词 表示第几……
第二所学校
住在三楼
在二十一世纪
the second school
live on the third floor
in the 21st century
2. 形容词性物主代词+序数词
表示某人的第几……
我的第一个老师
他的第五本书
你的第四个理由
my first teacher
his fifth book
your fourth reason
3. the+序数词 第几……
a/an+序数词 又一个,再一个
I have eaten three apples. Can I eat a third one?
我已经吃了三个苹果了。我还能再吃一个吗?
4. 表示月份和日期
12月10号
写法:December 10th
读法:December the tenth
the tenth of December
1/2
1/3
1/4
1/5
1/9
one second
one third
one fourth
one fifth
one ninth
三.分数及分数的表达
2/3
3/4
4/5
5/6
7/9
two thirds
three fourths
four fifths
five sixths
seven ninths
分数
one third
two thirds
基数词
序数词
当分子大于等于2的时候,分母要加上s
0.1
1.2
3.54
6.25
zero point four
one point two
three point five four
Six point two five
四.小数及小数的表达
10%
25%
40%
ten percent
twenty-five percent
forty percent
五.分数及分数的表达
考点解析
1._____ of the land is covered with trees and grass the park.
A. Three fives B. Three fifths C. Three fifth
2. September is _____ month of the year.
A. ninth B. nine C. the nine D. the ninth
B
D
考点解析
3. -How was your day off yesterday?
-Perfect! It was my grandma's ________ birthday. We had a big cake.
A. eighty B. eightieth C. the eightieth
4.Please write down the new words in ________.
A. Lesson Eleven B. the Lesson Eleven
C. Lesson Eleven
A
B
5.Our summer holiday is coming. Two ________ the students in our school will go to the beach.
A. hundred B. hundreds
C. hundred of D. hundreds of
6. There are _________ doctors and nurses working hard in that hospital.
A. thousand B. two thousand of
C. two thousands D. thousands of
D
A
7. Both of the two rulers are broken. I want to buy a _____ one.
A. three B. third C. forth D. 不填
8.About ________ of the students in Grade N ine this year were born in the ________.
A. three five; 1996 B. three fifths; 1990s
C. third fifth; 1997 D. third fifths; 1990s
B
B
9.Two thirds of his works were written in his________.
A. fifties B. fifty C. fifties
10.—When is Children's Day?
—It's ________.
A. June 1th B. One June
C. the June first D. June 1st
A
D
Thank you!
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