rtpi序数词讲解与训练

2021年1月20日发(作者：岳家军)





















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数词讲解与训练（一）

序数词的常用法：序数词译为第
…,
序数词前一般要用定冠词
the
常考点：

1. the second/third…+
最高级

The Yellow River is the second longest river in China.
’s +
序数词
+birthday
表示某人的多少岁生日

We attended Jim’s fifteenth birthday party yesterday.

3.
a
second/third…
time

a
second/third…try
/n
表示又一次，再试一
次，再一
…
等等


Let
me
have
a
second
try.
You
foget
to
turn
off
the
lights a second time. I have had a bowl of soup. I want a second bowl.
4.
表示楼层


He lives on the twelfth floor.

5.
在
every third year=every three years
等类似短语中

注意不用
the
6.
在分数中

分母用序数词

分子超过一

序数词加
s
:
a/one
half

a/one
third


three
fourths/quarters


three
fifths
但是百分数不加
s:


twenty
percent

另外分数百分数加
of
跟名词

整个短语由名词决定
动词单复数

7.
表示日期


June 8
读作
June the eighth or June eighth
8. 0.5/1.5/2.5/3.5…
小时的表达法


half an hour

one and a half hours =one hour and a half

two and a half hours =two hours and a half

three and a half hours =three hours and a half

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数词练习题：

1. Bob bought five ______yesterday.


A.
five-jiaos
stamp

B.
five- jiaos
stamps

C.
five-jiao
stamps

D.
five jiao-stamp
2. Mr. Smith has an______daughter.
A.
eight
years
old

B.
eight-year-old

C
.
eight
year
old

D.
eight-years-old
3. Mary had learned _____English words by the end of last term.
A.
four
hundreds

B.
four
hundreds
of


C.
four
hundred
of

D.
four
hundred
4. The computer of today can work ______than those early ones.
A.
hundred
of
times
faster

B.
a
hundred
time
faster

C.
hundreds
of
time faster

ds of times faster
5. You took up _____of an empty seat.
A. three-fourths

B. third
–
fourths

C. three-four

D three-fourth
6. There are _____in this building. I live on______.
A. nine floors, ninth floor

B. nine floor, the nineth floor

C. the nine
floors, the ninth floors, the ninth floor
7. We are going to learn______.
A.
the
Lesson
Three

B.
The
Three
Lesson

C.
the
Third
Lesson
D.a
Third Lesson
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