Unit13 We're trying to save the earth 第二课时 SectionA（3a—4c）习题课件

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第二课时　Section A（3a—4c）
Unit13　We’re trying to save the earth!
THANK YOU
必
●
I、根据句意及首字母或汉语提示完成单词。
1.Don't be
cruel
(残忍的)to animals.
They're human's friends.
2.According to the
scientific
(科学上的)
studies,people should do exercise as often
as possible.
3.Our government has made the 1
aws
to
stop driving after drinking.
4.Heavy
industry(工业)has been
developing well in the country in the past
twenty years.
5.The poor parents can't afford
(承担得
to send their children to college.
Ⅱ、用所给单词的适当形式填空。
6.Things that are
reusable
(reuse)can be
used more than once.
7.This is
an
endangered
danger
animal.We should try to save it.
8.Hainan is in the
southern (south)part
of China.
9.Smoking is
harmful
(harm)to your
health.You must give it up.
10.The house is really expensive.I can't
afford
to buy
(buy)it.
Ⅲ、单项选择。
11.-The plastic bags are
to the
environment.We should avoid
them in our daily lives.
-Yes,you are right.
A.useful;using
B.painful;to use
C.awful;to use
D,harmful using
13.In our city,the number of teachers
about 2,000,but only
of them are men teachers.
A.is;seven hundreds
B.are;seven hundred
C.is;seven hundred
D.are;seven hundreds