Unit 3
Ⅰ．用所给单词的适当形式填空
1．There are many ______（environment） problems in the world now．
2．Every class collects______（reuse）waste．
3．Do you care about______（protect）our earth?
4．We must be ______（care）about the young trees．
5．The old man has been seriously ill for a long time and will be______（hope）．
Ⅱ．单项选择
1．It was ______ weather that they decided to go out for a picnic．
A．such fine B．such a fine
C．so fine D．so fine a
2．I want to buy a desk ______ of wood．
A．make B．made
C．was made D．is made
3．Eating more vegetables is good ______ your health．
A．to B．at
C．with D．for
4．______ this way，we can cook delicious meat．
A．On B．In
C．By D．With
5．—Do you know when they ______？
—I'm not sure．I will call you when they ______．
A．come back；come back
B．will come back；will come back
C．will come back；come back
D．come back；will come back
6．In China it is a custom to give kids lucky money______ during the Spring Festival．
A．finally B．luckily
C．simply D．especially
7．Everybody should remember it is not ______ to swim in the river alone．
A．healthy B．safe
C．possible D．comfortable
8．Stay away from junk food，please．It's bad for us，______ for children!
A．recently B．especially
C．probably D．nearly
9．—I'm really ______ before the exam．
—Take it easy．You're the best．
A．surprised B．nervous
C．comfortable D．confident
10．When an earthquake happens，and you are outdoors，you should go to an open area as______as possible．
A．quickly B．quietly
C．loudly D．slowly
Ⅲ．同义句转换
1．It is not possible to clean up the river in two days．
______ ______ to clean up the river in two days．
2．It is full of hope for the team to win the match．
It ______ ______ for the team to win the match．
3．You know the paper can be used again．
You know the paper can ______ ______．
4．We all hope that the project will be a success．
We all hope that the project will ______ ______．
5．Drinking polluted water is not healthy．
Drinking polluted water ______ ______．
