一、根据句意及首字母提示完成单词
1. We should try to r______ all the reusable things.
2. It's a good habit to t______ off the light when leaving the house.
3. We are supposed to r______ bikes to work as much as possible.
4. I never use paper n______ while eating.
5. We have already s______ using plastic bags when shopping.

1.recycle 2.turn 3.ride 4.napkins 5.stopped

1. This kind of knives ______ metal and wood.

A.are made up of
B.is made of
C.are made from
D.is made

B

2. Basketball is so popular a game in the world that ______ people play it for fun and exercise.

A.million of
B.millions of
C.millions
D.two millions of

B

3. Don't ______ while eating. It can make a difference to save our earth.

A.have vegetables
B.use paper napkins
C.have fruits
D.use forks

B

4. To protect the environment, people are supposed to ______ some waste things.

A.receive
B.recycle
C.reflect
D.review

B

5. The shower is still on. Please go to ______.

A.turn off them
B.turn them off
C.turn off it
D.turn it off

D

 三、补全对话,每空一词
A：Hi,Mike! How did you get here?
B：By train.
A：Did you 1. e______ your train trip?
B：Yes,but one thing annoyed me.
A：What 2. h______?
B：On the train,I found a woman 3. e______ bananas. After eating,she 4. t______ the banana skins away.
A：What did you do then?
B：I told her what she had done was not right.
A：Yes,you were right. To 5. s______ with,it would pollute the environment. Secondly,the banana skins could make it 6. e______ for people to fall down.
B：I agree with you.
A：What did she do 7. t______?
B：She didn't take my words 8. s______ at all.
A：No wonder you are so 9. a______. Everyone should do something to take 10. c______ of the environment.

1.enjoy 2.happened 3.eating 4.threw 5.start 6.easy 7.then 8.seriously 9.angry/annoyed 10.care