一、词汇运用
1. We can buy (二手的)books to save paper and money.
2. This toy car doesn't work because its (电池)are dead.
3. Too many old (电子的)products will pollute the soil if not dealt with well.
4. We are (了解清楚)about the time of our English test next week.
5. When the wind comes, all the (海鸟)fly back to their homes quickly.
6. If there is no (电), most of our daily machines will stop working at once.
7. The strong wind caused a lot of (损坏)to the trees in the park last night.
8. I carelessly (使……碎)the plate into many small parts this morning.

1. second-hand 2. batteries 3. electronic 4. clear 5. seabirds
6. electricity 7. damage 8. broke

二、单项选择
()1. There are many ways to go green. For example，we can save paper using both sides of it.

A.with
B.by
C.as
D.for

1.B

()2. — After the sports meeting，there are so many water bottles in the dustbin.
— Our club will start a project to collect them so that they will be .

A.replied
B.recycled
C.reduced
D.returned

2.B

()3. All the students into four groups to do a survey next Sunday.

A.are separated
B.will separate
C.separate
D.will be separated

3.D

()4. In some places，the river is harmful chemicals.

A.filling with
B.fill of
C.filled with
D.full with

4.C

()5. — We must act now because time is . — OK，let's start.

A.coming out
B.giving out
C.cutting out
D.running out

5.D

()6. — Now，3D printing can be used to a house in less than 24 hours.
— It's amazing. But I'm not used to in a house like this.

A.build；live
B.building；living
C.building；live
D.build；living

6.D

()7. Please don't stand up in class until you .

A.were told to
B.are told to
C.were told
D.will be told

7.B

()8. — You'd better not eat too much salt. It's bad for your health. — .

A.Not at all
B.You're welcome
C.It doesn't matter
D.Thanks for your advice

8.D

三、动词填空
1. Everyone should be aware of (reuse)daily things instead of throwing them away easily.
2. How boring it is for us (watch)such a stupid movie!
3. — When your father's e-car (buy)? — In 2025.
4. He won't get there on time if he (not leave)earlier tomorrow.
5. Something must be done as soon as possible (improve)their daily lives.
6. — Look! Someone (turn)off the lights. — It wasn't me. I didn't do it.
7. If people run red lights，they (fine)according to the traffic law.
8. — I phoned you yesterday morning，but you were not in.
— We (fish)by the river.

1. reusing 2. to watch 3. was; bought 4. doesn't leave 5. to improve
6. has turned 7. will be fined 8. were fishing