单选题 F
How GREEN are you?
You should...
1. make sure that the paper and the glass you throw away will be kept in a proper place.
2. use a bike or walk when you travel short distance.
3. take a bus when you travel long distance.
4. use your own car less often.
5. turn off the lights when you leave a room.
You shouldn't...
1. throw things away if they can be reused, repaired or recycled.
2. turn on the lights when your room is still bright enough for you to work.
3. make too much noise.
4. throw wastes into a river.
5. use more water than you need.

单选题 Which of the following can we learn from the text?
A. We shouldn't travel long distance.
B. We should save water
C. We should often repair our cars.

单选题 What makes us LESS GREEN?
A. Keeping the lights on when we do not need them.
B. Using water when necessary.
C. Finding ways to reuse things instead of throwing them away.

单选题 What does "recycled" mean?
A. Made better.
B. Made fit to use again.
C. Made more important.

单选题 Why should we try our best to be green?
A. To have more trees.
B. To save our world.
C. To make us richer.