学进去

A. B. C. D. E.

F. G. H. I. J.
1．We drink water and use water to clean things every day. (         )
2．We should not drive so much because cars use a lot of energy. (         )
3．Trees help keep the air clean. (         )
4．We use plastic to make bags and bottles. (         )
5．We can walk to school. (         )
6．We should put the rubbish in the bins. (         )
7．We can plant more trees to keep the air clean. (         )
8．—What does the sign mean? (         )
—It means“No parking”.
9．We should use paper bags and glass bottles. (         )
10．—What are you going to do at Chinese New Year? (         )
—I'm going to light firecrackers.