Read the passage and then decide whether the statements that follow are True or False (1.0pt) People pollute the environment by throwing litter or garbage all over the places every day. They also dump empty bottles or cans into the rivers, lakes and seas, making the water unclean. They also cut a lot of trees to get wood pulp for making paper. To protect the environment, everyone should classify and put the garbage in a certain bag for making compost and they should recycle waste paper to avoid cutting a lot of trees. We can protect the environment by doing like that. We also should plant more and more green trees because trees help to hold the soil, prevent us from floods and give us fresh air and shade in summer. 27. In order to get fresh air we should cut down all the trees. 28. People should protect the environment to have good health. 29. We ought to give up everything when we don’t use it anywhere. 30. People make the environment unpolluted. Read passage again and choose the best answer (A, B, C or D) (0.5pt) 31. “classify” in the third line means: A. thrown away B. put something orderly C. bring D. send