----- Nội dung ảnh ----- 1. water ___ 2. Students should learn some practical ways that help to ___ pollution. A. save B. cure C. reduce D. shorten 3. ___ Before B. After C. As soon as D. Until 4. People think that global warming ___ lots of problems in the future. A. causes B. is causing C. will cause D. has caused 5. We saw many beautiful birds while we ___ in the lake. A. fished B. would fish C. are fishing D. were fishing 6. Environmental protection refers to activities that ___ or restore the quality of the environment. A. maintain B. participate C. concentrate D. involve 7. Public education is probably the most important activity in wildlife ___. A. conservation B. prevention C. treatment D. stopping 8. The environment won’t help us if we ___ it. A. annoy B. worry C. alarm D. disturb 9. ___ by the 3Rs? - They are Reduce, Reuse, and Recycle. A. What are B. What do you mean C. When do you use D. What does it stand IV. Circle A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions. 1. If we want to save the environment, we need to stop using so much energy. A. We won’t save the environment unless we stop using so much energy. B. We want to save the environment if we need to stop using so much energy. C. Using so much energy, we want to save the environment. D. We need to stop using so much energy when we can save the environment. 2. It was not until midnight that the noise next door stopped. A. The noise next door stopped before it was midnight. B. The noise next door only stopped at midnight. C. The next-door neighbours made noise after midnight. D. I wanted the noise next door to stop before midnight. 3. They travelled across India, and then flew on to Japan. A. They travelled across India as soon as they flew on to Japan. B. After flying on to Japan, they travelled across India. C. They didn’t travel across India until they flew on to Japan. D. After travelling across India, they flew on to Japan. 4. My father rides his bike to work every day to help protect the environment. A. My father rides his bike to work and to help protect the environment. B. My father rides his bike by helping protect the environment. C. My father rides this bike to work every day, my father helps protect the environment. D. To go to work by bike every day, my father goes to work by bike every day. 5. To help protect the environment, my father goes to work by bike every day.
