阅读理解： Skin-diving is a new sport today. This sport takes you into a wonderful new world. It is like a visit to the moon! When you are under water, it is easy for you to climb big rocks, because you are no longer heavy. Here, under water, everything is blue and green. During the day, there is enough light. When fish swim near by(附近), you can catch them with your hands. When you have tanks (罐子) of air on your back, you can stay in deep water for a long time. But you must be careful. To catch the fish is one of the most interesting parts of this sport. On the other hand, you can clean the ships without taking them out of the water. You can get many things from the deep sea. Now you can see that skin-diving is both useful and interesting. 1. Skin-diving can take you to _______. [     ] A. the moon B. mountains C. the sun D. the deep sea 2. You can climb big rocks under water because _______. [     ] A. you are stronger B. the fish can help you C. you are not as heavy as on the land D. there is a lot of light 3. A skin-diver _______ under water in the day. [     ] A. can see everything clearly B. can't see anything clearly C. can see nothing D. can see only fishes 4. With a tank of air on your back, you can _______. [     ] A. catch fish very easily B. stay under water for a long time C. be in safe place D. have more fun 5. Which of these sentences is NOT TRUE? [     ] A. Skin-diving is a new sport. B. Skin-diving is like visiting the moon. C. The only use of skin-diving is to have more fun. D. Skin-diving is both interesting and useful.