【文章內(nèi)容簡介】 oil and other chemicals on the ground. And they mustn’t use motorboats any more on the lake. All these may change people’s lives. Only then can Lake Ponkapog be a beautiful, clean lake again 1 In the past , the water in Lake Ponlapog was made clean by_________. A. forests B. rain C. birds D. fish 2. Chemicals from homes and businesses______ A. are always clean B. can help the animals C. are good for the lake D. get into the rainwater 3. Cleaner rainwater will mean ______. A. More boats on the lake B. More dirty things in the . a cleaner lake D. a dirtier lake 4. To save Lake Ponkapog, people need to _____. A. be more careful about chemicals B. use less water C. grow fewer plants in the gardens D. use more motorboats on the lake. 5. The passage is about _____. A. boats on the Lake Ponkapog B. why the water is dirty in Lake Ponkapog C. clean rainwater D. dirty lakes B “If you want to see a thing well ,reach out and touch it!” That may seem a strange thing to say. But touching things can help you to see them better. Your eyes can tell you that a glass ball is round. But by holding it in your hand, you can feel how smooth and cool the ball is. You can feel how heave the glass is. When you feel all these about the ball, you really see it. With your skin, you can feel better. For example, your fingers can tell the difference between two coins（硬幣） in your pocket. You can feel a little drop of water on the back of your hand , too. All children soon learn what “Don’t touch ”means. They hear it often. Yet most of us keep on touching things as we grow up. In shops , we touch things as we might buy: food, clothes. To see something well, we have to touch it There are ways of learning to see well by feeling. One way is to close your eyes and try to feel everything that is touching your skin. Feel the shoes on your feet, the clothes on your body, the air on your skin. At first, it is not easy to feel these things. You are too used to （習(xí)慣于） them. Most museums are just for looking. But today some museums have some things to touch. their signs say, “Do touch!” There you can feel everything on show. If we want to see better, reach out and touch. Then you will really see! 1. By touching things,______. A. you will have a strange feeling. B. you will learn how to reach out your hand. C. you can tell what the difference of the things. D. you can tell what color they are 2. When people buy things in shops, they often_____. A. try them on first. B keep their right hands on them. C. ask about them D. Feel and touch them. 3. Why does it say “At first ,it is not easy to feel these things?” Because ________ A. the things are used by people ,too. B. people feel the things too often know how to use the things. D. the things are easy to fee 4 Which of the following is true? A. Touching is more important than seeing B. Our feet , fingers , hands and skin can help us buy food.. C. People have to learn to see by feeling as they grow up D. Visitors can feel the things on show in some museums. 5. Which of the following can be the best ti