听短文回答问题。. 1. How many kinds of pollution are mentioned in this passage? A. Three. B. Four. C. Five. 2. What will create air pollution? A. Using Chemicals. B. Putting rubbish into the land. C. Burning gas, oil and coal. 3. What can air pollution cause? A. It can cause breathing problems. B. It can make much litter. C. It can make people deaf. 4. What kind of pollution may cause high blood pressure? A. Air pollution. B. Noise pollution. C. Light pollution 5. What does the speaker want to tell us? A. To tell us there are many kinds of pollution. B. To tell us what is pollution. C. To tell us to protect our environment.