A. Soil pollution. B. Water pollution. C. Air pollution. D. Sound pollution. 2. A. It is more polluted. B. It has fewer cars. C. It has clean air. D. It has less industry. 3. A. Industry. B. Cars. C. Fuel consumption. D. Smoking. 4. A. Stricter anti-pollution law. B. Shutdown of factories. C. Control of cars. D New fuels. 5. A. It calls for an international response. B. It should be solved country by country. C. The number of cars should be controlled. D. Nothing can be done about it.