1. Environmental groups want a total prohibition _________ the dump of nuclear waste. A. for B. on C. about D. with 2. Careful _________ for the exam is necessary. A. prepare B. prepared C. preparation D. to prepare 3. If we plant more trees, well _________ our planet greener. A. do B. work C. give D. make 4. If we turn off the computer when we dont use it, well save a lot of _________. A. electric B. electricity C. electrical D. electrician 5. If more people cycle, there will be __________ air pollution. A. much B. more C. less D. little 6. Which of the following cannot be recycled? A. Milk cartons B. Glass bottles C. Cans D. Plastic bags 7. _________more information, please telephone our main office. A. If you will need B. Should you need C. You should need D. If you needed 8. You can take these plastic bottles to the factory to _________ them. A. reuse B. recycle C. reduce D. redo 9. Things you throw away because you dont need them are called _________ A. papers B. bin C. rubbish D. environment 10. _________ happens when water in lakes, rivers and oceans is polluted. A. Air pollution B. Water pollution C. Soil pollution D. Food pollution 11. If he _________ much time, he will watch TV more. A. have B. has C. had D. having 12. If we protect our environment, we will _________ A. save our world B. destroy our world C. damage our world D. buy our world 13. Dont throw _________ into the river. This will cause pollution. A. fish B. dogs C. rubbish D. water 14. If you _________ your homework, you _________ television now. A. finished/ can watch B. have finished/ can watch C. finish/ watch D. will finish/ will watch 15. People should _______ noise. A. reuse B. reduce C. recycle D. All are correct