13. Environmental___is everybody’s responsibility (protect) 14. ___is destroying large areas of tropical rain forest (forest) 15. ___air is one of the many problems we have to solve (pollute) 16. Mr.Brown is talking to some volunteer___ (conservation) 17. They try thier best to reduce levels of___pollution (environment) 18. They are working___, so we are satisfied (effect)
13. A student must work___to have good result (effect) 14. Energy-saving bulbs help___save money (consume) 15. This fire doesn’t give out much___ (hot) 16. ___is better than cure (prevent) 17. He is one of the most famous___in the world (environment) 18. The river has been___with toxic waste from local factories (pollute)
1. She got a___to check all the water pipes in her house. A.piper B.plumber C.tinker D.electrician 2. The local authority should___the fish catching by electricity. A.protect B.allow C.permit D.prohibit 3. Energy from the sun, the wind, the water are___ A.natural resources B.nature sources C.planet energy D.the world power 4. “___?” “Not a bad idea” A.Do you mind going by bus B.Won’t you go by bus C.Would you like to go by bus D.What about going by bus 5. Energy can be collected by solar___on cloudy days A.boards B.panels C.bars D.sheets 6. ___the pollution in that river is awfully bad, that water is not fit to drink A.Because of B.Since C.When D.Although 7. There’s nothing good on TV. Why don’t you turn it___? A.on B.at C.off D.down 8. ___believe that we should preserve the tropical rainforests in the world A.Economists B.Conservationists C.Consumers D.Scientists 9. Baths use___water as showers, so i suggest taking showers A.as much B.too much C.double D.twice as much 10. They didn’t understand the matter;___, they didn’t ask for help A.but B.however C.moreover D.and