I. Choose the best answer A, B, C or D to complete these sentences. 1. Air pollution is severe in . A. cities B. densely populated areas C. industrialised areas D. all of these 2. Main sources of noise pollution are . A. transportation equipment B. musical instruments C. heavy machinery D. both A and C 3. One of the best solutions to get rid of non-biodegradable wastes is . A. burning B. dumping C. recycling D. buying 4. Which of the following is not as a consequence of global warming? A. increased agricultural productivity worldwide B. rising sea level C. worsening health effects D. increased storm frequency and intensity 5. The water temperature in streams, rivers, oceans change is the effect of . A. radioactive pollution B. thermal pollution C. light pollution D. visual pollution 6. Which sentences are not the causes of water pollution? A. Factories dump industrial waste into lakes and rivers. B. Sewage from households. C. People burn fossil fuels. D. Farmers use pesticides to kill insects and herbicides to kill weeks. 7. When does thermal pollution take place? A. Sun heats up the lakes and ponds. B. Hot water from factories drains into rivers and ponds. C. When hot oil drains into rivers and lakes. D. None of these 8. Nuclear waste is the pollutant of . A. air pollution B. water pollution C. radioactive pollution D. soil pollution 9. Which of the following is how to control air pollution? A. Maintaining a healthy distance between the industrial and residential areas. B. Minimum use of loudspeakers and amplifiers especially near silence zones. C. Don't throw chemicals, oils, paints and medicines into the river. D. planting trees 10. Thousands of deer and animals are killed on the road by vehicles in the evening because the glare of cars blinds them is the effect of . A. air pollution B. visual pollution C. thermal pollution D. light pollution 11. Many species of wildlife are becoming extinct, the rainforests are being destroyed. A. therefore B. since C. consequently D. so 12. Hemp can be used to make paper, it could reduce the need for logging. A. consequently B. due to C. so D. since 13. logging provides jobs and profits, the government is reluctant to control it. A. so B.Consequently C. Since D. Due to 14. Hemp was grown throughout history its versatility; it can be used to make many different things. A. due to B. because C. since D. as a result 15. Hemp is related to the marijuana plant; it is illegal in many countries. A. so B. due to C. as a result D. because 16. The polluted chemical waste was dumped into the ocean; , the mass of fish died. A. because B. as C. because of D. consequently 17. It was guessed that the fish died a powerful toxin in the sea water. A. because of B. because C. since D. as a result 18. Many species in BC are threatened logging. A. so B. because C. since D. due to 19. Smoking can heart disease. A. lead to B. create C. causes D. due to 20. Radioactive pollution is increasing the increased use of radioactivity. A. as B. since C. because of D. because ai giup minh voi please