Exercise 1: Choose the word whose underlined part is pronounced differently from the others. 1. A. depletion B. preservation C. ecosytem D. completion 2. A. erosion B. confusion C. mission D. television 3. A. damage B. sewage C. advantage D. engage 4. A. aquatic B. access C. altar D. ancestor Exercise 2: Choose the word whose stress pattern is different from that of the others. 1. A. contaminate B. environment C psychology D. inorganic 2. A. pesticides B.fertilizers C. detergents D. chemical 3. A. consumption B. sustainable C. alternative D. biological 4. A. endangered B. limited C. awareness D. renewable II. VOCABULARY AND GRAMMAR Choose the best answer which best fits each space in each sentence. 1. Water pollution is a result of dumping ………….. such as detergents, pesticides, oil and other chemicals in rivers. A. pollutants B. sewage C. rubbish D. litter 2. contributes to the greenhouse effect which can lead to a series of environmental problems. A. Soil pollution B. Water pollution C. Air pollution D. Noise pollution 3. 'You… too late if you do not want to be tired the next day,' my friend advised me. A. would not stay up B. can stay up C. should stay D. had better not stay up 4. We… that he was the first customer to our newly-open shop. A. said him B. told to him C. told him D. told 5. The natural environment has been seriously affected and…………..by human activities through many decades. A. resulted B. degraded C. decreased D. eroded 6. Using a lot of fertilizers can reduce soil ………….. A. pollution B. quality C. capacity D. fertility 7. Deforestation results climate change, global warming, extreme floods and erosion. A. from B. in C. to D. of 8. We are largely responsible for climate change because our activities have………….. large amounts of carbon dioxide and other greenhouse gases into the atmosphere. A. disposed B. consumed C. discharged D. released 9. The giant panda is because its habitat is being destroyed. A. endangered B. dangerous C. danger D. endanger 10. They are investigating the… global warming will have on us over the next 50 years. A. change B. effect C. result D. outcome