E8 UNIT 7 - SKILLS 1 & SKILLS 2 I. Choose the correct word A, B or C for each gap to complete the following passage. Rivers are (1) ………… of the world’s most important natural resources. Many cities are on large rivers, and (2) ………….. every country has at least one river that (3) ………… an important part in the lives of its people. Besides transportation, rivers (4) ……….. food, water for crops, water to drink, and opportunities for recreation for people who live along their (5) ……….. And in order to get water for crops, engineers sometimes build a dam across a river and let the water become a lake (6) ………… the dam. Then people can use their water nit only to (7) ………… fields but also to make electricity for homes and industries. (8) ……………, the water often becomes polluted when cities on river banks grow (9) ………… size and the number of industries increases. We are learning that it is necessary to (10) ………….. rivers clean if we want to enjoy the benefits of the natural resource. 1. A. one B. ones C. among D. those 2. A. most B. mostly C. almost D. about 3. A. takes B. makes C. occupies D. plays 4. A. supply B. provide C. distribute D. bring 5. A. banks B. shores C. sides D. beaches 6. A. behind B. on C. below D. under 7. A. take B. irrigate C. drain D. give 8. A. Moreover B. Therefore C. Thus D. However 9. A. of B. about C. in D. for 10. A. keep B. get C. hold D. maintain II.Mark the letter A, B, C or D to complete the following sentences. 1. If farmers………..pesticides in planting, they………..the soil. A. will throw – pollute B. throws – might pollute C. throw – will pollute D. throw – pollute 2. This river………..and all fish might die if they………..releasing sewage into it. A. contaminates – continue B. will be contaminated – might continue C. will contaminate- continue D. will be contaminated – continue 3. If you………..to reduce air pollution, you………..public transportation as much as you can. A. want – will use B. want – use C. will want – should use D. want – should use 4. If you………..your advertising boards here, you will destroy the city’s sight and………..by the authority. A. hang – may be fined B. hang – may fine C. hang – should be fined D. hang – may be fine 5. The case of asthma and lung cancer………..if the air quality……….. A. will be increased – is not controlled B. will increase – be not controlled C. will increase – is not controlled D. will increase – not controlled 6. If rivers and lakes………..continuously by industrial waste, sooner or later the ocean……….. A. are polluted - will contaminate B. are being polluted – will be contaminate C. are being polluted – will be contaminated D. pollute - will be contaminated III. Give ways to reduce noise pollution .................................................................................................................................................................................................................................................................................. ai làm được cho 5 vote và câu trả lời hay nhất và cảm ơn