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V. Choose the correct word marked A, B, C or D to complete the following email. (1,5pts) Air pollution is caused of ill health in human beings. In a lot of countries, there (1)…... laws limiting the amount of smoke which factories can produce. Doctors have proved that air pollution causes The gases from the (2) ….….. of cars have also increased air pollution in most cities. The lead in petrol produces a poisonous gas, which is often collected in busy streets circled by (3)……. buildings.Children who live in areas where there is a lot of lead in the atmosphere can not think as quickly as other children, and are clumsy when they use their hands.There are other long-term effects (4) …… pollution. If the gases in the atmosphere continue to (5) ……, the earth's climate may become warmer. A lot of (6)…….. ice near the Poles may melt and may cause serious floods. 1. A.is B.are C. will be D. had been 2. A exhausts B.poison C.dust D. smoke 3. A short B. small C. big D. high 4. A.of B.in C.on D.into 5. A.destroy B.pollute C.contaminate D. increase 6. A. an B. a C. the D. this VI. Read the passage and answer the questions. (1,5pts) A tornado is a violently rotating column of air that extends from a thunderstorm to the ground and is often-although not always-visible as a funnel cloud. Lightening and hail are common in thunderstorms that produce tornadoes. Tornadoes cause extensive damage to structures and disrupt transportation, power, water, gas, communications, and other services in its direct path and in neighbouring areas. Related thunderstorms can cause heavy rains, flash flooding, and hail. About 1,200 tornadoes hit the United States every year and every state is at risk. Most tornadoes in the United States occur east of the Rocky Mountains with concentrations in the central and southern plains, the Gulf Coast and Florida. Tornadoes can strike in any season, but occur most often in the spring and summer months. They can occur at all hours of the day and night, but are most likely to occur between 3 p.m. and 9 p.m. 1. What is a tornado? 2. What is common in thunderstorms that produce tornadoes? 3. What can related thunderstorms cause? 4. How many tornadoes hit the United States every year? 5. Which seasons can tornadoes strike? 6. Are tornado most likely to occur between 3 a.m. and 9 a.m.

1. A. wanted B. needed C. stayed D. visited 2. A. thanks B. think C. thin D. they II. Mark letter A, B, c, or D to indicate the word whose main stress position is placed differently from that of the others in each group. ( 0,5 p) 1. A. aquatic B. addressee C.Vietnamese D. economic 2. A. technology B. apology C.photography D.interviewee III. Choose the right option A, B, C or D to finish the sentences. (2pts) 1. Which are the most common …………disasters in your country? - Floods and typhoons. A. natural B. nature C. naturally D. inatural 2. A: Many people died in the accident. B: ........................................ A. That's great. B. That's awful. C. How wonderful ! D. That's awesome. 3. ..................... water has led to the death of aquatic animals and plants. A. contaminate B. contaiminated C. contamination D. contaminant 4. The Photo Exhibition lasts two days, …………the 28th to the 29th of April. A. with B. during C. off D. from 5. The polluted water........ in the death of the fish. A. cause B. so C. reuslt D. lead 6. Mark the letter A, B, C or D on your answer sheet to indicate the word OPPOSITE in meaning to the underlined word in each of the following questions. Nick wouldn’t sneeze so much if the air was clean . A. dirty B. comfortable C. traditional D. peaceful 7. Residents of flooded villages were ...........to a safe place last night. A. take B.took C. taking D. taken 8. If the weather is fine, we ................for a walk. A. go B. will go C. would go D. went IV. Give the correct form of the verbs . (1,5pts) 1. By the time we (arrive)........................................ at the canyon, it had stopped snowing. 2. We have decided ( stay)…………………….in Ho Chi Minh City for three more days 3. This time next year Hung (learn)……………a new language 4. Before the volcano erupted, most people (leave)………………………..there. 5. If I (be)…………..you, I wouldn’t work for any nuclear plants due to the risk of radioactive pollution 6. If we ( recycle ) ............. more, we will help the Earth.