I. Read and answer the questions
Air pollution
We are nowadays becoming more aware of pollution matters that affect dramatically our lives; especially there is growing concern about air pollution. There are some reasons that lead to this kind of pollution. Firstly, the development of industrial zones, factories and building construction areas is producing a large amount of dust and poisonous air. Especially in the developing countries, people rarely pay their attention to the air treatment process that make the air pollution condition even worse. Secondly, because of the increasing unrbanization, it can be easily seen that there is always a lot of traffic in rush hour and dust one the road these days. The smoke from vehicles and manufacturing exhaust increase the amount of carbon dioxide in the air which makes us feel really hard to breathe. The consequences are very bed. Smog and dust can do serious harm to our health and especially our lungs. We have thousands of asthma and adult respiration distress cases each year which raise concern about the air quality. Moreover, acid rains are becomning more and more popular which damage crops and fields. Many people believe that air pollution is also causing global warming and it is difficult to improve the air without the efforts of all countries around the world.
1. According to the passage, where does a large amount of dust and poisonous air come from?
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2. Do developing countries take the air treatment process into carful consideration?
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3. Why is it difficult for us to breathe when traveling on the roads or streets?
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4. What does the word “urbanization” mean?
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5. Which particular part of our body is seriously affected by smog and dust?
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6. Is it written in the passage that there are milions of cases related to breathing anually?
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7. What is the hramful effect of acid rains?
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8. According to the passage, if all countries in the world ignore the air pollution condition, will it easy to make the air fresher?
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