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Đoạn văn 1

Environment is the first casualty for increase in pollution whether in air or water. The increase in the amount of CO2 in the atmosphere leads to smog which can restrict sunlight from reaching the earth. Thus, preventing plants in the process of photosynthesis. Gases like sulfur dioxide and nitrogen oxide can cause acid rain. Water pollution in terms of oil spill may lead to death of several wildlife species.

Moreover, the decrease in quality of air leads to several respiratory problems including asthma or lung cancer. Chest pain, congestion, throat inflammation, cardiovascular disease, respiratory disease are some of diseases that can be causes by air pollution. Water pollution occurs due to contamination of water and may pose skin related problems including skin irritations and rashes. Similarly, noise pollution leads to hearing loss, stress and sleep disturbance.

Additionally, the emission of greenhouse gases particularly CO2 is leading to global warming. Every other day new industries are being set up, new vehicles come on roads and trees are cut to make way for new homes. All of them, in direct or indirect way lead to increase on CO2 in the environment. The increase in CO2 leads to melting of polar ice caps which increases the sea level and pose danger for the people living near coastal areas.
It should be reminded that ozone layer is the thin shield high up in the sky that stops ultra violet rays from reaching the earth. As a result of human activities, chemicals, such as chlorofluorocarbons (CFCs), were released into the atmosphere which contributed to the depletion of ozone layer.

Last but not least, due to constant use of insecticides and pesticides, the soil may become infertile. Plants may not be able to grow properly. Various forms of chemicals produced from industrial waste in releases into the flowing water which also affects the quality of soil.

In conclusion, pollution not only affects humans by destroying their respiratory, cardiovascular and neurological systems; it also affects the nature, plants, fruits, vegetables, rivers, ponds, forests, animals, etc, on which they are highly dependent for survival. It is crucial to control pollution as the nature, wildlife and human life are precious gifts to the mankind.

(http://www.nationalgeographuc.com/environment/global-warming/pollution/)

Câu 1:

What prevents plants from receiving sunlight?

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Câu 1:

What is NOT mentioned as a disease caused by air pollution?

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Câu 2:

What is NOT mentioned as a cause of increase in CO2?

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Câu 3:

What is true about ozone layer?

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Câu 4:

What does the infertile soil result in?

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Câu 5:

Which of the following is closet in meaning to the word precious in the last paragraph?

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Câu 6:

What does the word “it” in the last paragraph refer to?

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Câu 7:

What is the passage mainly about?

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Đoạn văn 2

Air pollution is the most prominent and dangerous form of pollution. It occurs dues to many reasons. Excessive burning of fuel which is a necessity of our daily lives for cooking, driving and other industrial activities releases a huge amount of chemical substances in the air every day; as a result, these pollute the air.

Smoke from chimneys, factories, vehicles or burning of wood basically occurs due to coal burning. This releases sulphur dioxide into the air making it toxic. The effects of air pollution are evident too. Release of sulphur dioxide and hazardous gases into the air causes global warming and acid rain which in turn have increased temperatures, erratic rains and droughts worldwide making it tough for animals to survive. We breathe in every polluted particle from the air, the result is an increase in asthma and cancer in the lungs.

Another effect of air pollution is ozone layer depletion. Ozone layer is the thin shield high up in the sky that prevents ultra violet rays from reaching the Earth. As a result of human activities, chemicals, such as chlorofluorocarbons (CFCs) which play a key role, were released into the atmosphere which contributed to the destruction of ozone layer.

Water pollution has taken toll of all the surviving species of the earth. Almost 60% of the species live in water bodies. It occurs due to several factors; the industrial wastes dumped into the rivers and other water bodies cause an imbalance in the water leading to its severe contamination and death of aquatic species. If you suspect that nearby water sources have been contaminated by a corporation then it might be a good idea to hire an expert to see you options.

Moreover, spraying insecticides, pesticides like DDT on plants also pollutes the ground water system and oil spills in the oceans have caused irreparable damage to the water bodies. Eutrophication is another big source; it occurs due to daily activities like washing clothes or utensils near lakes, ponds or rivers; this forces detergents to go into water which blocks sunlight from penetrating, thus reducing oxygen and making it inhabitable.

Water pollution not only harms the aquatic beings but it also contaminates the entire food chain by severely affecting humans dependents on these. Waterborne disease like cholera, diarrhea have also increased in all places.

Another type of pollution common in the countryside is soil pollution. Soil pollution occurs due to the incorporation of unwanted chemicals in the soil due to human activities. Insecticides and pesticides absorb the nitrogen compounds in the soil making it unfit for plants to derive nutrition. Release of industrial waste, mining and deforestation also damages the soil. Since plants can’t grow properly, they can’t hold the soil and this leads to soil erosion.

(http://www.nationalgeographic.com/environment/global-warming/pollution/)

Câu 8:

What is NOT mentioned as a cause of air pollution?

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Câu 9:

What is NOT mentioned as a consequence of the increase in air pollution?

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Câu 10:

What is possibly the main factor that damages the ozone layer according to the passage?

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Câu 11:

What is affected by water pollution?

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Câu 12:

What is NOT mentioned as a cause of water pollution?

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Câu 13:

What nutrition do plants need from the soil?

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Câu 14:

What is NOT mentioned as a cause of soil erosion?

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Câu 15:

What is the result of using chemicals in farming?

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