Đọc các đoạn văn sau và điền A, B, C hoặc D vào chỗ trống tương ứng với phương án lựa chọn đúng:
Đoạn văn 1:
There are many sources of pollution in our modern world. At present, the most serious sources are acid rain, car exhaust fumes and oil spills. Factory chimneys give out smoke that contains sulphur dioxide and nitrogen oxide. These gases combine with moisture in the atmosphere to form sulphuric acid and nitric acid. When it rains, these acids dissolve in the rain and make it acidic. Acid rain is believed to be the worst pollution of all. It has harmed aquatic life by turning many lakes into lifeless bodies of water. Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the axhaust fumes build up and poes a healh hazard to human beings. Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea.Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills.
1. What are the most serious sources of pollution?
A. oil, smoke from houses, and water.
B. acid rain, car exhaust fumes, and oil spills.
C. water spills, smog and rubbish
D. all are correct
2. Smoke from factory chimneys
A. does no harm to us
B. is necessary for manufacture
C. is not harmful to our health
D. causes acid rain
3. What do car exhaust fumes contain?
A. only lead
B. carbon monoxide and lead
C. acid rain
D. useful gases
4. Acid rain is believed
A. to be no harm
B. to be necessary for agriculture
C. to be the worst pollution of all
D. to be pure
5. Offshore wells
A. do nothing with pollution
B. always keep the seas clean
C. do well with the waste
D. discharge vast amounts of oil into the sea
Đoạn văn 2:
More than two hundred years ago, the term “environment pollution” is quite strage to people. They live healthily, drank pure water, and bearthed fresh air. In those days, industry was not well-develpoed. Nowadays, the situation is quite different. The world today is faced with amny major threats. The most dangerous threat of all is war, and after the threat of war is pollution. People all over the world are worried about things that are happening to the environment. Actuall, it is amn that is destroying the surroundings with amny kinds of wastes from the devices that make human lives more comfortable an dconvenient. Everyboby knows that cars emit dangerous gases that cause poisonous air and cancer, but no one want to travel on foot or by bicycles. Manufacturers know that wastes from factories make water and soil polluted, but they do not want to spend a lot of their money on treating wastes safely. Scattering rubbish is bad for our health, but no one wants to spend time burying it. Is it worth talking a lot about polluttion ?
1. More than two hundred years ago
A. the environment was polluted as much as it today.
B. people knew nothing about environmental polluttion.
C. air was polluted badly
D. people were faced with pollution
2. In former days, people
A. bearthed fresh air, drank pure water and lived healthily
B. bearthed polutted air, drank pure water and lived healthily
C. lived in the polutted environment
D. were worried about pollution
3. The most dangerous threat that the world is faced with is
A. polllution
B. water
C. war
D. air
4. Everyboby knows that cars emit dangerous gases
A. so they do not travel by car any longer
B. so they prefer travelling by bicycles
C. but they still prefer travelling by cars
D. they no longer use cars
5. Factory owners
A. know nothing about pollution
B. have no awareness of pollution
C. treat wastes from their factories safely
D. do not want spend money on treating the wastes safely
