Which of the following is best supported by the passage?
Câu hỏi:
Which of the following is best supported by the passage?
A. Scientists should be consulted in order to establish uniform limits for all air pollutants.
B. Human activities have been effective in reducing air pollution.
C. One of the most important steps in preserving natural lands is to better enforce air pollution laws.
D. To effectively control pollution, local government should regularly review their air pollution laws.
Trả lời:
… in fact the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area
Chọn B
Xem thêm bài tập Tiếng anh có lời giải hay khác:
Câu 1:
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the following question
As soon as he waved his hand, she turned away.
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Câu 2:
After the campaign, a special medal was ……. to all people involved.
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Câu 3:
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks
To many people, their friends are the most important in their life. Really good friends always (1)………..joys and sorrows with you and never turn their backs on you. Your best friend may be someone you have known all your life or someone you have grown (2)………..with. There are all sorts of things that can bring about this special (3)……………….. It may be the result of enjoying the same activities and sharing experiences. Most of (4).................. have met someone that we have immediately felt relaxed with as if we had known them for ages. However, it really takes you years to get to know someone well (5)…………to consider your best friend. To the majority of us, this is someone we trust completely and (6)…………….understands us better than anyone else. It's the person you can tell him or her your most intimate secrets.
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Câu 4:
Your best friend may be someone you have known all your life or someone you have grown (2)………..with.
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Câu 5:
For which of the following reasons can natural pollutants play an important role in controlling air pollution?
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Câu 7:
Concern for the environment is now at the ______ of many governments' policies.
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Câu 8:
How very lucky you were! You ________ in the crowd.
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