Besides giving off gases and dusts into the air, humans produce waste that is poured on the environment. Often, this waste produced by major industries and people is harmful to both nature and human life.

One of the main causes of the large amount of dangerous waste is that people do not realize how large a problem it is. Because it can be simply removed and sent to a landfill(廢渣填埋場(chǎng)),the problem is often believed to end there. In addition, industries have often shown an unwillingness to find ways to deal with dangerous waste because of the related expenses. Many industries and governments build simple landfills to store waste, and often just pour waste chemicals into nearby bodies of water. Often, chemicals used for industrial production cause dangerous forms of waste.The amount of these chemicals has increased greatly in the past, but it is often difficult and expensive to get rid of these chemicals or to store them in a way safe to human life and the environment.

Every year, major health problems result from dangerous waste. Sadly, it is often only after someone has died or become seriously ill that governments will take measures to reduce levels of harmful waste.

Some governments have realized how serious the dangerous waste problem is and are now trying to settle this problem. They are also trying to limit the amount of waste industries are allowed to produce.

Not  only governments but ordinary people as well must work together to solve the problem. They can choose not to buy those products which require the production of dangerous waste, and produce less harmful waste themselves. Many scientists think that waste production can be cut. The waste can be reduced by at least one third using existing technologies and methods.

72. What would be the best title for the text?

A. Measures of Reducing Dangerous Waste

B. Danger of Harmful Waste to Mankind

C. Dangerous Waste and Water Pollution

D. Environmental Protection

73.According to the text, people       .

A. do not produce harmful waste in their daily life

B. do not know where to place the dangerous waste

C. are not clear about how serious the dangerous  waste problem is

D. are not sure about where harmful waste ends

74.What troubles industries most in dealing with the dangerous waste problem?

A. How to get government support.

B. How to increase their production.

C. How to store harmful waste.

D. How to cut down the related costs.

75. What can be inferred from the passage?

A. The polluting industries are not allowed to sell their products.

B. Present technologies have settled the harmful waste problem.

C. Everyone should obey the government rules for the problem.

D. To solve the problem requires the efforts of the whole society.

72B

解析：整體理解題。統(tǒng)觀全文，知道是在述說(shuō)危險(xiǎn)廢棄物對(duì)人類(lèi)和自然的危害，故應(yīng)選 B。

73C

解析：“One of the main course...is that people don’trealize how large a problem it is.”中可知 C 為正確選項(xiàng)。

74D

解析：細(xì)節(jié)理解題。同樣在文中第二段“In addition...because of the related expenses.”可得知 D 為正確答案。

75D

解析：細(xì)節(jié)理解題。在文中最后一段“Not only governments...to solve the problem .”可推出 D 為正確答案。

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