单选题 Although many governments try to convince their respective subjects that atomic energy is an acceptable alternative 21 the burning of fossil fuels, no government has taken the least trouble to explain the dangers. Maybe they are 22 them. 23 the reason, the public must learn by experience, even though this 24 may be catastrophic.
While it is true that nuclear reactors do not produce visible smoke, it is certainly not 25 that they do not pollute. And the pollution they produce is much more insidious precisely because it is 26 .
27 inconvenient it may be for governments to publish all the facts, they have no moral excuse for not doing so, 28 they think they are acting in our best interest. At least some of the facts are known, even though they are not widely reported.
Nuclear reactors produce radioactive water and gases in vast 29 . What 30 all this waste? It is 31 concrete tanks and stored on tank farms. It is 32 in disused salt mines. It is run into fractured rock. It is buried. It is 33 about in special trains. But even when dumped, it has to be kept 34 by sprinklers to stop it from boiling. And the contents of the tanks are, of course, extremely corrosive. The efforts of a fracture in the tank or a failure of the cooling system would be 35 .
While every effort is made to 36 that radioactive wastes do not except into the sea or 37 supplies of drinking water, such a leakage would be too horrible 38 contemplate. But even then, governments would presumably continue to belittle the hazards.
It seems that 39 governments can get away with not telling the truth, they will continue to keep silent. Nevertheless the people 40 to know the full facts. Do you know what happens to the radioactive waste in your country? No? Well—find out!
【正确答案】 C
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【正确答案】 A
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【正确答案】 B
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【正确答案】 D
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【正确答案】 C
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【正确答案】 B
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【正确答案】 A
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【正确答案】 D
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【正确答案】 C
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【正确答案】 A
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【正确答案】 B
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【正确答案】 A
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【正确答案】 D
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【正确答案】 C
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【正确答案】 D
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【正确答案】 B
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【正确答案】 D
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【正确答案】 C
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【正确答案】 A
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【正确答案】 D
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