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Although many governments try to convince their respective subjects that atomic energy is an acceptable alternative 【21】______
Although many governments try to convince their respective subjects that atomic energy is an acceptable alternative 【21】______
admin
2010-08-07
81
问题
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 escape 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!
【36】
选项
A、reassure
B、ensure
C、convince
D、assure
答案
B
解析
本题考查词义辨析。reassure,安慰;ensure,确保;convince,说服;assure,保证。句意应该是讲要确保安全。所以应选B。
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公共英语四级笔试题库公共英语(PETS)分类
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