2. 外语
  3. "A better, richer and happier life for all our citizens." That’s the American【C1】______. In practice, it means living in a spaci

"A better, richer and happier life for all our citizens." That’s the American【C1】______. In practice, it means living in a spaci

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问题     "A better, richer and happier life for all our citizens." That’s the American【C1】______. In practice, it means living in a spacious, air-conditioned house, owning a car or three and maybe a boat or a holiday home, not to mention flying off to【C2】______destinations.
    The trouble【C3】______this lifestyle is that it consumes a lot of power. If everyone in the world started living like wealthy Americans, we【C4】______need to generate more than 10 times【C5】______energy each year. And【C6】______, in a century or three, we all expect to be【C7】______by an army of robots and fly into space on holidays, we are going to need a vast amount more. Where are we going to get so much power from?
    It is clear that continuing to rely on【C8】______fuels will have catastrophic results, because of the dramatic warming effect of carbon dioxide. But alternative power sources will affect the climate too. For now, the climatic effects of "clean energy" sources are trivial【C9】______those from greenhouse gases, but if we keep on using ever more power over the coming centuries, they will become ever more【C10】______.
【C8】
选项 A、rock
B、stone
C、fossil
D、diamond
答案C
解析 英语中经常见到fossil fuels的使用，意义是“化石燃料”，主要指石油和煤炭。
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