2. 外语
  3. Human beings have already made use of ______ . It is urgent to find new kinds of power because

Human beings have already made use of ______ . It is urgent to find new kinds of power because

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问题 Human beings have already made use of ______ .
It is urgent to find new kinds of power because
选项 A、the world’s population is increasing day by day
B、scientists are worried about the idea of making full use of the sea into realities
C、nuclear energy cannot meet the need for more power for the world’s industries
D、the supply of coal, oil and gas is decreasing while the need for the world’s industries is increasing
答案D
解析 此题题干问“为什么我们必须找到新的能源”。原文第10句话指出煤炭、石油和天然气的减少使找到新的能源变得迫切。因此选项D. the supply of coal, oil and gas is decreasing while the need for the world’s industries is increasing是正确答案。
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