2. 外语
  3. The main advantage of wind powered stations is that______. Wind stations would not be a solution to the state’s energy needs if

The main advantage of wind powered stations is that______. Wind stations would not be a solution to the state’s energy needs if

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问题 The main advantage of wind powered stations is that______.
Wind stations would not be a solution to the state’s energy needs if______.
选项 A、they were not built on the windiest hills
B、ways to store the generated power were not found
C、they were used only for commercial purposes
D、ways were not found to increase the wind speed
答案B
解析 细节题。根据文章第三段的这句话；Until ways can be found to store generated power that can be used when the winds die down，wind power will remain a supplementary source of the state’s energy．我们可以判断选项B是正确的。
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