题目内容
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[主观题]
Which of the following is NOT true about wind power？A．Wind was very expensive in the 90's.
Which of the following is NOT true about wind power？
A．Wind was very expensive in the 90's.
B．The turbines built in the 70's were fragile.
C．Wind power still cannot compete with fossil fuels.
D．Wind is still not favored today in America for its high cost.
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