問題詳情

80. The second paragraph is mainly about ______________.
(A) nuclear power plants
(B) using sunlight to prevent accidents
(C) protecting the natural environment
(D) a new source of electrical energy

參考答案

答案:D
難度:非常困難0.166667
統計:A(1),B(2),C(0),D(4),E(0)

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