問題詳情
42.What do the astronomers complain about?
(A)Meteor showers occur less often than before
(B)Their observation equipment is in poor repair
(C)Light pollution has remained unsolved for years
(D)Their eyesight is failing due to artificial lighting
(A)Meteor showers occur less often than before
(B)Their observation equipment is in poor repair
(C)Light pollution has remained unsolved for years
(D)Their eyesight is failing due to artificial lighting
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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