問題詳情

43. What does the author try to tell the readers about?
(A) Problems in big cities of the world.
(B) The rising energy costs in cities.
(C) Different ways of going green.
(D) Energy problems in the world.

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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