問題詳情

54. What was the ultimate goal of the Biosphere 2 project?
(A) To decrease global pollution.
(B) To improve international relations.
(C) To colonize future planets.
(D) To develop new plant species.

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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