問題詳情
37. What is unique about the Antarctic ecosystem?
(A)tIt is the warmest continent on Earth.
(B)tIt harbors a high concentration of human settlements.
(C)tIt lacks any form of marine life.
(D)tIt contains adaptations and life forms found nowhere else on the planet.
(E)tIt experiences frequent volcanic eruptions.
參考答案
答案：D
統計：A:0,B:0,C:0,D:4,E:0
難度：計算中