問題詳情

5.Tropical rainforests contain at least half of the Earth’s species. The incredible _______ of the rainforests means that most species have evolved to inhabit very specialized _______ in their environment.
(A) difference; houses
(B) diversity; niches
(C) story; kingdom
(D) variety; canopy

參考答案

答案:B
難度:適中0.611253
統計:A(11),B(239),C(10),D(98),E(0)

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