問題詳情

19 The Amazonian Rainforest, which is roughly the size of Europe, is the home of more than half the plant andanimal _____ known to man.
(A)specters
(B)spectrums
(C)speckles
(D)species

參考答案

答案：D
難度：簡單0.712919
統計：A(49),B(43),C(28),D(298),E(0)

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species（物種）