問題詳情
【題組】17. According to the passage, why is the Lake Wales Ridge valuable?
(A) It was originally submerged in the ocean.
(B) It is less than ten miles wide.
(C) It is located near the seashore.
(D) It has ecosystems that have long remained unchanged
參考答案
答案：D
難度：簡單0.75
統計：A(3),B(0),C(1),D(12),E(0)