問題詳情
【題組】7. According to the passage, pioneer geologists believed that to determine a rock's age, it was helpful to know
(A) how deep under the surface the rock was located
(B) how much power was needed to remove the rock
(C) how rough the rock's texture was
(D) how soft the rock was
參考答案
答案：D
難度：困難0.395683
統計：A(38),B(13),C(32),D(55),E(0)