問題詳情
【題組】75. What does rocking motion refer to?
(A) The process of rock formation on the moon.
(B) Wobbles felt when the moon rotates on its axis.
(C) Meteor rocks falling on the moon’s surface.
(D) The speed change in the moon’s orbital travel.
參考答案
答案：D
難度：適中0.615385
統計：A(1),B(0),C(2),D(8),E(0)