問題詳情
【題組】39. According to the passage, one possible cause of the movement of the tectonic plates is __________.
(A) the expansion of the ocean
(B) the position of the Moon
(C) gravitational pull
(D) wave motion
參考答案
答案：C
難度：適中0.608696
統計：A(2),B(3),C(14),D(2),E(0)