問題詳情

8. The 2011 Tohoku earthquake was a ____ 9.0 undersea megathrust earthquake off the coast of Japan.
(A) epicenter
(B) magnitude
(C) scale
(D) degree

參考答案

答案：B
難度：適中0.6
統計：A(0),B(3),C(1),D(0),E(0)