問題詳情
40. When a ship moves from water of one density to water of another density, without the change of her displacement, will change.
(A) the center of gravity
(B) the displacement
(C) the draft
(D) the force of buoyancy
參考答案
答案：C
難度：簡單0.853933
統計：A(4),B(7),C(76),D(2),E(0)