答案:A
随着嫦娥二号发射成功,我国即将发射的登月卫星嫦娥三号,假如宇航员在地球上和月球上以相同速度竖直上抛同一物体,物体上升的最大高度比为k(不计阻力),如地球和月球的半径比也为k,则地球与月球的质量比为[ ]
A、
B、
C、
D、
I'm surprised they are no longer on speaking terms. It's not like either of them to bear a ______.
A.disgust
B.curse
C.grudge
D.hatred