The captain told the sailors to their sprits when they were on the point of giving up.

A．keep up

B．pick up

C．take on

D．go on

在PowlerPoint中打开一个具有多张幻灯片的演示文稿，此演示文稿已经应用了母版，那么对母版的修改将直接反映在______幻灯片上。

A．每张
B．当前
C．当前幻灯片之后的所有
D．当前幻灯片之前的所有