________ from the moon, our earth with water ________ seventy percent of its surface looks like a blue sphere.

A．Seen; covered

B．Seeing; covering

C．Seen; covering

D．Seeing; covered

对下属的工作进行严密的监督，而不重视对人际关系的协调的领导风格是（）。

A.独裁型领导

B.民主型领导

C.参与型领导

D.放任型领导