From the top of ______ Empire State Building, you could see up to ______ distance of 130 kilometers on a clear day.

A．the; the

B．不填; a

C．an; the

D．the; a

目前微型计算机中采用的逻辑元件是 (2) 。

A．小规模集成电路

B．中规模集成电路

C．大规模和超大规模集成电路

D．分立元件