党的基本路线的简明概括是( )。
A．以经济建设为中心 B．坚持四项基本原则C．一个中心，两个基本点 D．坚持改革开放
参考答案：C
变压器停电时先停负荷侧，再停电源侧，送电时相反。
You here half an hour earlier. It is a pity you missed the famous star. [ ]
A. must have come
B. might have come
C. Should have come
D. could have come
