世界上首台激光器的发明人是（） A.爱因斯坦 B.肖洛和汤斯 C.王大珩 D.梅曼

He has been absent ________ class for quite a long time.

A．in

B．for

C．with

D．from

The project that was put forward at the last meeting for a new theater got through as planned_____ some oppositions.

A．not to mention

B．as well as

C．on account of

D．regardless of

设计架空配电线路时，直线杆高压与低压横担间的最小垂直距离为（）。

A．0.3m

B．0.6m

C．1.0m

D．1.2m

简述行政强制措施和行政强制执行的概念。

单位协定存款按照中国人民银行公布的协定存款利率计息，遇利率调整（）计息。

A、分段

B、按签订协议日利率

C、按支取日利率

D、定期利率