休克热伤营血的首选方剂是（）。 A.独参汤合四逆汤频服 B.清营汤 C.四味回阳饮

以下哪种物理符号不是数据？（）

A.声音

B.计算公式

C.文字

D.计算机代码

The millions of calculations involved, had they been done by hand, () all practical value by the time they were finished.

A. could lose

B. would have lost

C. might lose

D. ought to have lost

五条禁令的内容有哪些？

日常生活活动

锚杆挡土墙的分级平台应按设计采用混凝土进行封闭，并设（）％的向外横向排水坡。

A、2

B、3

C、4