清营汤的功用是：( )
A．泻火养阴，凉血散瘀
B．益气养阴，宁心安神
C．清热凉血，养阴生津
D．清营透热，养阴活血
E．泻火解毒，凉血止血
参考答案：D
It is acknowledged that ___ shortest distance between persons is ___ sincere smile.[ ]
A. A; the
B. The; /
C. A ; /
D. The ; a
怎样解释气体温度降低的原因？
