苏子降气汤中配伍当归和肉桂的意义是
A．温肾纳气
B．养血补肝
C．温补下虚
D．祛痰止咳
E．温肾祛寒
参考答案：C
—How are you feeling, Nick?
—Not so well. I don't feel like _____. [ ]
A. to eat
B. eating
C. eat
D. ate
已知某处最大工作压力为0.9MPa，最小工作压力0.4MPa，压力表适合的量程为( )MPa。
A．0～1.0
B．-0.1～1.2
C．0～1.2
D．0～1.6
