对于瘢痕性幽门梗阻气阴两虚证者，宜用（）
A．大黄黄连泻心汤加减
B．麦门冬汤加减
C．化肝煎加减
D．导痰汤加减
E．丁香散加减
参考答案：B
To make members of team perform better,the trainer first of all has to know their____and weaknesses. [ ]
A. strengths
B. benefits
C. techniques
D. abilities
对于某一股票，股利收益率越高，持有期回收率也就越高。
