游梁式抽油机曲柄平衡的平衡方式代号为（）。
A、Y
B、Q
C、B
D、F
参考答案：C
－Give me some oranges, please.
－_____. [ ]
A. Here you are
B. That's all right
C. OK, give you
D. It's here
暑湿感冒的治疗方药是
A．荆防败毒散B．银翘散C．新加香薷饮D．玉屏风散E．加减葳蕤汤
