（）尺寸为喷油泵柱塞刚刚遮住柱塞套进油孔时，导筒平面至油泵上体法兰下端平面的距离。
A、K
B、B
C、A
D、H
参考答案：B
—________?
—I usually play tennis.[ ]
A. Why do you play tennis
B. What do you usually do on weekends
C. Where do you play tennis
D. When do you play tennis
上能治肝胃寒气上逆之巅顶痛，中能治肝胃不和之呕吐吞酸，下能治寒湿下注之脚气疼痛的药物是______
A．木瓜 B．藁本C．吴茱萸 D．山茱萸E．薏苡仁
