三焦经腧穴一般不用于治疗的病候是（）
A.目赤肿痛
B.耳鸣耳聋
C.偏头痛
D.腹胀满
E.热病
参考答案：D
He fell off the bike ________.
A．while he rode
B．while he was riding
C．while he is riding
D．while on bike
下列几种泵（）不是正位移泵
A.螺杆泵
B.往复泵
C.离心泵
D.计量泵
