离心泵流量增加，泵出口压力（）。
A.上升
B.下降
C.不变
参考答案：B
My cousin, little Tom, is __________ a fool. He did very well in all his subjects.
A．something as
B．something but
C．anything but
D．nothing but
治疗中消证宜（）。
A.针灸并用
B.只针不灸
C.多针少灸
D.泻法
E.平补平泻
