羌活、白芷在川芎茶调散中的作用是()
A.祛风胜湿
B.祛风活血止痛
C.祛风清热,通经活络
D.疏风止痛
E.祛风化痰止痉
参考答案:D
How close parents are to their children ________ a strong influence on the development of the children's characters.
A.having
B.had
C.has
D.have
关于肺心病呼吸衰竭的合理氧疗,下列哪项是错误的()
A.持续低流量吸氧
B.吸入氧浓度为25%~30%
C.吸入氧浓度为30%~50%
D.Ⅱ型呼吸衰竭不可高流量吸氧
E.Ⅰ型呼吸衰竭可提高吸氧浓度