男性患者居多的头痛疾病是()
A.有先兆的偏头痛
B.无先兆的偏头痛
C.丛集性头痛
D.原发性低颅压性头痛
E.继发性低颅压头痛
参考答案:C
The Harry Potter books are quite popular; they are in great ________ in this city.[ ]
A. quantity
B. progress
C. production
D. demand
吸入粉雾剂每揿主药含量应为标示量的
A.70%~130%
B.75%~125%
C.65%~135%
D.80%~120%
E.85%~115%