长期应用拮抗药,可使相应受体(),这种现象称为(),突然停药时可产()。
参考答案:增敏;受体增敏;反跳现象
Mr. Black is very happybecause the clothes made in his factory have never been _____.[ ]
A. popular
B. more popular
C. most popular
D. the most popular
经复议机关复议,复议机关改变原具体行政行为的,( )是被告。
A.原机关和复议机关
B.复议机关
C.复议机关的上级机关
D.原机关