老年习惯性便秘适当选取大肠俞、天枢、支沟、上巨虚外还应酌情加配()
A.合谷、曲池
B.中脘、行间
C.神阙、合谷
D.脾俞、胃俞
E.小肠俞、下巨虚
参考答案:C
使激动药量效曲线平行右移,最大效应不变的是().
A.LD50
B.治疗指数
C.量反应
D.受体
E.竞争性拮抗药
During many sectors are foundering, the $21 billion videogame software industry is booming, adding game developers at a rate of 2,500 a year in the United States alone.
A.When
B.Where
C.Would
D.While