长效口服避孕药是（）
A.复方炔诺酮片
B.甲地孕酮片
C.复方炔诺孕酮I号片
D.复方氯地孕酮
E.炔诺酮片
参考答案：D
— How come a simple meal like this costs so much?
— We have ______ in your bill the cost of the cup you broke just now. [ ]
A. added
B. included
C. contained
D. charged
发绀是由于()。
A．毛细血管扩张充血
B．红细胞量增多
C．红细胞量减少
D．血液中还原血红蛋白增多
E．毛细血管血流加速
