硝苯地平可引起
A．反射性心率加快
B．缓解冠脉痉挛，增加冠脉血流
C．面红、头痛
D．房室传导阻滞
E．皮疹、药热、肝功能损害
参考答案：A,B,C,E
If you just spend your time___ gains and losses, maybe you'll get nothing in the end．
A．checking
B．weighing
C．balancing
D．examining
一般认为行书之祖是谁（）.
A、刘德昇
B、钟繇
C、胡昭
D、王羲之
