印刷质量合格的烟支，除了钢印图案要求打印完整清晰以外，还要求打印在水松纸的位置必需正确。
参考答案：错
— Father ,you promised!
— Well, ______ . But it was you who didn't keep your word first. [ ]
A. so was I
B. so did I
C. so I was
D. so I did
下列关于钙拈抗剂抗心绞痛的叙述，不正确的是( )
A．扩张冠脉，改善缺血区供血、供氧
B．阻断钙离子通道，阻止钙离子内流
C．心肌收缩性减弱，心率减慢
D．减轻心脏负荷，降低心肌耗氧
E．心肌收缩性增强，心率加快
