结构中含有吩噻嗪环为
A．地西泮B．卡马西平C．盐酸氯丙嗪D．苯妥英钠E．苯巴比妥
参考答案：C
The boy wanted to ride his bicycle in the street, but his mother told him_________.
A．not to do
B．not to
C．not do it
D．do not to
默认情况下，点到点网络接口优先级为（）。
A.0
B.1
C.2
D.3
