治疗高血压危象的药物是（）
A.普萘洛尔
B.硝普钠
C.依那普利
D.可乐定
E.氢氯噻嗪
参考答案：B
--- When will you return to your hometown? ---__________.
A．Not until the end of this month
B．Until next week
C．A few days ago
D．A few weeks before
整车线束上的用电器是（）
A.并联
B.串联
C.先串后并
D.先并后串
