交感末梢抑制药是
A．卡维地洛B．普萘洛尔C．甲基多巴D．硝普钠E．呱乙啶
参考答案：E
解析：呱乙啶为神经节和节后交感神经抑制药。
— When did you lose your passport, sir?
— It was yesterday evening ______ I was walking down the street. [ ]
A. when
B. that
C. which
D. on which
在汽车行业中，不属正态分配之数据，可依顾客之需求，采用（）法。
A.PPM值
B.合格率
C.柏拉图
D.直方图
