This extra effort makes a lasting _________, the kind that often results in some fortune with extra business.

A．conflict

B．process

C．representative

D．impression

苯二氮蕈类药物的作用特点是

A．对快动眼睡眠时相影响大

B．没有抗惊厥作用

C．没有抗焦虑作用

D．停药后代偿性反跳较重

E．可缩短睡眠诱导时间