下面哪种不是互联网专线的接入实现方式（）A.窄带PBX B.协转 C.光纤收发器 D

某工厂5月份的用水指标是320吨，实际只用了280吨，节约了百分之几？

Speaker A: Excuse me, can you tell me where the Prince's Building is Speaker B:______

A．The Prince's Building Why do you want to go there

B．Sure, if you like, I can show you how to get there.

C．Well, turn to the left at the first corner after the crossroads. It's there near the corner.

D．Strange! What's going on there Three people have asked me how to get there.

中间商决定经营范围广泛且没有关联的多种产品，这属于()决策。

A．独家配货

B．广泛配货

C．专深配货

D．杂乱配货

治痰多咳嗽，宜选（）

A.党参

B.黄芪

C.白扁豆

D.甘草

E.太子参

引导员观察（）手检员工作情况，合理控制过检速度。

A.工作区

B.检查区

C.手检区

D.待检区