介绍新药，编写医院《药讯》等必须使药物信息( )。

A．紧密结合临床
B．内容广泛多样
C．更新传递快速
D．做到去伪存真
E．提高药学水平

Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.

A.be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machinery

B.have a guard over the gearing

C.be painted a contrasting color from the base color in order to call attention to the gearing

D.not be operated if there is any crew within 10 feet of the machinery