带式输送机倾角超过几度时应加装制动装置？

高层建筑的宾馆、饭店如果竖向分隔未能达到规范要求，一旦发生火灾，（）都是火灾竖向蔓延的渠道。

A、楼梯间 

B、电梯井 

C、管道井 

D、电缆井 

E、垃圾道

—Must I park my car behind the cinema?

—No,you     ．You      park it here

A．mustn’t, may

B．may not, must

C．don’t have to, may

D．shouldn’t, must

慢性肝炎抗病毒治疗的目的是()

A.减少和延缓肝硬化的发生

B.改善肝功能

C.减轻肝组织病变

D.减少和延缓HCC的发生

E.抑制病毒复制，减少传染性

道德风险因素是指什么？

An Intranet is (66) the application of Internet technology within an internal or closed user group. Intranets are company (67) and do not have a (68) connection to the Internet. Used properly an Intranet is highly effective corporate tool, capable of regularly (69) information to empower the workforce with the information needed to perform their roles. Used in this way, an Intranet represents a step towards the (70) office.

A．painless

B．painness

C．paperless

D．paperness