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问题 选择题

—It's time to go to bed, Betty！

—OK. _____ Mummy.   [ ]

A. Good morning                  

B. Good night    

C. Good evening                  

D. Good afternoon

答案

答案：B

单项选择题

Basically, a firewall is a (71) process or a set of integrated processes that runs on a router or (72) to control the flow of networked application traffic (73) through it. Typically, firewalls are placed on the entry point to a (74) Network such as the Internet. They could be considered traffic cops. The firewall’s (75) is to ensure that all communication between an organization’s network and the Internet conform to the organization’s security policies.

（75）处填（）。

A．mole

B．pole

C．role

D．rule
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单项选择题

关于PPI的安全性和耐受性，错误的是（）

A.自1992年奥美拉唑上市以来，相继多种PPI应用于临床

B.长期研究结果表明，PPI均具有良好的耐受性

C.在临床试验中因不良反应或其它原因的撤药率仅在1.2%左右

D.耐信同样具有良好的安全性和耐受性
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