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【简答题】
防火墙是提供安全系统的硬件和( )的组合,通常用来阻止从外部到内部网络或者到Intranet的未授权访问。
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举一反三
【单选题】— I am terribly sorry, sir. I thought it was a parking place. — _____. Here is your ticket. [ ]
A.
It doesn't matter
B.
You are right
C.
I can't agree with you
D.
Sorry, that's no excuse
【单选题】下列有关大洲和大洋的叙述，正确的是（ ）
A.
世界陆地主要分布在南半球，海洋主要分布在北半球
B.
东、西半球的分界线是赤道
C.
地球表面海陆比例为3：7
D.
印度洋全部位于东半球
【单选题】— _______, sir. — OK. I'll speak a little more slowly. [ ]
A.
Sorry, I don't see you
B.
Sorry, I can't follow you
C.
You can't speak so quickly
D.
Can I help you
【单选题】---Can I pay the bill by check? --- Sorry, sir. But it is our rule that payment ________be made in case
A.
can
B.
need
C.
shall
D.
will
【单选题】— Can I pay the bill by check? — Sorry, sir. But it is the management rule of our hotel that payment ________ be made in cash. [ ]
A.
shall
B.
need
C.
will
D.
can
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