典型的局域网可以看成由以下三部分组成：网络服务器、工作站与___爱下问搜题

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问题单项选择题

典型的局域网可以看成由以下三部分组成：网络服务器、工作站与______。

A．IP地址

B．通信设备

C．TCP/IP协议

D．网卡

答案

参考答案：B

解析：[评析] 局域网是一种通信网络，它主要由网络服务器、工作站和通信设备组成，这里所说的通信设备是广义的，包括计算机、终端和各种外部设备，局域网覆盖一个小的地理范围，从一个办公室、一幢大楼，到几公里的地理范围。

填空题

中国有（）处文化和自然遗产被列入世界遗产名录，数量居世界第（）位。

完形填空

Once a man came to a wise man’s house and said, “I have many bad habits. Which one of them should I        first?” The wise man said, “Never tell lies        always speak the truth.” The man        to do so and went home.
At night the man was about to go out to steal. Before setting out, he        for a moment about the promise he made to the wise man. “If he asks me where I have been, what shall I say? Shall I say I went out       ? No, I cannot say that. But nor can I       . If I tell the truth, everyone will start        me and call me a thief. I would be        for stealing.” So the man        not to steal that night, and gave up this        habit.
The next day, he        to drink wine. When he was about to do so, he said to himself. “What shall I say to the wise man        he asks me what I did during the day? I cannot tell a lie.” And so he gave up the        of drinking wine.
In this       , whenever the man thought of doing something bad, he        his promise to tell the truth at all times.       he gave up all his bad habits and became a very        person.
Telling the truth is a very good       . If you always speak the truth, you can save yourself from a lot of        and become a person whom everyone        and admires.
Make a promise: I shall always speak the truth.