题目内容

以太网是采用总线结构的一种局域网。在以太网中，所有的结点(计算机或其他设备)通过以太网卡和电缆连接到一条总线上，并采用【17】方式进行相互间的数据通信。

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Why was postage high in the early 19th century

A. [A] Because the prices of goods (物价) were very high.
Because the post office wanted to earn too much money.
C. Because many people had to be paid for getting the postage.

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What can we learn from the dialogue

A. [A] The man is going to repair the tape-recorder.
B. The tape-recorder is stolen.
C. The man is going to find the tape-recorder.

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计算机的主存储器(内存)用来存储数据和指令，为了实现按地址访问，每个存储单元必须有一个唯一的地址。PC机主存储器的编址最小单位是【4】。

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Section ADirections: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.

A. He has no time to tell her how to get there.
B. He cannot tell her.
C. He doesn’t know where to find the department store.
D. There is no department store in the region.

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以太网是采用总线结构的一种局域网。在以太网中，所有的结点(计算机或其他设备)通过以太网卡和电缆连接到一条总线上，并采用 【17】 方式进行相互间的数据通信。

Why was postage high in the early 19th century

What can we learn from the dialogue

计算机的主存储器(内存)用来存储数据和指令，为了实现按地址访问，每个存储单元必须有一个唯一的地址。PC机主存储器的编址最小单位是 【4】 。

以太网是采用总线结构的一种局域网。在以太网中，所有的结点(计算机或其他设备)通过以太网卡和电缆连接到一条总线上，并采用【17】方式进行相互间的数据通信。

计算机的主存储器(内存)用来存储数据和指令，为了实现按地址访问，每个存储单元必须有一个唯一的地址。PC机主存储器的编址最小单位是【4】。