本单元在课堂上补充了一段听力，这里分享听力音频文件和录音文本，供各位复盘。

一、音频文件：

二、问答题：

      1). Where do the beauty and utility of the Internet lie?

2). What are the two main functions of the Internet according to the conversation?

3). What is Internet compared to in the conversation?

4). How did one the speakers meet his girl friend?

5). What’s the name of the bulletin board?

6). How long has it been around?

7). How much computer time will one dollar buy?

8). Who can you talk to on a computer network?

9). Is it possible for you to have a private conversation on a computer network?

10). What’s the main advantage of talking through a computer?

11). What are the rush hours for the techno-chat program?

12). What does Tom mean by saying “Look in the mirror, man”?

三、录音文本（含答案）：