语音讲解：
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　Listening Comprehension: Get familiar with the words or phrases given below, and then listen to the tape until you can complete the talk.
　　Topic: Monitoring teenagers online
　　Category: Phone-in
　　热身词语
　　surf:冲浪,计算机术语借用来指"上网浏览"
　　in this(that) regard:在这(那)一方面
　　snapshot:拍的快照
　　file:(计算机)文档
　　Presenter: _________today __________ need parents ______________________________, Bob. They need parents who are ________ who _____ what's going on _________________________.
　　Bob: You know, recently ________________________ that has been ________ to help parents __________________. It's ________ that actually ________________________ on your computer, and by that I mean nobody knows _____________. But every ______or _____________, you can actually set it however you like, and it will ______________________. It will keep it in a ____. So a parent can then ___________ later and _______ what was on the ________ of the computer when the kids were doing their homework or when they were online when they were _______________ their friends --- whatever it was they were doing.
　
　　Topic: Yellow Pages
　　Category: Advertisement
　　热身词语
　　Yellow Pages：(美用)电话号码簿，黄页
　　slow:(生意)很淡，顾客不多
　　Sprint:美国大电信公司
　　cook:热闹，表现出色，这里意思是：这可是顾客盈门的生意
　　Announcer: _________________________________.
　　Woman: Hello? Fay's Family Restaurant?
　　Announcer: And _______________________ a way to ____ in more customers. Do you a) _________ your restaurant in a Yellow Pages that _______ only __________ of your market? Hmmm, that doesn't _______ very busy, does it? Well, how about b) advertise in the Yellow Pages that_________________ of your market? Still a little ____ . Okay, let's try c) advertise your restaurant in the book with the red cover, the Sprint Yellow Pages; the Yellow Pages that reaches __________ of the Huntington County area.
　　Man: Order up!sgroupsup!
　　Announcer: Now that's a business that's really _______. So if you want to ____ more customers, advertise in the Yellow Pages that more people use-the Sprint Yellow Pages-_______________________.