阅读下面短文，选出最佳答案。

Host: Boys and girls, welcome to Teen Talk. Do you often make friends on the Internet? Do you have you  are chatting with your net friends? What problems make you puzzled (困惑的)?  Today, David Smith is here. He will give us some advice.
Problems	Advice
Peer: If my net friends want to know my   phone number, what should I do?	David: You'd better not tell strangers your phone number.  Knowing your phone number, they might know where you live, and they can call vou or vour Darents often. Sometimes it will bring you much trouble.
John: Sometimes, I meet some adults. I have nothing to chat with them, What should I do?	David: If you don't like talking with them, skip it. And look for some information you like. But sometimes, adults may give you some useful advice.
George If they want to visit my home or invite me to their homes, what should I do?	David:  If you want to see them, make sure that at least one of your parents can go to meet them, too. Inviting them to your house is good, or let a parent take you over to their houses.  Be sure you have a parent along with you.
Victor:Then, what else should we pay attention to?	David: If someone asks you not to tell your parents about him/her, you must tell your parents at once. If they  don't tell you much about themselves, maybe they're not the ones they  say they are
Host: It's time to end the program. Thank you.
David:  Boys and girls, if you are often online, be careful. Don't let strangers know you very easily

1. This passage is a_____.
A. talk show
B. piece of news
C. speech
D. class
2. What's the problem with the kids?
A. They don't know how to talk with David Smith.
B. Thev don't know what to do on the Internet.
C. Thev don't know how to look for information on the Internet.
D. They don't know what to do when their net friends ask them to do something.
3. The underlined words "skip it" mean"_____" in Chinese accorcling to the passage.
A. 忍受
B. 不用理会
C. 跳起来
D. 安静地听
4.  If your net friends want to invite you to their homes, according to David's advice, _____.
A. you should be friendly to them
B. you could meet them alone
C. make sure a parent is along with you when you meet them
D. make sure a friend is along with you when you meet them
5. What's David's opinion?
A. Don't tell much about yourself to strangers on the Internet.
B. Don't make friends on the Internet.
C. Don't chat with adults too much online.
D. You should believe in whal your net friends say.

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