So, you love the Internet. It's a great place to find information or go shopping. It's fun, but do you spend a lot of time online? Experts say 6%0 of Internet users are Internet addicts (上瘾的人)－they are always online. “Internet addicts are often young people,” says one expert, “and they usually have problems with family, friends, work, and school”.​Go through the following check list. If you answer yes to all these questions, maybe you are Internet addict.​1. Do you spend a lot of time on the Internet? 口Yes口No​2. Do you think or talk about the Internet all the time? 口Yes口No ​3. Are all your friends" Internet friends"? 口Yes口No​4. Is the Internet your only hobby? 口Yes口No​5. Do you ever miss appointments(约会) because you are online? 口Yes口No​So, what do you do if you think you are an addict? Go to an advice service. Where is it? On the Internet, of course!​​15. This passage is mainly about_____.​