5．
Do you know any people like these？They are part of a new addiction（癮）（51）called（call） Internet addiction．According to experts，Internet addicts（迷）spend at least thirty to forty hours online every week．They lose control（52）ofthe time they spend on the Internet．
For example，one college student was（53）missing（miss） for several days．His friends were worried and 1ooked for him everywhere but couldn't find him．They called the police．The police found the student in the computer lab：he was surfing the Internet-for seven days straight．
A study shows that about six to ten percent of Internet （54）users（use） become addicted．The teenager spend more time on the Internet than （55）with friends and family．That's why some experts worry most about young people．
Is"（56）surfing（surf） the Internet"a hobby or all addiction for you？You may
have a problem if you have one of the following symptoms（癥狀）：
★You go out with your friends less and less．
★You can't wait to get online again．
★You've（57）decided（decide） to spend a short time online，but then you spend several hours．
★You do not go to important family（58）events（event） or you do not do school projects because you like to spend hours on the Internet．
What is the solution？Some experts suggest that people set（59）strict（strict） limits on their time for Internet use．You have to learn to control it，（60）orthe Internet would control you．
