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阅读理解
Most people who work with computers have heard of how viruses can damage or destroy equipment and files, but some viruses can infect cellphones, too．Teenagers are the most vulnerable(易受攻击的)because of the ways they use their phones．
“My friend has a joke service．Every day, she gets a different joke,” said Niki Lamontagne, a cellphone user．
“Instead of jokes, I received messages like‘Tell me your birthday’,”said Presley Underwood, a 7th-grader．
If teenagers are not downloading jokes, it will be a song or picture, or the hottest new games．That’s how most phone viruses are spread．
“It will say ‘Download’, and if I click on it and it will come to me five minutes．Nothing really happens．I mean I get to play the games without knowing that I may get viruses,”said Darius Assin, a junior in a high school．
Most people do no know that cellphones are vulnerable to viruses．KPRC Local Two recently told government security leaders that a wave pf viruses spreading across Asia and Europe was on its way to cellphones in the US．Now an anti-virus firm is tracking eight different terrible cellphone bugs．Some viruses spread through the list of phone numbers which people keep in their phones．Houston computer security firms are preparing themselves for the attack．
Daniel Areemit of Timeer Networking said a cellphone user would think that he or she was just receiving a message．“Oh, this is a very cool picture．They click and download it．Then, their phones get infected,”Areemit said．
Some viruses can drain a cellphone user’s minutes, make long-distance calls at the user’s expense or steal pictures and e-mails．But one virus, called the Commwarrior, is spreading through the text message, which is a way of communicating for many teenagers．
The smarter phones or newer phones that use Bluetooth technology are the most vulnerable．Experts suggest turning off Bluetooth when it’s not in use．When it comes to materials for downloading or messages, experts say users should treat them like those on their home computers-don’t click on them or answer them if unsure, even if it looks as if they are sent by a friend．
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