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听力习题:

  The Internet and Internet users can be targets forhackers. Hackers are people who use theircomputers to gain (36) _____ access to informationon other people's computers, via the Internet. Butthere are ways to (37) _____ the hackers.

  Until recently the opportunities for (38) _____activities on the Internet have been low. However, the (39) _____ of business done on theInternet is growing rapidly, as people order books and other products and make moneytransactions. All this is creating (40) _____ for hackers.

  Hackers are often young people who are (41) _____ by computers. They use them to prowl theInternet, looking for ways to break into computer systems run by banks, telephone companiesand even government departments. They look for examples of credit cards and try to steal thenumbers.

  Recently in America, hackers have been caught (42) _____ the security system at thePentagon, (43) _____ of the American Defense Department.

  "(44) ____________________________________________________________________ ,"says Michael White, multi-media product manager for Clear Communications.

  "You've got to know your vendor, you just don't give your credit card out to anybody," hesays. "(45) ____________________________________________________________________________ . If you don't, it's like leaving the bank vault door wide open."

  (46) _______________________________________________________________________________ .


【责任编辑:屈应兰】