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【单选题】
According to Banfield, sometimes hackers talk about their work _____.
A.
at public conferences
B.
in emails to their friends
C.
in online chatrooms
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Programmers and systems analysts for governments, organizations, and businesses worked feverishly to create repairs that would prevent such a collapse.
A.
There could have been a lot of serious problems if the world didn't prepare for Y2K.
B.
Trying to fix the computer problems for Y2K made many people sick.
【单选题】A recent background paper by the United Nations on fighting cybercrime, or Internet criminals, calls cyberspace "the fifth common space—after land, sea, air, and outer space."
A.
The United Nations shouldn't become involved in preventing cybercrimes
B.
This is an issue that affects people all over the world.
【单选题】In the not too distant past, viruses used to make your computer run slower. You'd get weird pop-up ads, and your computer would freeze or crash.
A.
Viruses were more powerful in the past.
B.
It used to be easy to tell if you had a virus.
【单选题】Symantec, a company that develops security software, says that in 2007 they identified just over 600,000 viruses and worms, but that was up to 1.6 million in 2008.
A.
The problem of cybercrime is increasing.
B.
Security software is weaker than it used to be.
【单选题】However, police in the United Kingdom and Finland just worked together to successfully find and prosecute a wanted group of criminals. This group had infected hundreds of thousands of computers...
A.
International cooperation can work when fighting cybercrime.
B.
The United Kingdom and Finland have more problems with cybercrime than other countries.