填空题

Many people throughout the world are worried about their computers. They fear the machines have been (36) ___________by a virus. A virus is a program that could destroy all the information the computers contain. It can remain (37) ___________in a computer for a long time and then without warning it can destroy. It is (38)___________to a virus in the body that does not immediately cause disease. Nobody knows who created the (39) ___________computer program, but it is known that the virus (40) ___________from computer to computer through the (41) ___________of programs that secretly carry it. If the virus becomes active, it could do a lot of damage. For example, it could cause companies or hospitals to lose all of their important (42) ___________. Some experts have tested the virus and they say it will become active only if the computer is turned on when the computer’’s clock (43) ___________March 6th. (44)___________________________. Computer companies are also selling special programs that can find viruses and deactivate them. (45) ___________________________. Then no information will be lost if the computer is affected by a virus. People found guilty of spreading viruses may be forced to pay large amounts of money and they could be sent to prison. (46)______________________________________