2016高考英语二轮(阅读理解)精品训练(04)及答案
A
On May 21,1999, some American scientists were working at the computers to look for information they needed. Suddenly they saw a lot of very bright red spots crossing the computers' screens. At the same time the computers were working much slower. To find out what was happening, they stopped their work to check some parts of the computers. To their horror, they found out that most of their stored information was got rid of by computer viruses(病毒) ! Obviously all these computers had been infected by computer viruses.
It is said that the computer viruses were made by two or three Philippine young men food of playing tricks. They all had excellent education. They created the viruses just to show their intelligence(才智). The kind of computer virus is named"Love You"Virus This virus can hide in computers for a long time. When the time comes they will attack the computers by lower- ing the important fimctlons(功能), damaging their normal pro grams or even getting rid of a great deal of information which operators of the computers often use or store. What's worse, it still can reproduce itself in great quantities within a short time.
We have come to know that" Love You"Virus often at- tacks computers on Mondays and that it is spreading to many computers in the world.
Among the countries that suffered computer viruses recent years are Britain, Australia, Switzer- land and the U. S. Those who made the computer viruses have been found out slowly and carefully. But till now, how to get rid of the terrible viruses remains a problem.
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