On Oct. 12, 1989, some Chinese scientists were working at the computers to look for the in- formation they needed. Suddenly they saw a lot of very bright spots crossing the computer’s screens. At the same moment 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). All these computers had been infected by computer viruses.
It is said that the computer viruses were made by a group of young men fond of playing tricks. They all have excellent education. They created the viruses just to show their intelligence. These kinds of computer viruses are named Jerusalem Viruses. These viruses can stay in computers for a long time. When the time comes they will attack the computers by lowering the functions, damaging normal programs or even getting rid of all the information.
We now
A. low speed of the computer’s functions
B. ruin of the normal programs
C. lack of information storage
D. loss of all the information stored in the computers
You are a graduate with a good degree which proves you have the capacity for to learn. Your degree course probably included plenty of Information Technology,
Systems division. After eight weeks’ intensive training, you will be all equipped （）我来回答:
