ordinary people.

　　4. In the second sentence of the fourth paragraph, to "know the ropes"most probably means________.

　　A. to understand the situation

　　B. to control the situation

　　C. to get rid of the situation

　　D. to make sure what to do about thc situation

　　答案：

　　探究性命题综合测试

　　考场热身

　　一、Passage 1

　　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.

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