新標(biāo)準(zhǔn)大學(xué)英語(yǔ)綜合教程第三單元reading-practise-在線瀏覽
2024-08-24 21:51本頁(yè)面
【正文】 . It can keep all the record of the victims of online attack.C. It provides professional suggestions for individuals to handle cyber crime.D. It sets up a special mechanism only for authorities.4.What kind of regulatory agency is NOT mentioned in the passage?A. state agencyB. federal agencyC. rural agencyD. local agency5.What can you conclude from the passage?A. Net crime is not so popular at this moment.B. FBI is a center which can deal with the net crime.C. Cyber crime has many forms.D. We can depend on IC3 to fight against all the crimes.Questions 6 to 10 are based on the following passage or dialog.Viruses, in the broadest sense, e in three forms. Virus: This is a code that attaches itself to a program in a puter and then reproduces itself. It can erase files or lock up a system. Worm: This is similar to a virus but does not attach itself to files or programs in a puter. This leaves it free to spread through a network on its own. Trojan horse: This is a program that performs malicious actions while pretending to do something else. It is similar to a virus but does not try to reproduce itself. The first PC virus—the Pakistani Brain virus—appeared in 1986. According to virus experts, as many as 200 new viruses are created every month. According to MessageLabs, in 2000 one in every 790 s contained a virus。 and, in 2002, it was one in every 212. In 2002, the top three viruses were , and Bugbear. The most prolific virus ever is Klez and MessageLabs estimates that one in every 300 s sent today contains a variation of the Klez virus. However, it is believed that there are around 20,000 different puter viruses in existence, many of them placed on the Internet deliberately to cause confusion or damage. The threat of new, selfpropagating (自動(dòng)傳輸) viruses is growing. Melissa, ExploreZip and SkaHappy99 forward themselves by hijacking a puter program which gives them the potential to attack globally in days. The Melissa virus originated by David Smith in March 1999 and named after one of his favorite strippers is believed to have cost businesses worldwide an estimated $385 million in damage to their systems. It led to Smith receiving 20 months in prison and a $5,000 fine. The infamous Love Bug virus of 2000 infected 45 million people in a single day and went on to cause a staggering $ billion in damage. In 2001, we had the SirCam virus which, although more irritating than dangerous, still ca
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