[创造更适合我们班级孩子的“学讲”英语课]李涛涛 ]，自从徐州市推进 学讲计划 以来，一直在努力探索 学讲 之路，在这个过程中，经历了很多困难和挫折，但也意外收获了许多。学讲 课堂重视的是学生自己真实的学习的发生，所以学...+阅读
大学英语4级考试
College English Model Test Three
—Band Four—
Part ⅠWriting(30 minutes)
Directions: For this part, you are allowed thirty minutes to write a letter to your American friend Lawrence, to introduce Spring Festival in China and invite him to join you to spend this Spring Festival. Suppose you are Yuan Chao. You should write at least 120 words following the suggestions given below in Chinese:
1. 表达你对Lawrence的想念之情；
2. 介绍中国的春节；
3. 邀请Lawrence和你们一起过春节。
提示:在实考试卷中，该试题在答题卡1上。
A Letter to Lawrence
September 23, 2005
Dear Lawrence,
Yours,
Yuan Chao
Part ⅡReading prehension (Skimming and Scanning)(15 minutes)
Directions:In this part,you will he 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1-7,mark
Y (for YES)if the statement agrees with the information given in the passage;
N (for NO)if the statement contradicts the information given in the passage;
NG (for NOT GIVEN)if the information is not given in the passage.
For questions 8-10,plete the sentences with information given in the passage.
puter Crime
A puter crime is generally defined as one that involves the use of puters and software for illegal purposes. This doesn’t mean that all the crimes are new types of crime. On the contrary, many of these crimes, such as embezzlement of funds, the alteration of records, theft, vandalism, sabotage, and terrorism, can be mitted without a puter. But with a puter, these offenses can be carried out more quickly and with less chance that the person responsible for the crime will be discovered.
puter crimes are on the rise and he been for the last twelve years. Just how much these puter crimes cost the American public is in dispute, but estimates range from ＄3 billion to ＄5 billion annually. Even the FBI, which attempts to keep track of the growth or decline of all kinds of crimes, is unable to say precisely how large a loss is involved; however, it estimates that the erage take from a pany hit by puter crime is ＄600,000. A number of reasons are given for the increase in puter crime: (A) more puters in use and, thus, more people who are familiar with basic puter operation; (B) more puters tied together in satellite and other data—transmission works; and (C) the easy access of microputers to huge mainframe data bases.
The Criminal
Movies and newspaper stories might lead us to believe that most puter crimes are mitted by teenage “hackers”—brilliant and basically good children who let their imagination and technical genius get them into trouble. But a realistic look at the crimes reveals that the offender is likely to be an employee of the firm against which the crime has been mitted, i.e., an “insider”.
Difficulty of Detection and Prevention
Given the kind of person who mits a puter crime and the environment in which the crime occurs, it is often difficult to detect who the criminal is. First of all, the crime may be so plex that months or years go by before anyone discovers it.
Second, once the crime has been revealed, it is not easy to find a clear trail of evidence that leads back to the guilty party. After all, looking for “weapons” or fingerprints does not occur as it might in the investigation of more conventional crimes.
Third, there are usually no witnesses to the puter crime, even though it may be taking place in a room filled with people. Who is to say if the person at the next terminal, calmly keying in data, is doing the pany’s work or mitting a criminal act?
Fourth, not enough people in management and law enforcement know enough about puter technology to prevent the crimes. Authorities he to be familiar with the puter’s capabilities within a given situation to guard against its misuses. In some large cities, such as Los Angeles, police departments he set up specially trained puter crime units.
But even when an offender is caught, the investigators, attorneys (律师), judges, or juries may find the alleged crime too plicated and perplexing to handle. More attorneys are specializing in puter law and studying the puter’s potential for misuse.
After a puter crime has been discovered, many panies do not report it or prosecute （起诉） the person responsible. A pany may not announce the crime out of fear that the pubic will find out the weaknesses of its puter system and lose confidence in its anization. Banks, credit card panies, and investment firms are especially sensitive about revealing their vulnerabilities (脆弱性） because they rely heily on customer trust.
To oid public attention, cautious panies will often settle cases of puter tampering out of court. And if cases do go to trial and the offenders are convicted, they may be punished only by a fine or light sentence because the judge or jury isn’t fully trained to understand the nature and seriousness of the crime.
Not all panies are timid in apprehending puter criminals. For example, Connecticut General Life Insurance pany decided it had to get tough on violators. So when the pany discovered that one of its puter technicians had embezzled ＄200,000 by entering false benefit claims, it presented it findings to the state’s attorney and aided in the prosecution of the technician. The technician was found guilty and sentenced to prison, not just for the puter misuse, but also for grand theft and insurance fraud. Connecticut General now has a policy of reporting all incidents of theft or fraud, no matter how small.
提示:在实考试卷中，8-10题在答题卡1上。
1. The FBI knows exactly how large a loss is involved in puter crimes.
2. It has bee easy for microputer owners to use huge mainframe data bases.
3. It is implied in the Paragraph 3 that most puter criminals are the employees of the concerned panies.
4. Many panies dont report puter crimes because law procedures against puter crimes usually cost a lot of money.
5. When puter crime takes place in a room filled with people, there are usually many witnesses to the crime.
6. The passage is mainly about the increase of puter crimes in America and the difficulties in bating puter crimes.
7. puter crimes are on the rise because more cheap microputers are ailable.
8. According to the passage, puter crimes has been on the rise for the
last years.
9. Connecticut General Life Insurance pany is cited as of panies that took serious measures to fight against puter crimes.
10. Banks, credit card panies, and investment firms are especially sensitive about revealing their vulnerabilities because they place too much reliance on .
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