2006年12月英语四级最新模拟题三雪纺上衣电压力锅蜗杆皮夹克油炸锅

2006年12月英语四级最新模拟题(三)

大学英语4级考试

Col复合管材lege English Model Test Three

-Band Four-

Part ⅠWriting(30 minutes)

Directions: For this part, you are allowed thirty minutes to write a le电力仪器tter to yo通过提供优惠政策ur 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 Comprehension (Skimming and Scanning)(15 minutes)

Directions:In this part,you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questi打底裙ons ,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滤袋 the passage;

NG (for NOT GIVEN)if the information is not given in the passage.

For questions ,complete the sentences with information given in the passage.

Computer Crime

A computer crime is generally defined as one that involves the use of computers and software for illegal purposes. This doesn’t mean that a19、在可做实验项目上ll 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 committed without a computer. But with a computer, these offenses can be carried out more quickly and with less chance that the perso第2、测力活塞在油缸内磨擦力增大或卡死现象n responsible for the crime will be discovered.

Computer crimes are on the rise and have been for the last twelve years. Just how much these computer 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 average take from a company hit by computer crime is ＄600,000. A number of reasons are given for the increase in computer crime: (A) more computers in use and, thus, more people who are familiar with basic computer operation; (B) more computers tied together in satellite and other data-transmission networks; and (C) the easy access of microcomputers to huge mainframe data bases.

The Criminal

Movies and newspaper stories might lead us to believe that most computer crimes are committed by teenage “hac