基本技能再回顾及应用 (以上各种干扰项的特征需牢记在心)
要求：
1。一定要控制自己不看原文直接选择答案的冲动!
2。写出每一个题目里面的错误类型，。
下面的各篇文章题目对我们以上讲过的干扰选项的所有情形包含在内了。要小心应付。
Passage I.
In the villages of the English countryside there are still people who remember the good old days when no one bothered to lock their doors. There simply wasn't any crime to worry about.
Amazingly, these happy times appear still to be with us in the world's biggest community. A new study by Dan Farmer, a gifted programmer, using an automated investigative program of his own called SATAN, shows that the owners of well over half of all World Wide Web sites have set up homes without fitting locks to their doors.
SATAN can try out a variety of well-known hacking (黑客的) tricks on an Internet site with-out actually breaking in. Farmer has made the program publicly available, amid much criticism. A person with evil intent could use it to hunt down sites that are easy to burgle (闯入......行窃).
But Farmer is very concerned about the need to alert the public to poor security and, so far, events have proved him right. SATAN has done more to alert people to the risks than cause new disorder.
So is the Net becoming more secure? Far from it. In the early days, when you visited a Web site your browser simply looked at the content. Now the Web is full of tiny programs that automatically download when you look at a Web page, and run on your own machine. These programs could, if their authors wished, do all kinds of nasty things to your computer.
At the same time, the Net is increasingly populated with spiders, worms, agents and other types of automated beasts designed to penetrate the sites and seek out and classify information. All these make wonderful tools for antisocial people who want to invade weak sites and cause damage.
But let's look on the bright side. Given the lack of locks, the Internet is surely the world's biggest (almost) crime-free society. Maybe that is because hackers are fundamentally honest. Or that there currently isn't much to steal. Or because vandalism ( 恶意破坏) isn't much fun unless you have a peculiar dislike for someone.
Whatever the reason, let's enjoy it while we can. But expect it all to change, and security to become the number one issue, when the most influential inhabitants of the Net are selling services they want to be paid for.
21. By saying "... owners of well over half of all World Wide Web sites have set up home without fitting locks to their doors" (Lines 3-4, Para. 2), the author means that _____.
A) those happy times appear still to be with us 干扰伎俩: 答非所问+偷换范围
B) there simply wasn't any crime to worry about 照抄原句 直接排除
C) many sites are not well-protected
D) hackers try out tricks on an Internet site without actually breaking in 偏离定位句子，偷梁换柱。
破解思路：答案推理需结合已通读部分(第一、二段首句)和文章主线(网络安全)。
对比喻的理解，找出本体和寓体，然后对照寓体的性质判断本体的性质。千万不能直接选择字面意思!
22. SATAN, a program designed by Dan Farmer can be used ____________.
A) to investigate the security of Internet sites
B) to improve the security of the Internet system
C) to prevent hackers from breaking into websites
D) to download useful programs and information
对原文内容进行两次定位，答案是对两处信息的概括 investigative和... try out...
23. Farmer's program has been criticized by the public because .
A) it causes damage to Net browsers
B) it can break into Internet sites
C) it can be used to cause disorder on all sites
D) it can be used by people with evil intent
publicly 勉强算作一个定位提示，criticism 是关键。问题设置常见方式：同义替换。
24. The author's attitude toward SATAN is _____.
A) enthusiastic B) critical C) positive D) indifferent
重要提示：表现作者态度的句子的特征
1. 直接陈述式(主语是事、物)。
2.使用评述性的副词在其他人的话里面。
3.他人的论述后面有连词引出另外一种说法，见第一条。
4.其他人的说法后面的括号里的内容。
态度题常见选项
arbitrary, concerned, critical, sarcastic, ironical, indifferent, sympathetic, enthusiastic, cautious, neutral, objective, subjective, optimistic, pessimistic, positive, negative, etc.
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