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  • 更新 2022-09-03
  • 科目 英语
  • 题型 阅读理解
  • 难度 中等
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The Internet is not perfect. There are many problems with it. The Internet is not organized. There is no one in charge of the Internet. It is sometimes difficult to find what you are looking for. It is also easy to get the wrong information on the “Net”. Some businessmen cheat people on the Internet. Internet thieves can steal credit card numbers. Some advertisers send spam to e-mail boxes. E-mail boxes are often filled with these unwanted advertisements. Illegal(不合法的) businesses can operate on the Internet. These businesses sell X-rated materials, cigarettes and alcohol to teenagers.
The Internet has websites with information about making bombs, breaking the law and terrorism. Criminals(罪犯) can fool people, especially children, in chat rooms. They can spread poisonous(有毒的) information and attack new members.
The Internet is the greatest advance in communication since human appeared. But it can also be like a dark road in a dangerous part of town. Parents need to set parental controls on their children when they use the Internet. This will keep some of the bad material away from their children. The Internet can be dangerous to computers, too. Some people who have bad intentions enjoy causing problems for other people they don’t even know. They create computer viruses(病毒). A computer can get virus by downloading a program that has a virus in it. Some virus come by e-mail.
A virus can destroy the data a person has saved in computer files. A virus can cause a computer to crash(崩溃). A virus can also reproduce(复制) itself! It can send copies of itself to everyone on a person’s e-mail address list. Then these people’s will have the same problems and can’t work normally!
The underlined word “spam” in the third paragraph means ___________

A.letters B.products
C.useless information D.poisonous information

Why can illegal businesses operate on the Internet?

A.Because there is no one in charge of the Internet.
B.Because some people like to buy banned products on the Internet.
C.Because X-rated materials, cigarettes, alcohol and so on can be sold well on the Internet.
D.Because people who operate businesses on the Internet are criminals.

Parental controls are needed when children use the Internet because________

A.children can’t use the computers well
B.children may damage the computers
C.the Internet is always unsafe for the children
D.poisonous information may have a bad effect on children

The harm of a computer virus is that___________

A.it can change the saved data in computer
B.it can reproduce the computer
C.it can make the computer operate ill
D.it can destroy the saved files and the computer itself

We can infer from the passage that the key to solving the problems with the Internet is____________

A.to improve the computers B.to improve people’s moral (道德)level
C.to order people not to use the Internet D.to find a medicine to kill computer viruses
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TheInternetisnotperfect.Therea