The computer is a useful machine. It can help people very much in daily life. For example, it can save much time to do the same work, and it can help people work out difficult problems that people can’t do easily. What’s more, the computer makes it more convenient and quick to send and receive messages. In the new century, it seems that it’s more necessary for everyone to learn how to use computers even for the old. The computer is really an important tool in modern life.

Today, more and more families have computers. Parents buy computers for their children. They hope computers can help their children get good grades. Yet, many children use computers to play games, to watch videos, and to sing karaoke, instead of studying. So, many teachers and parents complain that computers can’t help their children to improve their studies but instead make them fall behind. Because of this, computers are locked in boxes by parents.

In some other countries even some scientists hate computers. They say that computers cause millions of people lose their jobs or cause them a lot of trouble.

Who knows what the computers of tomorrow will be like? Will they really make life better, or will they bring trouble to people? The students today will have to decide how to use the computers of tomorrow.

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1.From the passage we know that the computer makes it more convenient and quick to _______.

A work out difficult problems

B send and receive messages

C improve students' studies

D learn a new language

解析：选B。细节理解题。依据文中What’s more, the computer makes it more convenient and quick to send and receive messages. 可知电脑使得收发信息更方便、快捷。故选B。

2.Parents hope computers can help their children __________.

A play games

B watch videos

C sing karaoke

D get good marks

解析：选D。细节理解题。依据第二段的第二句“Parents buy computers for their children. They hope computers can help their children get good grades.”可知父母给孩子们买电脑，希望电脑能帮助孩子们得到高分。故选D。

3.Some scientists dislike computers because they think ___________.

A computers are bad for our health

B computers make millions of people lose their jobs

C computers make our life hard

D computers make people crazy

解析：选B。细节理解题。依据第三段的“They say that computers cause millions of people lose their jobs or cause them a lot of trouble.”可知科学家们不喜欢电脑的原因是电脑使数百万人失业。故选B。

4.According to the passage, which of the following is NOT TRUE?

A The computer is very important in our daily life.

B It's necessary for the old to learn how to use computers.

C Computers take up children a lot of time.

D Parents encourage their children to try to use computers more.

解析：选D。综合性判断题。依据第一段可知A、B与原文相符；依据第二段的“many children use computers to play games, to watch videos, and to sing karaoke, instead of studying.”可知电脑占据了孩子们很多时间；依据第二段的“Because of this, computers are locked in boxes by parents.”可判断D与原文不符。

5.What is the best title of the passage?

A Some Advantages and Disadvantages about Computers

B How to Use the Computer in Our Study

C Why Are Computers Locked by Parents?

D What do the Children Use the Computer to Do?

解析：选A。主旨大意题。通读全文可以判断出本文主要讲的电脑的利与弊，故选A。