阅读短文，选择正确答案。
"Tom? Are you in bed yet?" called Mrs.White. There was no answer. Mrs. White put down her book and
went to her 14-year-old son's room. Tom was sitting in front of a bright computer screen on which a motorbike
was running fast.
"Oh, Tom. You're still playing on that computer game. You must stop now, it's half past eleven. If you don't
go to bed soon, you'll be very tired tomorrow," said Mrs. White.
"But I've nearly won the game," Tom said to Mrs. White. She could see the excitement on his face. She sat
down beside him.
"You're always playing on the computer. You spend more time on this machine than on your homework."
Today more and more families have computers. Parents hope computers can help their children improve
their study at school. But many of their children use computers to play games and watch videos instead of
studying. We often see that computer net bars are crowded with people, especially young boys. They spend a lot
of money competing (竞争) with the computerized (用计算机控制的) machines. The more they lose, the more
they want to win. The result is that they don't want to work or study.
In some countries, even scientists hate computers. They say computers cause millions of people to lose their
jobs or cause them a lot of trouble. Computer game addiction (瘾) is a serious problem in social (社会的) life.
Something has to be done to solve the problem.
1. How did Mrs. White feel when she saw her son playing late? [ ]
A. She felt excited.
B. She felt happy.
C. She felt worried.
D. She felt wonderful.
2. Parents hope computers can _______. [ ]
A. help their children improve their study at school
B. help their children play well
C. help their children know a lot of Internet knowledge
D. help their children relax themselves
3. Many children use computers to _______. [ ]
A. watch videos
B. listen to songs
C. play games
D. A、B and C
4. The writer thinks _______. [ ]
A. the boys can go to the computer net bars, but the girls can't
B. the computer net bars are very useful
C. the children spend too much money on computer games
D. the children should play computer games
5. Why do some scientists hate computers? [ ]
A. They think computers cause millions of people to lose their jobs.
B. They think computers cause them a lot of trouble.
C. They think it's a waste of time to use computers.
D. Both A and B.