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　　Television has changed our lives in many ways．Many people now spend more time watching TV than doing anything else．Researchers in the USA has estimated(估計)that when most students leave school they have spent 11000 hours in the classroom and 22000 hours watching television．But what effect does this have?

　　Benefits(好處)of television：

　　Television helps us to learn more about the world and to know and see many new things．Television can offer present information to us in a more effective way than books．It can also make things more memorable．

　　It entertains(使歡樂)us．It is an enjoyable way to relax．For millions of people around the world, television is a source of companionship and helps them to cope with everyday life．

　　It has increased the popularity of sports and arts．

　　It has made us aware of our global responsibilities．In 2000, for example, 1．5 billion people in 147 countries watched a TV pop concert and helped to collect more than ＄100 million for people in Africa．

　　Dangers：

　　Television can make us passive(消極的)．We don’t have to think and our brains become lazy．

　　It encourages us to buy things that we don’t need, and can make us unhappy with our own life．

　　It takes time away from activities such as reading, conversation, and games．

　　It gives a false picture of society．A study in 2003 showed that people who watch a lot of TV are more afraid of crime．They also think that there is a lot more crime than there really is．

　　Some critics(批評家)say that television make people violent．A ten-year study in the United States showed that children who watch violent television programmes are more likely to be violent themselves．

(1)

What’s the proper description of the time American students spend on TV and study?

[　　]

A．

They spend twice as much time on TV as in the classroom．

B．

They spend twice as much time in the classroom as on TV．

C．

They spend as much time on TV as in the classroom．

D．

They spend less time on TV than in the classroom．

(2)

The underlined word “memorable” is closed in meaning to ________．

[　　]

A．

easy to be remembered

B．

remembered forever

C．

interesting

D．

knowledgeable

(3)

Which of the following number in NOT true of the pop concert mentioned in the passage?

[　　]

A．

People in more than 140 countries watched it on TV．

B．

It helped to collect more than ＄100 million．

C．

It was held in 2000．

D．

1.5 million people watched it on TV．

(4)

According to the passage, the dangers of watching TV too much included all the following except that ________．

[　　]

A．

television can make us active

B．

television encourages us to buy things that we don’t need．

C．

television gives us a worse picture of society

D．

television takes tie away from a lot of activities．

(5)

Why does the author say that watching TV too much gives a false picture of society?

[　　]

A．

A study showed that people who watch a lot of television think there is more crime than there really is．

B．

A study showed that people who watched a lot of television are less afraid of crime．

C．

A study showed that children who watch violent television programmes are more likely to be violent themselves．

D．

Because many critics also say it．

答案：1．A;2．A;3．D;4．A;5．D;
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Its ability to pass on the virus frequently．

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(1)

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[　　]

A．

dead

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C．

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A．

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A．

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Who Can Drink Energy Drinks?

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[　　]

A．

a technical failure

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a technical wonder

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[　　]

A．

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[　　]

A．

to have a working life of 10 or 20 years

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to be set fully in the patient's chest

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to be equipped with an external power source

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to create a new passage for infection

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makers of artificial hearts

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new models of artificial hearts

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Some people feel that ________．

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artificial hearts are seldom effective

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the country should not spend so much money on artificial hearts

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the country is not spending enough money on artificial hearts

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(1)

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[　　]

A．

He teaches chemistry at MU．

B．

He developed a chemical battery．

C．

He is working on a nuclear energy source．

D．

He made a breakthrough in computer engineering．

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Jae Kwon gave examples in Paragraph 4 ________．

[　　]

A．

to show chemical batteries are widely applied．

B．

to introduce nuclear batteries can be safely used．

C．

to describe a nuclear-powered system．

D．

to introduce various energy sources．

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Liquid semiconductor is used to ________．

[　　]

A．

get rid of the radioactive waste

B．

test the power of nuclear batteries．

C．

decrease the size of nuclear batteries

D．

reduce the damage to lattice structure．

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According to Jae Kwon, his nuclear battery ________．

[　　]

A．

uses a solid semiconductor

B．

will soon replace the present ones．

C．

could be extremely thin

D．

has passed the final test．

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The text is most probably a ________．

[　　]

A．

science news report

B．

book review

C．

newspaper ad

D．

science fiction story

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