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　　When the TV viewer turns on his set, what sort of programs does he have to choose from? You might think there would be more programs devoted to entertainment than to anything else, but that's not the case. In most countries, fewer than 20％ of broadcasting hours are devoted to entertainment. U.S. figures are high--34.8％, and the fun-loving Canadians are even higher with 44％. Except Canada and Italy, all countries give more broadcasting time to education than to either information(news, documentaries and so on) or entertainment programs. Of course, few educational broadcasts take place during peak viewing times. In Japan though, more than 60％ of broadcasting time is taken up with education of one kind or another--just another example of the business-like Japanese philosophy. In the U.K., the figure is 56.4％. The Italians have fewer educational programs than anyone else. They don't go in for entertainment either. Only about ten percent of viewing time is devoted to dramas and serials, quiz shows, music, sports, etc. You will find more news information programs on Italian TV than anything else. That's understandable in a country experiencing social and political changes. The Italians rely on TV to tell them what's going on--and events are happening almost too fast to follow. The percentage of time the U.S. devoted to news and documentary programs is much smaller. After education, most TV time is given to entertainment. Many of these programs are shown around the world.

1．Based on this passage, the percentage of TV broadcasting hours devoted to education is greatest in _____.

[　　]

A．Japan　　　B．Italy

C．Canada　　 D．the United States

2．More news information programs are broadcast on Italian TV than anywhere else because the Italians _____.

[　　]

A．are interested in what is happening in the world

B．like to experience social arid political changes

C．like watching news programmes better than anything else

D．expect TV to tell them about what is going on in their country

3．So far as the broadcasting hours devoted to entertainment are concerned, _____.

[　　]

A．the Japanese figure is the highest in the world

B．the U.S. figure is smaller than the U. K. figure

C．the U. K. figure is second to the Japanese figure

D．the Canadian figure is higher than that of any other country

4．From this passage, we learn that most TV stations in the world devote more broadcasting hours to _____.

[　　]

A．educational programs

B．entertainment programs

C．news programs

D．sports programs

5．Which of the following would the writer most probably agree with?

[　　]

A．In most countries the education channel has the largest number of viewers.

B．The television is a tool for education rather than for entertainment.

C．Educational programs are the most popular in most countries.

D．People tend to think most TV stations devote more hours to entertainment.

答案：A;D;D;A;D
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How Long Can People Live?

　　She took up skating at age 85, made her first movie appearance at age 114, and held a concert in the neighborhood on her 121st birthday．

　　Whe n it comes to long life, Jeanne Calment is the world’s recordholder．She lived to the ripe old age of 122．So is 122 the upper limit to the human life span(寿命)?If scientists come up with some sort of pill or diet that would slow aging, could we possibly make it to 150－or beyond?

　　Researchers don’t entirely agree on the answers．“Calment lived to 122, so it wouldn’t surprise me if someone alive today reaches 130 or 135,”says Jerry Shay at the University of Texas．

　　Steve Austad at the University of Texas agrees．“People can live much longer than we think,”he says．“Experts used to say that humans couldn’t live past 110．When Calment blew past that age, they raised the number to 120．So why can’t we go higher?”

　　The trouble with guessing how old people can live to be is that it’s all just guessing．“Anyone can make up a number,”says Rich Miller at the University of Michigan．“Usually the scientist who picks the highest number gets his name in Time magazine．”

　　Won’t new anti-aging techniques keep us alive for centuries?Any cure, says Miller, for aging would probably keep most of us kicking until about 120．Researchers are working on treatments that lengthen the life span of mice by 50 percent at most．So, if the average human life span is about 80 years, says Miller,“adding another 50 percent would get you to 120．”

　　So what can we conclude from this little disagreement among the researchers?That life span is flexible(有弹性的)，but there is a limit, says George Martin of the University of Washington．“We can get flies to live 50 percent longer,”he says．“But a fly’s never going to live 150 years．”

　　“Of course, if you became a new species(物种)，one that ages at a slower speed, that would be a different story,”he adds．

　　Does Martin really believe that humans could evolve(进化)their way to longer life?“It’s pretty cool to think about it,”he says with a smile．

(1)

What does the story of Jeanne Calment prove to us?

[　　]

A．

People can live to 122．

B．

Old people are creative．

C．

Women are sporty at 85．

D．

Women live longer than men．

(2)

According to Steve Austad at the University of Texas, ________．

[　　]

A．

the average human life span could be 110

B．

scientists cannot find ways to slow aging

C．

few people can expect to live to over 150

D．

researchers are not sure how long people can live

(3)

Who would agree that a scientist will become famous if he makes the wildest guess at longevity?

[　　]

A．

Jerry Shay．

B．

Steve Austad

C．

Rich Miller

D．

George Martin

(4)

What can we infer from the last three paragraphs?

[　　]

A．

Most of us could be good at sports even at 120．

B．

The average human life span cannot be doubled．

C．

Scientists believe mice are aging at a slower speed than before．

D．

New techniques could be used to change flies into a new species．

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