In the near future, people in some parts of the world will watch a new kind of television. It is called the high definition television or the HD-TV. The main difference between an HD-TV and a normal television is the picture. It is more clear and detailed. This is because the HD-TV has many more points and lines that make a television image. Every color television picture contains thousands of red, green and blue points. They all come together as an image in the eye of the person watching. The points are organized in lines that go across the television screen. There are more than five hundred lines in a normal television. The HD-TV has two times as many. To get this clear picture, you must have a big screen. Experts say people using a small screen will see little difference.
The HD-TV also has clear sound. It is like the sound on a CD. All these improvements make an HD-TV very costly. One kind in Japan now sells for more than twenty thousand dollars .A major problem with the HD-TV is its broadcast signal（传播信号.The signal is bigger than normal because it carries more electronic information.
1. What is the main difference between an HD-TV and a normal television? It is .
A．the picture B．the shape C．the voice D．the weight
2. What is a color TV image?
A．It is made up of thousands of red, green, and blue points.
B．Points are organized in lines that go across the TV screen.
C．It is a black and white picture
D．Both A and B
3. How many lines does an HD-TV have?
A．Over 250 B．More than 500
C．More than 1,000 D．About 250
4. What should you do if you want to get a clear and detailed picture from an HD-TV?
A. You must have the bigger signal for the HD-TV.
B. You have to get a big screen.
C. You should have a compact disc player.
D. Both A and B.
1.A
2.D
3.C
4.D
【解析】
试题分析：本文介绍了一种新型的电视HD-TV的特点和具体的数据。
1.A 细节题。根据文章第一段2,3行The main difference between an HD-TV and a normal television is the picture.说明最大的差别在于图片，故A正确。
2.D 细节题。根据第一段5,6,7,8行Every color television picture contains thousands of red, green and blue points. They all come together as an image in the eye of the person watching. The points are organized in lines that go across the television screen. There are more than five hundred lines in a normal television.说明AB两项都是彩电的特点，故D项正确。
3.C 细节题。根据第一段7,8行There are more than five hundred lines in a normal television. The HD-TV has two times as many.可知一般的彩电是5万多条线，而HD-TV是其两倍，也就是1万多条，故C正确。
4.D 细节题。根据第一段倒数第二句To get this clear picture, you must have a big screen.
和第二段最后一句The signal is bigger than normal because it carries more electronic information.可知AB两项都是正确的。故D正确。
考点：考查科普类短文阅读
点评：本文介绍了一种新型的电视HD-TV的特点和具体的数据。考查科普类短文阅读，此类文章的最大的障碍是词汇以及考生对阅读内容的不熟悉，需要考生在阅读的时候有足够的耐心。要养成在上下文串联中猜测词义的能力，根据上下文中出现的同义词，近义词，反义词，以及词义的解释来理解生词。同时要抓住文章的中心，不要受其他信息的影响。要根据题目及选项以及文章的上下文串联合理的判断推理。
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10. Who will be interested in this passage?
A. Doctors who treat diabetes. B. People who like free books.
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11. What information will the booklet provide for its readers?
A. When to see a doctor. B. How to cure your diabetes.
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“We’ve got a public culture which is almost entirely commercial (商业化) and novelty – driven (追新),” says NEA chairman Dana Gioia. “I think it’s letting the nation down.”
The study gathers years of data on Americans’ reading habits and finds that, at every age group, we’re reading less.
Most of the data have appeared in private, government and university surveys, but today’s report is the first to combine them into a single portrait. It suggests that the demands of school, work and family and the decisive advantage of other forms of entertainment have caused the decline in reading for millions of Americans.
·Only 38% of adults in 2006 said they had spent time reading a book for pleasure.
·65% of college freshmen in 2005 said they read little or nothing for pleasure.
·30% of 13 – year – olds in 2004 said they read for fun “almost every day,” down from 35% in 1984.
According to Gioia, a poet, they decline is probably the single most important social issue in the United States today. The findings should be a wake – up call to educators to change the way they teach literature at every level. It was once believed that if someone went to college, they would become a lifelong reader. What we’re seeing right now is that we’re no longer producing readers. We’re producing B. A. s and M. A. s and Ph. D. s.
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2．According to Dana Gioia, the change of Americans’ reading habit .
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