题目内容

If our society ever needed a reading renaissance, it’s now. The National Endowment for the Arts released “Reading at Risk”last year, a study showing that adult reading __1__ have dropped 10 percentage points in the past decade, with the steepest drop among those 18 to 24. “Only one half of young people read a book of any kind in 2002. We set the bar almost on the ground. If you read one short story in a teenager magazine, that would have __2__,”laments a director of research and analysis. He __3__ the loss of readers to the booming world of technology, which attracts would-be leisure readers to E-mail, IM chats, and video games and leaves them with no time to cope with a novel.“These new forms of media undoubtedly have some benefits,”says Steven Johnson, author of Everything Bad is Good for You. Video games __4__ problem-solving skills; TV show promote mental gymnastics by __5__ viewers to follow complex story lines. But books offer experience that can’t be gained from these other sources, from __6__ vocabulary to stretching the imagination. “If they’re not reading at all,”says Johnson, “that’s a huge problem.”In fact, fewer kids are reading for pleasure. According to data __7__ last week from the National Center for Educational Statistics’long-tern trend assessment, the number of 17-yearr-olds who reported never or hardly ever reading for fun __8__ from 9 percent in 1984 to 19 percent in 2004. At the same time, the __9__ of 17-year-olds who read daily dropped from 31 to 22.This slow but steady retreat from books has not yet taken a toll on reading ability. Scores for the nation’s youth have __10__ constant over the past two decades (with an encouraging upswing among 9-year-olds). But given the strong apparent correlation between pleasure reading and reading skills, this means poorly for the future.A.percent B. remained C. rose D. rates E. percentageF.counted G. relieved H. present I. believing J. releasedK. forcing L.Improve M.styles N.building O.attributes

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以下叙述正确的是( )。

A. 一个字节由8位二进制数构成
B. 字节是衡量存储容量的基本单位。
C. 字节是衡量微机性能的重要指标。
D. 字节是衡量微机字长的基本单位。

以下叙述不正确的是( )。

A. 微机的字长可以是8、16、24、32位
B. 微机的字长可以是8、16、32、64位
C. 微机的字长可以是8、16、24、32K
D. 字长是指计算机处理数据的精度

小写字母’a‘的ASCII码值为( )。

A. 61H
B. 97
C. 41H
D. 65

当1与0或1进行( )运算时,结果均为1。

A. 逻辑‘与’
B. 逻辑‘或’
C. 逻辑‘非’
D. 逻辑‘异或’

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