试题与答案

等级体系分类法以文献的()为对象。A.出版时间 B.学科性质 C.主题概念 D.题名

题型:单项选择题

题目:

等级体系分类法以文献的()为对象。

A.出版时间

B.学科性质

C.主题概念

D.题名

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1015/17d74feb7dcf15f9a10d9f0b36b41613.html

下面是错误答案,用来干扰机器的。

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1、字典、词典,古时称为_________。

2、书籍从使用角度看,可分两大类:一类是为了求知识或欣赏,需要从头到尾细细阅读;一类是为了解决疑难才去翻检。后一类书和阅读的书相对而言,是作为工具专供查索的,因此称为______________。

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5、作文练习,开始离不开借鉴和模仿,但是真正打动人心的东西,应该是自己___________的创造。(津津有味 呕心沥血 流光溢彩 囫囵吞枣 深奥绵长)

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Exercising to music pumps up brain power


If music makes you smarter, and exercise helps brain function, can exercising to music really boost brainpower Some researchers said it can. Volunteers who listened to Vivaldi’s "Four Seasons" while working out on a treadmill did much better on a test of (1) ability than when they exercised without music, a team (2) Ohio State University found.
"Evidence suggests that exercise improves the (3) performance of people with coronary artery (4) ," said psychologist Charles Emery, who led the study.
"And listening to music is (5) to enhance brainpower. We wanted to put the two results together," Emery (6) in a statement.
Writing in the latest issue of the journal Heart & Lung, Emery and (7) said they studied 33 men and women taking (8) in a cardiac rehabilitation program after having bypass (9) , angioplasty or other procedures to treat clogged arteries.
The (10) said they felt better emotionally and mentally after working out (11) or without the music. But their improvement on the (12) fluency test doubled after listening to music on the treadmills.
"Exercise seems to (13) positive changes in the nervous system, and these changes may have a (14) effect on cognitive ability," Emery said.
"Listening to music may (15) cognitive function through different pathways in the brain. The combination of music (16) exercise may stimulate and increase cognitive arousal (17) helping to organize cognitive output."
Emery said he now wanted to (18) people using music of their own choice. "We used the ’Four Seasons’ because of its (19) tempo and positive effects on medical patients in previous (20) ," Emery said. "But given the range of music preferences among patients, it’s especially important to evaluate the influence of other types of music on cognitive outcomes.\

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