试述教育规模经济形成的条件。

题型:问答题

问题:

试述教育规模经济形成的条件。

考点:自学考试高等教育自学考试高等教育自学考试教育经济学真题2011年1月
题型:问答题

不属病毒感染类型的是()。

A.慢性病毒感染

B.慢发病毒感染

C.潜伏性感染

D.败血症

E.隐性感染

题型:问答题

张亮同学在实验室做“观察水的沸腾”实验,当水温为82℃时开始记录数据,以后每隔lmin读一次温度计的示数,直到水沸腾一段时间后停止读数,其数据记录如下表所示.

时间/min01234567
温度/℃8286899498989898
请根据表格中的数据,在图中作出水的温度随时间变化的图线.

题型:问答题

含碳水化合物丰富的食物是()

A.谷类

B.薯类

C.根茎类蔬菜

D.叶类蔬菜

E.豆类

题型:问答题

在考生文件夹下打开EXC. XLS文件,将sheet1工作表的A1:D1单元格合并为一个单元格,水平对齐方式设置为居中;计算各种设备的销售额(销售额=单价×数量,单元格格式数字分类为货币,货币符号为¥,小数点位数为0);将工作表命名为“设备销售情况表”。

题型:问答题

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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