对烤瓷合金的要求不正确的是()。 A.铸造性能好 B.收缩变形小 C.弹性模量小 D

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问题:

对烤瓷合金的要求不正确的是()。

A.铸造性能好

B.收缩变形小

C.弹性模量小

D.湿润性好

E.不易变形和磨损

考点:山东住院医师口腔颌面外科Ⅱ阶段专业理论专业理论题库
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泸州张坝盛产桂圆,其肉厚鲜嫩,色泽晶莹,果汁甜美而享有盛誉.桂圆的果实是由下列哪个结构发育而来的(  )

A.受精卵

B.子房

C.子房壁

D.胚珠

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在2000年版《中国药典》(一部)的制剂通则中收载了

A.乳剂

B.搽剂

C.合剂

D.酊剂

E.控释制剂

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下图为我国某地农产品产值百分比构成图。读图,回答下列小题。

小题1:该地农业地域类型是

A.季风水田农业

B.混合农业

C.大牧场放牧业

D.乳畜业小题2:该农业地域类型的分布地最有可能是

A.珠江三角洲平原

B.西欧平原

C.美国中部平原

D.阿根廷潘帕斯草原

题型:单项选择题

医药经营企业的营业场所应

A.检测和调节温、湿度的设施
B.配备必要的冷藏箱(柜)等设施,防止商品变质
C.明亮、整洁、无环境污染源
D.专门的生活区和办公区
E.必要的场所及与经营品种和规模相适应的化验仪器、设备

题型:单项选择题

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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