具有镇痛作用的物质是 A.钾离子 B.β内啡肽 C.缓激肽 D.乙酰胆碱 E.组织胺

题型:单项选择题

问题:

具有镇痛作用的物质是

A.钾离子
B.β内啡肽
C.缓激肽
D.乙酰胆碱
E.组织胺

考点:卫生资格考试(中初级)麻醉主治医师麻醉药理学(一)
题型:单项选择题

(2013·湖北,21)Poetry written from the________of the urban youth tends to reveal their anxiety over a lack of sense of belonging.

A.perspective

B.priority

C.participation

D.privilege

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公共财政的基本特征有()。

A.弥补市场失灵

B.提供公平服务

C.规范市场竞争

D.非营利性

E.法治性

题型:单项选择题

阅读理解。

     The organization, Keep Time for Children, was started in 2002 to make people realize the importance of family time on weekends, particularly for families with school age children. __1__ We will try to help

parents take one day off on weekends to be with their family. __2__ What children want and need most

is to spend time with their parents, not with toys or taking part in activities. But with more and more people working on weekends, many children of school age don't see their parents anywhere near as often as they should. __3__ The movement is designed for families of all types and sizes under increasing pressure to

work on weekends. Because weekends are the very time when school age children are at home and in

need of their parents. We are going to put forward a Family Day Bill (议案) to the government. __4__ It

is aimed to solve the problems of increasing "shift (换班的) parenting" and of young children being left

"home alone" on weekends. __5__ If parents have a day off, they can spend a lot of time and energy with their children to share their happiness.

A. Keep Time for Children is now starting a movement.

B. The law is likely to make sure that parents take good care of their children.

C. Our aim is mainly to encourage parents to spend time with their children.

D. An American set up the organization.

E. It would give every parent of children under the age of 16 the right in law to a weekend day off each

week.

F. Our time is the most important thing that we can give our children.

G. Parents who do not share enough time with their children are to blame.

题型:单项选择题

标准时间同步钟本体应有()等几种告警信号输出。

A.电源中断

B.GPS卫星信号消失

C.IRIG-B(DC)时码消失

D.设备自检出错

题型:单项选择题

宗教性和艺术性在哥特式教堂中的结合?

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