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问题 单项选择题


以下提供若干个案例，每个案例下设若干个考题。请根据各考题题干所提供的信息。在每题下面的A、B、C、D、E五个备选答案中选择一个最佳答案。

男性，22岁，北方人士。反复鼻血并渐进性鼻塞2年。

该病多数起源于

A．鼻甲

B．鼻中隔黏膜

C．副鼻窦

D．蝶骨体、枕骨基部

E．鼻软骨

答案

参考答案：D

解析：鼻咽纤维血管瘤发源于蝶骨体、枕骨基部，一般认为其起源于蝶、枕骨间纤维软骨膜或骨膜。

单项选择题

Modern liberal opinion is sensitive to problems of restriction of freedom and abuse of power. (1) , many hold that a man can be injured only by violating his will, but this view is much too (2) . It fails to (3) the great dangers we shall face in the (4) of biomedical technology that stems from an excess of freedom, from the unrestrained (5) of will. In my view, our greatest problems will be voluntary self-degradation, or willing dehumanization, as is the unintended yet often inescapable consequence of sternly and successfully pursuing our humanization (6) .

Certain (7) and perfected medical technologies have already had some dehumanizing consequences. Improved methods of resuscitation have made (8) heroic effort to "save" the severely ill and injured. Yet these efforts are sometimes only partly successful: They may succeed in (9) individuals, but these individuals may have sever brain damage and be capable of only a less-than-human, vegetating (10) . Such patients have been (11) a death with dignity. Families are forced to bear the burden of a (12) "death watch".

(13) the ordinary methods of treating disease and prolonging life have changed the (14) in which men die. Fewer and fewer people die in the familiar surroundings of home or in the (15) of family and friends. This loneliness, (16) , is not confined to the dying patient in the hospital bed. As a group, the elderly are the most alienated members of our society: Not yet (17) the world of the dead, not deemed fit for the world of the living, they are shunted (18) . We have learned how to increase their years, (19) we have not learned how to help them enjoy their days. Yet we continue to bravely and feverishly push back the frontiers (20) death.

7（）

A.obtained

B.afforded

C.desired

D.offered
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单项选择题

目前美国、俄国、欧盟、中国等世界四大卫星导航系统争夺导航服务业务。专家指出，中国北斗卫星导航系统工程建设迈出重要一步，2011年10月局部组网基本完成，2012年将覆盖亚太地区，届时投入商业运行，这表明（）

A.国际竞争的实质是以经济和科技实力为基础的综合国力的较量

B.发展高科技是解决发展问题的有效途径

C.当今世界出现多极化趋势

D.经济和科技实力的强弱是国家间分离聚合、亲疏冷热的决定性因素
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