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问题 多项选择题

防灭火隐患的安全检查有（）。。

A.未建立健全矿井消防系统；井上、下未建立消防库，或库内消防器材不齐全，不定期检查、更换。

B.在有自然发火危险的煤层，不执行防火措施。

C.井下电焊、气焊、拍摄、录像时，无安全措施或不按措施执行；无通防、安监人员在场检查和监督。

D.采空区密闭、采区回风巷、巷道高顶高冒处及其他无人工作和一般人员不行走的巷道，不按规定检查有害气体

答案

参考答案：A, B, C, D

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.

1（）

A.Indeed

B.Likewise

C.Therefore

D.Furthermore
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判断题

电动机的最大转矩与额定转矩之比叫过载能力。
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