问题 单项选择题 B1型题

上颌神经自圆孔出颅进入()

A.颞窝

B.颞下窝

C.翼腭窝

D.翼突窝

E.尖牙窝

答案

参考答案:C

解析:上颌骨前面,眶下孔下方骨面的窝称为尖牙窝,主要位于前磨牙根尖上方,故1题选E;颞肌起于颞窝内骨面和颞深筋膜的深面,止于喙突及下颌支前缘,故2题选A;翼内肌浅头起自腭骨锥突和上颌结节,深头起自翼外板的内面和腭骨锥突,故3题选D;上颌神经穿圆孔出颅进入翼腭窝上部,故4题选C;下颌神经经卵圆孔出颅进入颞下窝,故5题选B。

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.

16()

A.moreover

B.however

C.hence

D.thus

单项选择题