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男性，5岁。跌倒时左手掌着地，查体：肘部向后突出并处于半屈状，肘部明显肿胀及压痛，肘后三角关系正常。

患儿左侧桡动脉搏动减弱，被动伸指时有剧烈疼痛。此时合理的治疗措施是（）

A.立即切开筋膜减压

B.尺骨鹰嘴牵引

C.再次手法复位，石膏托固定

D.立即切开复位，内固定

E.臂丛麻醉或应用血管扩张剂无效后，手术探查肱动脉，同时行骨折复位，内固定

答案

参考答案：E

解析：桡动脉搏动减弱，患者有屈肌牵拉痛，说明有筋膜间室综合征出现，需要立即进行血管探查，切开减压，骨折复位内固定。

判断题

聚氯乙烯宽幅卷材热风焊接法施工，卷材铺贴应垂直于屋脊方向，由上至下铺贴，要保证顺直、平整、没有皱折，搭接位置留量尺寸准确，并应使卷材下面的空气排出。
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单项选择题

It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases (51) the decisions we make, an d the roots of our habits and skills are to be (52) in our past experiences, which are brought into the present (53) memory.

Memory can be defined as the capacity to keep (54) available for later use. It includes not only "remembering" things like arithmetic or historical facts, but also any change in the way an animal typically behaves. Memory is (55) when a rat gives up eating grain because he has sniffed something suspicious in the grain pile. Memory is also involved when a six-year-old child learns to swing a baseball bat.

Memory (56) not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory-storage capacity of a computer (57) that of a human being. The instant-access memory of a large computer may hold up to 100000 "words" —ready for (58) use. An average American teenager probably recognizes the meanings of about 100000 words of English. However, this is but a fraction of the total (59) of information which the teenager has stored. Consider, for example, the number of facts and places that the teenager can recognize on sight. The use of words is the basis of the advanced problem-solving intelligence of human beings. A large part of a person’s memory is in terms of words and (60) of words.

59().

A. deal

B. number

C. mount

D. amount
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