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问题 多项选择题

关于咬肌间隙感染，描述正确的是（）

A.位于咬肌与下颌支外侧骨壁之间

B.为临床不常见的颌面间隙感染

C.感染来源可来自下颌智牙冠周炎

D.临床特点为咬肌区肿胀、变硬、压痛伴明显的张口受限

E.若穿刺有脓液可及时切开引流

答案

参考答案：A, C, D, E

填空题

Today’s lecture is about the mass (1) of the world’s population. There are two major (2) why people are moving to cities. The first reason is (3) . People are moving to the cities because that’s where they can find (4) and earn money. The second reason for the move to cities has to do with (5) of life issues: comfort and (6) . Cities often offer better (7) . And then for many, city life is just more (8) . An interesting consequence of urbanization is that the average (9) of people in the countryside is increasing, while that of the cities is (10) .
Three key (11) can be identified in our cities. First of all, they’re getting bigger. Most cities are bigger now than ever before. Cities are also changing shape. They’re getting (12) , because land is getting more and more expensive. (13) have become a symbol of modern cities.
Cities are also changing shape in other ways. The (14) Model and the (15) Nuclei Model are probably more typical of the cities we know today. They show the urban (16) that’s occurring in contemporary cities.
The third change is that our cities are breaking up into (17) communities, often by (18) group or (19) level. This often means that people stay within their community and do not come into contact with others from different (20) .
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单项选择题

常用于急救的腧穴为（）。

A.涌泉

B.十宣

C.三阴交

D.水沟

E.曲池
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