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病例：男，21岁，半小时前不慎自10m高处坠下，右胸部首先撞至砖堆上，即感气短，呼吸困难，外伤，无昏迷、头痛及呕吐，无腹痛及小便失禁。查体P110次／min，BP12．0／9．1kPa（90／68mmHg）。胸科专科见气管左移明显，右侧胸部饱满，肋间饱满增宽，未见局部软化浮动现象，右侧触觉语颤及呼吸动度消失，呼吸音消失，左胸未见明显异常。

本病例初步诊断为（）

A.闭合性气胸

B.开放性气胸

C.张力性气胸

D.少量血胸

E.多根多处肋骨骨折

答案

参考答案：C

单项选择题

发热的发病机制不包括

A．发热激活物的作用

B．EP的生成释放

C．体温调节中枢兴奋

D．体温调节中枢调定点上移

E．体温调节效应器反应
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单项选择题

There is virtually no limit to how one can serve community interests, from spending a few hours a week with some charitable organization to practically full-time work for a social agency. Just as there are opportunities for voluntary service (1) (VSO) for young people before they take up full-time employment, (2) there are opportunities for overseas service for (3) technicians in developing countries. Some people, (4) those who retire early, (5) their technical and business skills in countries (6) there is a special need.

So in considering voluntary or (7) community service, there are more opportunities than there (8) were when one first began work. Most voluntary organizations have only a small full-time

(9) and depend very much on volunteers and part-timers. This means that working relationships are different from those in commercial organizations, and values may be different. (10) some ways they may seem more casual and less efficient, but one should not (11) them by commercial criteria. The people who work with them do so for different reasons and with different (12) , both personal and (13) . One should not join them (14) to arm them with professional experience; they must be joined with commitment to the (15) , not business efficiency. Because salaries are (16) or non-existent many voluntary bodies offer modest expense. But many retired people take part in community service for (17) , simply because they enjoy the work.

Many community activities possible (18) retirement were also possible during one’s working life but they are to be undertaken (19) seriously for that. Retired people who are just looking for something different or unusual to do should not consider (20) community service.

4（）

A.partially

B.partly

C.particularly

D.passionately
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