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病历摘要：患者术前血压170／100mmHg，心率84次／min，在异氟烷吸入麻醉下胃癌根治术。诱导后当异氟烷浓度达1．6MAC时，血压降至95／50mmHg，心率为118次／min，EKG出现多个室性早搏。

如病人经减浅麻醉、少量扩容及升压处理后，低血压持续半小时仍难矫正，仍有频发早搏，此时应考虑（）

A.血管反应性差，继续观察

B.出现心衰，立即给强心药处理

C.脑血管破裂，血管运动中枢麻痹

D.围术期输液过少；应加速输液

E.可能出现心肌严重缺血，立即行紧急处理

答案

参考答案：E

单项选择题

李某退休后于2005年1月起承包一家餐厅，承包期1年，2005年共取得承包收入30000元，另每月领取退休工资900元，则李某2005年应纳个人所得税为( )元。

A．2830

B．2890

C．4750

D．4810
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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.

18（）

A.before

B.on

C.in

D.at
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