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患者男性，57岁，主因“发作性心慌伴出汗29年，加量1个月”入院。过去史：无高血压、糖尿病、冠心病和甲亢病史。心慌发作前无明显诱因，突发突止，持续1分钟左右。近1个月上述症状出现较频繁，间隔时间逐渐缩短，症状持续时间延长，今日再次心慌，伴出汗，持续7-8小时未缓解，遂入院治疗。入院时体格检查除心率快外未见特殊异常。

患者拟行射频消融术，但在手术前一天晚上再次出现心慌，心电图示快速心律失常，下面哪几种终止方式较理想（）

A.静脉注射心律平

B.静脉注射西地兰

C.经食道电极超速抑制终止发作

D.静脉注射胺碘酮

E.Valsava动作

F.按摩颈静脉窦

答案

参考答案：C, E, F

单项选择题

托儿所、幼儿园的儿童用房，老年人活动场所和儿童游乐厅等其他儿童活动场所设置在其他民用建筑内时，采用耐火极限不低于（）的不燃烧体墙与其它场所或部位隔开。

A.1.50h

B.2.00h

C.2.50h

D.3.00h
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单项选择题

Visitors to this country are normally admitted for six months, but foreign students can usually stay for one year. They must (52) an educational institution, and they are required to study for a (53) of fifteen hours a week on a daytime course. Prospective students have to show that they can afford their studies, and that they have sufficient (54) resources to support themselves (55) in this country.

In order to work here the foreigner needs a work permit, (56) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (57) these permits, and there is little that can be done (58) it; it would be extremely unwise for a foreign visitor to work (59) a permit, since anyone doing so is liable to immediate deportation (驱逐出境). There are some people from the European countries, who are often given (60) residence permits of up to five years. Some other people, such as doctors, foreign journalists, authors and others can work without permits, and foreign students are normally allowed to (61) part-time jobs while they are studying here.

53().

A.natural 

B.financial 

C.human 

D.economical
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