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男，77岁，8年来心悸、气短，活动时胸痛、头晕，2天来咽痛、低热。查体血压170/60mmHg，心界向左下扩大，主动脉瓣区闻及双期杂音，心尖部闻及舒张期隆隆样杂音，双肺底闻及少许湿啰音。

鉴别瓣膜病变原因应作（）

A.胸片

B.心电图

C.血培养

D.心导管检查

E.特异性梅毒血清试验

答案

参考答案：E

单项选择题

Anthropology is the study of human beings as creatures of society. It (1) its attention upon those. physical characteristics and industrial techniques, those conventions and values, which (2) one community from all others that belong to a different tradition.

The distinguishing mark of anthropology among the social sciences is that it includes for serious study other societies (3) our own. For its purposes any social (4) of mating and reproduction is as significant as our own. To the anthropologist our customs and those of a New Guinea tribe are two possible social schemes for (5) a common problem, and in so far as he remains an anthropologist he is (6) to avoid any weighting of one (7) the other. He is interested in human behavior, not as it is shaped by one tradition, our own, but as it has been shaped by any tradition (8) He is interested in a wide (9) of custom that is found in various cultures, and his object is to understand the way in which these cultures change and (10) , the different forms through which they express themselves and the (11) in which the customs of any peoples function in the lives of the (12) .

Now custom has not been commonly regarded as a (13) of any great moment. The inner workings of our own brains we feel to be uniquely (14) of investigation, but custom, we have a way of thinking, is behavior at its most commonplace. (15) , it is the other way round. Traditional custom is a mass of detailed behavior more astonishing than (16) any one person can ever evolve in individual actions. Yet that is a rather (17) aspect of the matter. The fact (18) first rate importance is the predominant role that custom (19) in experience and belief, and the very great varieties it may (20)

1（）

A.pays

B.revolves

C.fastens

D.draws
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单项选择题

VO2max是指（）

A.氧吸收率

B.每分通气量

C.最大吸氧量

D.二氧化碳排出率

E.峰值吸氧量
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