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问题 单项选择题

关于金属风管加固规定，下列描述错误的是（）

A.圆形风管（不包括螺旋风管）直径大于等于800mm，且其管段长度大于1250mm或总表面积大于4mz均应采取加固措施

B.矩形风管边长大于630mm、保温风管边长大于800mm，管段长度大于1250mm，应采取加固措施

C.非规则椭圆风管的加固，应参照圆形风管执行

D.矩形低压风管单边平面积大于1.2m2，中、高压风管大于1.0tn2，应采取加固措施

答案

参考答案：C

多项选择题

综合的临床诊断应包括()

A.病因诊断

B.病理解剖诊断

C.病理生理诊断

D.疾病的分型与分期

E.并发症及伴发疾病诊断
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单项选择题

Attempts to understand the relationship between social behavior and health have their origin in history. Dubos (1969) suggested that primitive humans were closer to the animals (1) they, too, relied’upon their instincts to stay healthy. Yet some primitive humans (2) a cause and effect relationship between doing certain things and alleviating (3) of a disease or (4) the condition of a wound. (5) there was so much that primitive humans did not (6) the functioning of the body, magic became an integral component ofthe beliefs about the causes and cures of heath (7) Therefore it is not (8) that early humans thought that illness was caused (9) evil spirit. Primitive medicines made from vegetables or animals were invariably used in combination with some form of ritual to (10) harmful spirit from a diseased body.

One of the. earliest (11) in the Western world to formulate principles of health care based upon rational thought and (12) of supernatural phenomena is found in the work of the Greek physician Hippocrates. The writing (13) to him has provided a number of principles underiying modern medical practice. One of his most famous (14) , the Hippocratic Oath, is the foundation of contemporary medical ethics.

Hippocrates also argued that medical knowledge should be derived from a (15) of the natural science and the logic of cause and effect relationships. In this (16) thesis, On Air, Water, and Places, Hippocrates pointed out that human well-being is (17) by the totality of environmental (18) : living habits or lifestyle, climate, geography of the land, and the quality of air, and food. (19) enough, concerns about our health and the quality of air, water, and places are (20) very much written in twentieth century.

14（）

A.attractions

B.subscriptions

C.contributions

D.functions
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