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问题 单项选择题

某24层高层住宅楼，首层层高3.25m，结构总高度66.80m，采用钢筋混凝土全现浇剪力墙结构。底层某矩形剪力墙混凝土强度等级为C35，墙体端部约束边缘构件纵向受力钢筋用HRB400级，墙体分布钢筋和端部约束边缘构件箍筋用HRB335级。

题（2）中，若静载下此墙肢轴压力Nd=2401.0kN，活载作用下此墙肢轴压力Nl= 379.5kN，则此墙肢的轴压比为（）。

A．0.222

B．0.238

C．0.269

D．0.292

答案

参考答案：C

解析：

单项选择题 共用题干题

患者，男性，70岁，两侧口角反复出现浅表皲裂。

该患者作过胃次全切除术，则推测患者极可能有（）。

A.糖尿病

B.贫血

C.高血压

D.心脏病

E.以上都不是
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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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