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问题 单项选择题

下列哪项不是设计地下水位标高的确定因索（）.

A.最高地下水位 

B.地表水、上层滞水和毛细管水的作用 

C.建成后局部改变地形地貌可能引起的水文地质变化 

D.施工和投入使用带来的影响

答案

参考答案：D

解析：

根据《地下工程防水技术规范》(GBJ 108—1987)规定：第2.1.3条地下工程的防水设计，应考虑地表水、潜水、上层滞水、毛细管水等的作用，以及由于人为因素引起的附近水文地质改变的影响，合理确定工程防水标高。

选择题

体育竞技中服用兴奋剂既有失公平，也败坏了体育道德。某种兴奋剂的结构简式如图所示。有关该物质的说法中正确的是 （    ）

A．该物质的分子式为C16H15O3

B．该物质与苯酚属于同系物，遇FeCl3溶液呈紫色

C．该分子中的所有碳原子不可能共平面

D．1mol此物质分别与浓溴水和H2反应时最多消耗Br2和H2为4mol 和7mol
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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.

18（）

A.elements

B.factors

C.components

D.deposits
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