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问题 单项选择题

在Visual FoxPro某数据表中有一个数值型字段，要求有4位整数，2为小数，其值可能为负值，它的宽度应为

A．6

B．7

C．8

D．9

答案

参考答案：C

解析：【解析】本题中，数值型字段的整数位为4，小数位为2，再加上1个小数点位，占1个字节，和1个符号位，占1个字符，实际宽度应为8。

单项选择题

干热敷和湿热敷的主要区别是

A．放置部位不同

B．作用目的不同

C．干热敷可以引起烫伤

D．湿热敷比干热敷穿透力强

E．干热疗效好
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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.

4（）

A.arranging

B.adjusting

C.developing

D.improving
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