搜题请搜索小程序“爱下问搜题”
问题 单项选择题

张明、李红两个人都于今年一月收到了美国某大学的录取通知书。张明三月初拿到了签证后就在一家航空公司的网站上订购了八月的赴美机票，李红七月中旬在同一家航空公司的网站上购买了八月赴美机票，价格比张明买的机票贵了大约1000元。这家航空公司的定价属于（）。

A.差别定价

B.渗透定价

C.撇脂定价

D.掠夺定价

答案

参考答案：A

解析：产品差别定价法：是指企业对同种同质的产品或服务以两种或两种以上的价格来销售，价格的不同并不是基于成本的不同，而是企业为满足不同消费层次的要求而构建的价格结构。这家航空公司的定价属于时间差别定价。

判断题

新管模进厂开封后，只需进行外观检查即可。
查看答案
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.

9（）

A.in

B.by

C.off

D.up
查看答案