单选题：Nurses often earn as much money as physicians do because the

题目内容：

Nurses often earn as much money as physicians do because they tend to work long days and at odd hours. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

A nurse is not qualified if she does not have patience and s

A nurse is not qualified if she does not have patience and show concern for her

分类：卫生类题型：单选题

实现市场效率的条件包括（　　）。A．市场效率实现的条件在于完全竞争市场 B．经济主体是完全理性的 C．市场上同种商品的每一个厂商生产的产品是有差异的 D．所有的

分类：卫生类题型：单选题

How old is the tusk? About years oldA．25 thousand B．28 thousand C．36 thousand D．

分类：卫生类题型：单选题

分类：卫生类题型：单选题

分类：卫生类题型：单选题