正确答案: A

单方法律行为

题目：根据《合同法》规定：当事人主张抵销的，应当通知对方。这表明抵销是( )

解析：A

查看原题

举一反三的答案和解析：

[单选题]孟德斯鸠认为，为了确保政治自由，必须实行( )

三权分立制度

[单选题]垄断资本家有时会人为地阻碍新技术设备的使用，其主要原因在于新技术设备的( )

使用会导致原有固定资本的迅速贬值

[单选题]It is often said that politeness costs nothing. In fact，it seems that a little more politeness could save businesses ￡5 billion every year. Frequently hearing the phrase“thank you”or“well done”means the same to staff as a modest pay rise.Praise and encouragement also makes employees more likely to work hard and stay in their jobs. In this way the business companies can save the cost of finding new employees. A third of 1,000 workers surveyed by a consulting firm said they did not get thanked at all when they did well-and a further third said they were not thanked enough. In both cases. staff said they felt undervalued，meaning they were less likely to exert themselves and were more likely to look for employment elsewhere.

politeness helps employers reduce the cost of staff employment

解析：解析：推理判断题。由第二段第一、二句可知：赞美和鼓励能使员工更努力地工作并且坚持原有的岗位，这样，公司就可以省下雇请新员工的钱。因此，礼貌可以帮助雇主节省雇请新员工的钱。因此，D项符合题意。

[单选题]一般说来，金融工具的流动性与偿还期( )

成反比关系

[单选题]下列不属于企业内部行为约束的是（ ）

合同约束