正确答案: A

真理既具有绝对性，又具有相对性

题目：在真理观上坚持辩证法，就必须承认（ ）

解析：【考点点击】本题考查的知识点是真理的绝对性和相对性。

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学习资料的答案和解析：

[单选题]在经济全球化的背景下弘扬爱国主义精神，需要( )

提高民族自尊心和自信心

[多选题]男女双方的恋爱行为，客观上是对社会负有相应道德责任的行为。下列选项中，属于恋爱中男女应遵循的基本道德要求的有（ ）

恋爱应以寻找爱情、培养爱情为目的

恋爱过程中要有高尚的情趣和健康的交往方式

恋爱应尊重对方情感和人格，平等履行道德义务

解析：【考点点击】本题考查的知识点是恋爱的基本道德要求。

[单选题]我国在对外开放中利用国际分工的主要作用是（ ）

节约社会劳动，提高经济效益

解析：【考点点击】本题主要考查的知识点是国际分工的作用。

[单选题]纳税人欠缴税款，同时又被行政机关决定处以罚款、没收违法所得的（ ）

税收优先于罚款、没收违法所得

解析：【考点点击】本题考查的知识点是税收优先权制度。

[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。