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3. For long-time efficiency and happiness it is best to observe the ___ of health and sound working conditions.A. principlesB. ideasC. elementsD. factors

3. For long-time efficiency and happiness it is best to observe the ___ of health and sound working conditions.

A. principles

B. ideas

C. elements

D. factors

题目解答

答案

A. principles

解析

本题考查名词辨析，核心在于理解各选项词义及固定搭配。关键点在于：

"observe"后常接表示规范、原则类的名词；
"principles"指系统性的指导原则，与"health and sound working conditions"搭配最贴切；
其他选项如"ideas"（抽象观念）、"elements"（组成部分）、"factors"（影响因素）均不符合语境。

选项分析

A. principles：指被广泛认可的指导原则（如健康原则、工作规范），符合"遵守..."的语境。
B. ideas：表示抽象的"想法"，无法与"observe"搭配表达"遵守"。
C. elements：指构成部分，但"observe elements"无固定用法。
D. factors：表示影响结果的因素，"observe factors"更偏向"观察因素"而非"遵守"。

关键结论

"principles"是固定搭配且符合语境，强调遵守既定规范。

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