答案：B

题目分析：考查冠词和介词，固定词组out of condition意思“身体不好”，fight for意思“争取”，fight against意思“反对”，fight with意思“与…争斗”，句子意思“许多工人身体不好，因此，联邦争取较好的工作条件”

点评：冠词是高考常考内容，做有关冠词的题型可以从两方面入手，一是习惯搭配，二是固定短语。对于固定短语平时应多读多记

即学即练：Of all ___ reasons for my decision to go abroad, my father’s advice was ___ very important one.

A. the; /              B. the; the        C./; the           D. the; a

选D