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  3. A certain amount of unemployment lubricates labor markets, maintaining a ready s

A certain amount of unemployment lubricates labor markets, maintaining a ready s

游客2023-12-26  41
问题 A certain amount of unemployment lubricates labor markets, maintaining a ready supply of workers for expanding businesses.
选项 A、obscures
B、benefits
C、hinders
D、modifies
答案 B
解析 本题考查词义辨析。A选项意为“使费解；掩盖”，B选项意为“对某人有用；得益于”， C选项意为“妨碍”，D选项意为“修改；减轻，减缓”。题干替换词意为“润滑，促进”。本题的思路在maintaining一词上，分词短语和替换动词均为unemployment能做到的事或造成的后果。…supply of workers for…很显然是正面积极的事情，故答案为最接近的B。
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