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题目详情

单选题 ( ) refers to the year-to-year fluctuations in unemployment around its natural rate, and it is closely associated with the sort-run ups and downs of economic activity

A. Cyclical unemployment

B. Frictional unemployment

C. Sectoral shift

D. GDP

大学英语综合课程课程封面

学科:大学英语综合课程

时间:2025-09-23 04:16:25

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