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以下关于Windows中的“任务”的说法，不正确的是（）

A、同一个时刻只能有一个前台任务

B、同一个时刻可以有多个后台任务

C、前台任务和后台任务之间可以切换

D、后台任务必须切换为前台任务才能完成

时间：2021-09-06 21:31 关键词：石家庄职业技术学院会计学计算机应用基础_1

答案解析

D

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