【单选题】【消耗次数：1】
磁盘清理程序帮助（）磁盘驱动器空间。
①
清理
②
缓存
③
释放
④
以上都不是
参考答案：
复制
纠错
相关题目
【多选题】
在硬盘优化工具中，不是磁盘清理程序的功能是_____。
①
移动文件数据，使文件连续存放
②
释放无用文件占用的磁盘空间
③
扫描硬盘以检查文件存储错误
④
扫描是否存在文件碎片
【单选题】
Windows提供了各种磁盘管理工具来帮助用户管理磁盘，其中____可以修复文件系统错误和恢复坏扇区。
①
磁盘碎片整理程序
②
磁盘空间管理
③
磁盘查错
④
备份程序
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Anewtechnique______,theyieldsasawholeincreasedby20percent.
①
working out
②
having worked out
③
having been worked out
④
to have been worked out
【单选题】
The manager promised to keep me _____ of how our business was going on.
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to be informed
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on informing
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informed
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informing
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The match was canceled because most of the members______a match without a standard court.
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objected to having
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were objected to have
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objected to have
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were objected to having
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In Australia，_____ the Asians make their influence in businesses large and small.
①
feeling
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feel
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felt
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to be felt
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The teacher doesnt permit______in class.
①
smoke
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to smoke
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smoking
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to have a smoke
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Thechildrenwenttheretowatchtheirontower________.
①
to erect
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erecting
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be erected
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being erected
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Mr. Johnson preferred_______ heavier work to do.
①
to be given
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to be giving
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to have given
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The speaker, _______ for her splendid speeches, was warmly received by the audience.
①
having known
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being known
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knowing
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①
once offering
②
him once offering
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him to offer
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