题目内容

在Windows中设置屏幕保护程序是在控制面版的____项目中进行。

A. 硬件和声音
B. 网络和Internet
C. 时钟、语言和区域
D. 外观和个性化

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在Windows中欲关闭应用程序,下列操作中,不正确的是____。

A. 使用文件菜单中的退出
B. 单击窗口的关闭按钮
C. 单击窗口的最小化按钮
D. 在窗口吕使Alt+F4键

In the sentence “As it turns out, despite a promising first few months of the experiment, what Miller discovered in the end was that the very technology he’d begun to criticize actually had very little, if anything, to do with his life’s problems.” (Para.3, L1-5), “what Miller discovered in the end was that…” serves as a subject in the main sentence (充当主句的主语), therefore, “what” was used to introduce a subject sentence here (what 引导一个主语从句).

A. 对
B. 错

推土机是一种()土方铲运机械。

A. 中距离
B. 长距离
C. 短距离
D. 中长距离

非全回转式单斗挖掘机车体最大水平旋转角度为()。

A. 150°
B. 170°
C. 250°
D. 270°

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