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【单选题】
以下关于操作系统中多任务处理技术的叙述中 ,错误的是( ).
A.
多任务处理技术将CPU时间划分成许多个小片,轮流为多个程序服务,这些小片称为时间片
B.
由于CPU是计算机系统中最宝贵的硬件资源,为了提高CPU的利用率,一般采用多任务处理技术
C.
正在CPU中运行的程序称为前台任务,处于等待状态的任务称为后台任务
D.
在单CPU环境下,多个程序在计算机中同时运行时,意味着它们宏观上同时运行,微观上由CPU轮流执行
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【单选题】对工件表面预处理一般不推荐采用喷丸处理是因为可能会( )
A.
把工件表面的缺陷开口封住
B.
把油污封在缺陷中
C.
使缺陷发生扩展
D.
使工件表面产生缺陷
【单选题】基本路径测试是属于
A.
黑盒测试方法且是动态测试
B.
白盒测试方法且是动态测试
C.
黑盒测试方法且是静态测试
D.
白盒测试方法且是静态测试
【单选题】基本路径测试是属于
A.
白盒测试方法且是动态测试
B.
黑盒测试方法且是动态测试
C.
白盒测试方法且是静态测试
D.
黑盒测试方法且是静态测试
【多选题】Question : Choose two sentences from below that can serve as the main idea of part five. [音频] Why changing online language doesn’t matter 18 Since society as a whole has about as much control over lan...
A.
Since society as a whole has about as much control over language as it does over earthquakes, this is a moot point at best.
B.
Culture has a way of evolving and that’s exactly what we’re experiencing with language .
C.
Education will need to change, too.
D.
‘Standard’ grammar is evolving, too, since digital shorthand and text-speak are now creeping into spoken language.
E.
It’s just that none of us know exactly what that will be yet.
【简答题】试述 Shepard 及其同事的心理旋转实验研究及其理论概括。
【单选题】Down ____ and hurt his leg.
A.
fell the boy
B.
fell he
C.
did the fall
D.
did the boy fell
【简答题】请根据任务点中状态灯的说明进行连线。
【判断题】绵山因晋国介子推携母隐居被焚于此而著称,寒食节也源于此。
A.
正确
B.
错误
【单选题】The students, who described details of their sick friends_______, we’re soon flooded with 2,000 emails replies from doctors in 18countries.
A.
puzzles
B.
symptoms
C.
index
D.
directions
【简答题】第三部分:阅读理解(共20小题;每小题2分,满分40分) 阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项。 A “Mr. has spent 67 years the world a better place. We’re asking you for 67 minutes”. Nelson turns 91 on the 18th ...
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