根据计算机联网的方式，可以将计算机网络分为局域网、都市网、广域网和互联网。
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商品性会计核算软件程序具有维护业务量小。软件开发水平高、专业性强、开发者决定系统的扩充与修改等特点。
A. 正确
B. 错误
通过拖动窗口的标题栏,可以改变该窗口在屏幕上的位置。
A. 正确
B. 错误
A．Animal.B．Rollers.C．Wheel.D．Load.
Animal.
B. Rollers.
C. Wheel.
D. Load.
A．They are not very interested in jobs.B．They don't want to work but to learn.C．They a
A. They are not very interested in jobs.
B. They don't want to work but to learn.
C. They are too young to get jobs.
D. Their parents won't let them do so.
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