试题与答案

护坦

题型:名词解释

题目:

护坦

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析: CRT即阴极射线管显示器,每行显示80个字符,每屏25行。

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根据句意、汉语意思及首字母提示,完成句子,每空一词(5分)

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