皮皮学，免费搜题
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【单选题】
计算机主机硬件结构主要包括三个组成部分,它们分别是( )A.
CPU、存储器、I/O设备
B.
CPU、运算器、控制器
C.
存储器、I/O设备、系统总线
D.
CPU、控制器、I/O设备
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】根据图片及句意写出正确的单词。 1. — Look at my new _____________. — Oh, how nice! 2. — What's this? — It's a _____________. It's cold inside. 3. — Where is your mother, Li Lei? — She's lunch in the __________...
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