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【单选题】
一个完整的计算机系统是由组成（）A.
主机箱，键盘，显示器，打印机
B.
主机与外部设备
C.
存储器，运算器，控制器
D.
硬件系统与软件系统
E.
主机箱显示器
手机使用
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【简答题】根据文章内容判断正(T)误(F)。 Modern technology helps us do many things we want to do. But technology can also cause problems. Take television for example. It serves as a window to the outside world. We can learn...
【简答题】Baths have long been considered of medical importance to man. In Greece there are the ruins of a water system for baths built over 3,000 years ago. The Romans had warm public baths. In some baths, as ...
【简答题】阅读理解 Baths and bathing have long been considered of medical importance to man. In Greece there are the ruins(废墟) of a water system(系统) for baths built over 3,000 years ago. The Romans had warm public ...
【简答题】Baths and bathing have long been considered of medical importance to man. In Greece there are the ruins of a water system for baths built over 3,000 years ago. The Romans had warm public baths. In som...
【简答题】Many modern persons find it very difficult to credit the fact that men can ever have supposed otherwise. Yet—they did. ( Para.10) Many modern people are hard to ________ for some time men had ever ___...
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