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【单选题】
以下关于GB9361—88中A、B类安全机房要求的描述中，错误的是（）A.
计算站专用可靠的供电线路
B.
计算站场地宜采用开放式蓄电池
C.
计算机系统的电源设备应提供稳定可靠的电源
D.
供电电源设备的容量应具有一定的余量
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【简答题】passage1
【简答题】Teachers and parents usually pay attention to the pictures when they read storybooks to preschool children. But a new study suggests that paying attention to the words and letters on the page may lead...
【单选题】passage1
A.
How to change the design of the kitchen
B.
How to improve the taste of foods.
C.
How to change and improve the way people do things in the kitchen.
D.
How to sense what is going on in the kitchen.
【简答题】Passage1 Read the choices. Listen to the passage and choose the best answer to each question you hear.
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