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问题
问答题 简答题
除了CUP之外，计算机中最能影响办公应用性能的硬件设备是？
答案
参考答案：
内存。
补全对话，情景问答
给下列的问句选择合适的答语。
( ) 1. Where are the keys?
( ) 2. Is your cat on the table?
( ) 3. Where is my eraser?
( ) 4. Is this your living room?
( ) 5. This is my study.
A. It's very nice.
B. No, it isn't. It's under the table.
C. Yes, it is. The living room is big.
D. They are in the door.
E. It's in your pencil-case.
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多项选择题
客户交易概览的允许单据包括（）。
A.销售订单
B.采购订单
C.外销订单
D.进口单证
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