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单项选择题
在220~500KV的超高压变电站应考虑使用以太网或Profibus网。( )
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单项选择题
下列指令能使累加器A高4位不变,低4位全置1的是( )。
A、ANL A,#0FH
B、ANL A,#0F0H
C、ORL A,#0FH
D、ORL A,#0F0H
单项选择题
The Economist publishes annually the "Big Mac Index" by which they compare the prices of the McDonald's Corporation's Big Mac hamburger around the world. The index estimates the exchange rates for currencies based on the assumption that the burgers in question are the same across the world and therefore, the price should be the same. If a Big Mac costs
0.0086/¥
B、124¥/
0.0081/¥
D、115.75¥/
判断题
护肤的第一步是保持面部的清洁。
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