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【单选题】
在ZigBee网络中,路由器主要有3个功能: 1允许节点加入网络; 2进行数据的( ); 3辅助子节点通信。A.
存储
B.
删除
C.
D.
激活
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反馈参考答案：
举一反三
【简答题】Li Denghai, with his muddy boots and tanned(晒黑的) face, may not look like he is one of China’s famous agricultural pioneers. But the 61-year-old man from Shandong Province has made scientific breakthro...
【单选题】Do you know _____? [ ]
A.
when the train leaves the station
B.
when does the train leave the station
C.
when will the train leave the station
【单选题】Now Martin is at Shanghai Excavation Machinery. Is this Martin's first face-to- face meeting with Li Ming?
A.
Yes, it is.
B.
No, it isn't.
【简答题】NGN的中文全称是( ),英文全称是( )(首字母大写)。
【简答题】阅读理解。 A train stopped at a small station. A man looked out of the window and saw a woman. She was selling cakes. People from the train were buying them. The man wanted to buy a cake, but the woman was...
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