【判断题】
AC+AP组网方式的优点包括：AP面板美观便捷，可实现无缝漫游，AP统一管理，组网成本较低。
A. 对
B. 错
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答案
B
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【判断题】
综合布线系统应采用建筑物共用接地的接地系统。当必须单独设置系统接地体时，其接地电阻不应大于10Ω。当布线系统的接地系统中存在两个不同的接地体时，其接地电位差不应大于1Vr．m．s。
A. 对
B. 错
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【单选题】
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20. The schoolboy ______ a blind man cross the street yesterday.
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21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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( ) 28. You can get your Mr. H for___________.
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( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________.
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( ) 32. According to the passage, which of the following may lead to inventions?
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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