【多选题】
智能家居设备的常见网络接入方式主要包含哪些（ ）。___
A. Wi-Fi
B. Zigbee
C. 蓝牙
D. CDMA
E.
F.
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答案
ABC
解析
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客户端终端设备安装应符合下列要求（）___
A. 设备安装位置一般由客户指定
B. 终端设备安装位置需通风、防晒、防潮、远离其他热源
C. 安装位置不宜距离线路接口和市电电源接口过远
D. 避免与空调等大功率设备共用同一电源插座
E. 避免在铜线上并接太多固定电话
F.
【多选题】
设备安装下列说法正确的是___
A. 尽量用FTTH接入终端设备的多端口满足家庭网络的业务需求
B. 如需端口扩展，应优先采用多端口千兆交换机，也可利用多端口AP的交换功能
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E.
F.
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多媒体通信箱是光纤到户(FTTH)在用户方的一个多功能集成终端箱体。主要用于通信设备安装、蝶形引入光缆端接、用户终端五类线、市电、有线电视等接入。能实现（ ）的分配及家庭安防等功能。___
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F.
【多选题】
在安装智能家居产品时，下列哪些做法是正确的（ ）。___
A. 安装时，对于不熟悉的各类线缆，都可按网络线处理
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F.
【多选题】
下列关于智能音箱的安装，说法正确的是( )。___
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F.
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生产单位在施工及维护工作中必须正确处理好进度与安全、效益与安全的关系，实行（ ）。___
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C. 安全优先的原则
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【多选题】
下列说法正确的是（）。___
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B. 从业人员发现直接危及人身安全的紧急情况时,无权停止作业。
C. 从业人员可以了解工作场所产生或者可能产生的职业病危害因素。
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F.
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对待安全问题，职工有什么权利（ ）。___
A. 对违章指挥有权拒绝操作
B. 险情严重时，有权停止作业
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【多选题】
员工在施工及维护作业时必须穿戴和使用劳动防护用品，应做到三会，三会是指（ ）。___
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【多选题】
下列说法正确的是（）。___
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B. 在施工现场燃煤茶炉处进行施工作业属三级动火区域。
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F.
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下面几点有关施工安全的说法正确的是（ ）。___
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( ) 26. Where does the writer of "The little Prince" come from?
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【单选题】
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( ) 30. Why did the father not ask his son not to do this and do that？
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【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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A. A
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【单选题】
( ) 37.The greatest river for navigation is ___________.
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【单选题】
( ) 38. From a dam, people can use the water for ___________.
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【单选题】
( ) 39. The water in the river is polluted because of _____________.
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B. B
C. C
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【单选题】
( ) 40. The best title of the passage is ___________.
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A. A
B. B
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