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Practice 4 Bluetooth is the newest kid on the technology block, and it holds a lot of promise for the assistive technology industry. Named for a 10th Century King of Denmark who unified the kingdoms of Denmark and Norway, Bluetooth is a shot-range wireless communication specification that promises to improve and increase electronic access to a number of environments by overcoming some of the obstacles typical of current technology. Bluetooth technology will enable devices to communicate and transfer data wirelessly and without the line-of-site issues of infra red technology. So how does it work? Bluetooth devices search each other out within their given operational range. Unlike devices that are wired together, Bluetooth devices do not have to be aware of the capabilities or properties of the devices to which they will connect beforehand. Bluetooth devices have a built-in mechanism that lets each device identify itself as well as its capabilities as it connects into this new Bluetooth network. This dynamic network does have a controlling device that designates itself as the master for the connection. Its programming and the capabilities necessary for the given task determine whether or not a device can be a master. For example, a cell phone may act as a master device when connecting to a headset, an ATM, or an information kiosk. However, the same cell phone or headset may act as a slave device to the information kiosk, now acting as the master device, broadcasting emergency evacuation information. The cell phone and kiosk can function in either capacity depending on the required function and their programming.
古人把“君”解释为（）
星天牛幼虫在柑橘上主要危害成年树的（）和（）
大卫·李嘉图出生于（）
在静态LACP模式下，要求两端设备所选择的活动接口必须一致，否则链路聚合组就无法建立。但是可以通过指定真中一端为为主动端，另一端则只需根据高优先级的一端来选择相应的活动接口。那么在静态LACP模式下如何选择主动端（）
LDP会话用于LSR之间交换标签映射、释放等消息。关于LDP会话建立过程的描述，正确的是：（）
关于羊水生化及免疫学检查的结果，下列哪项不正确（）
2013年5月5日，甲拒绝向乙支付到期租金，乙忙于事务一直未向甲主张权利。2013年8月1日，乙因出差遇险无法行使请求权的时间为1个月。根据《民法通则》的规定，乙应最晚于（）请求人民法院保护其权利。
下列哪种疾病被公认为是结肠癌的癌前期病变（）。
肝昏迷（）
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