Refer to the exhibit. A Cisco Aironet Wireless LAN Client Adapter has been installed and configured through the ADU on the PC. The Aironet System Tray Utility （ASTU） has been enabled during the installation and the icon appears in the system tray area in the lower right of the desktop. What is thesignificance of the icon？（） ["It indicates that the radio of the client adapter is disabled","It indicates that the client adapter is not associated to an access point or another client","It indicates that the client adapter is associated to an access point or another client， but the user is not EAP authenticated","It indicates that the client adapter is associated to an access point or another client， that the user is authenticated if the client adapter is configured for EAP authentication， and that the signal strength is excellent or good","It indicates that the client adapter is associated to an access point or another client， that the user is authenticated if the client adapter is configured for EAP authentication， and that the signal strength is fair","It indicates that the client adapter is associated to an access point or another client， that the user is authenticated if the client adapter is configured for EAP authentication， and that the signal strength is poor"]
下列有关部件的安装要求正确的是（）。 ["排烟口距可燃物或可燃构件的距离不应小于1.5m","常闭送风口、排烟阀（口）的手动驱动装置应固定安装在明显可见、距楼地面1.3～1.5m之间便于操作的位置","活动挡烟垂壁与建筑结构（柱或墙）面的缝隙不应大于60mm","由两块或两块以上的挡烟垂帘组成的连续性挡烟垂壁，各块之间不应有缝隙，搭接宽度不应小于150mm","活动挡烟垂壁的手动操作按钮应固定安装在便于操作、明显可见处距楼地面1.0～1.5m之间"]
非参与性观察
泛审美是纯审美在人类生活的各个领域发生播散或交融的状况。趋于生活化、（）、通俗化和（）。
冰水沉积作用？冰水堆积地貌类型？
说明下列句中黑体字的词性和意义。
寡人不祥，被于宗庙之崇。
