如何理解“作用范围应在控制范围内”的模块划分原则？
说明下列句中黑体字的词性和意义。 吾长见笑于大方之家。
建设社会主义民主政治，最重要的是坚持和完善（）。 ["多党合作和政治协商制度","人民代表大会制度","民主集中制","集体领导制度"]
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"]
（）指有限的语言中隐含似乎无限的意味，表达上“小”中蓄大，力求暗示。电视是综合艺术之一，是以屏幕上的声音和（）为媒介，综合电影和戏剧的多种表现手段来塑造形象，以家庭为主要（）的艺术。
