投资项目不确定性分析的基本方法包括（）。 ["盈亏平衡分析","敏感性分析","概率分析","比率分析"]
文学意境的理论早在刘勰的《文心雕龙》和（）的《诗品》中已初见端倪。
安全及文明施工措施费
The switched LAN is displayed below： In this network， STP has been implemented. Switch SW1 is the root switch for the default VLAN.To reduce the broadcast domain， the network administrator decides to split users on the networkinto VLAN 2 and VLAN 10. The administrator issues the command spanning-tree vlan 2 rootprimary on switch SW1. What will happen as a result of this change？（） ["Switch SW1 will change its spanning tree priority to become root for VLAN 2 only","All ports of the root switch SW1 will remain in forwarding mode throughout the reconvergenceof the spanning tree domain","No other switch in the network will be able to become root as long as switch SW1 is up andrunning","Switch SW1 will remain root for the default VLAN and will become root for VLAN 2","None of the other alternatives apply"]
第二届世界互联网大会在浙江乌镇举行，大会的主题是“互联互通、共享共治，共建网络空间命运共同体”。关于计算机和互联网的发展，下列说法不正确的是（）。 ["计算机网络大大缩小了全球空间距离","1946年，美国研制出第一台电子计算机","1990年中国第一条互联网专线正式开通","中国农村网民规模增速远远超过城镇"]
登临咏怀是宋代词人（）词作的重要题材，《永遇乐·京口北固亭怀古》、《水龙吟·过南剑双溪楼》即是这一类代表作。
