根据《建筑安装工程费用项目组成》（建标[2003]206号），下列建筑安装工程费用项目中，不属于直接工程费的是（）。 ["人工费","材料费","临时设施费","施工机械使用费"]
下列关于信用证与合同关系的表述正确的是（）。 ["信用证的开立以买卖合同为依据","信用证业务受买卖合同的约束","合同是审核信用证的依据","银行按信用证规定处理信用证业务"]
While trying to diagnose a routing problem in the network, you issue RIP debugging as displayed below: RtrA#debug ip rip Rip protocol debugging is on RtrA# 1d05h: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (172.16.1.1) 1d05h: RIP: build update entries 1d05h: network 10.0.0.0 metric 1 1d05h: network 192.168.1.0 metric 2 1d05h: RIP: sending v1 update to 255.255.255.255 via Serial0/0 (10.0.8.1) 1d05h: RIP: build update entries 1d05h: network 172.16.0.0 metric 1 RtrA# 1d05h: RIP: received v1 update from 10.0.15.2 on Serial0/0 1d05h: 192.168.1.0 in 1 hops 1d05h: 192.168.0 in 16 hops (inaccessible) Based on the output of the above exhibit, which two of the following statements are true?（） [" A ping to 10.0.15.2 will be successful."," RtrA has three interfaces that will take part in the RIP process."," There are at least two routers participating in the RIP process."," A ping to 192.168.168.2 will be successful."]
You have a portable computer that runs Windows 7. You configure the computer to enter sleep mode after10 minutes of inactivity. You do not use the computer for 15 minutes and discover that the computer has notentered sleep mode. You need to identify what is preventing the computer from entering sleep mode. What should you do?（） ["At a command prompt， run Powercfg energy.","At a command prompt， run Systeminfo \/s localhost.","From Performance Monitor， review the System Summary.","From Performance Information and Tools， review the detailed performance and system information."]
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党的各级领导干部必须（）。
