减少内燃机机械损失的措施有（）。 ["适当降低点火提前角","提高发动机转速","降低发动机转速","提高润滑油黏度","降低润滑油粘度","降低发动机负荷"]
在Photoshop CS2中，要使选中的图层对齐，应使用菜单命令（）。
创造性思维
A new building has been added to the enterprise campus network， providing client access for desktop PCs， laptops， and IP phones for employees and guests. During verification， only a few laptops using wireless are reported to have problems， while other desktops， IP phones， and most other wireless laptops are fully operational. Additional information received about the problem indicates that， while the problematic wireless laptops cannot reach internal corporate websites， they can reach the Internet. Where should troubleshooting about this connectivity issue be focused？（） ["client network configuration","VLAN mapping","routing protocols","first-hop redundancy protocol"]
Hyper-V支持哪三种虚拟网络？这三种虚拟网络的特点是什么？
伏惟圣朝以孝治天下，风在故老，犹蒙矜育，况臣孤苦，特为尤甚。且臣少事伪朝，历职郎署，本图宦达，不矜名节。今臣亡国贱俘，至徽至陋，过蒙拔擢，宠命优渥，岂敢盘桓，有所希冀？但以刘日薄西山，气息奄奄，人命危浅，朝不虑夕。臣无祖母，无以至今日，祖母无臣，无以终馀年。母孙二人，更相为命，是以区区不能废远。臣密今年四十有四，祖母刘今年九十有六，是臣尽节于陛下之日长，报刘之日短也，乌鸟私情，愿乞终养。
作者采取什么办法来说服武帝？
