进入煤气泄漏危险区域的抢救人员必须根据现场情况正确佩戴（）防护面具。严禁用纱布口罩或其他不适合防止煤气中毒的器具。 ["空气呼吸器","湿毛巾","防尘口罩","纱布口罩"]
Your company has an Active Directory directory service domain. The domain functional level is Windows Server 2003. The company has a main office with two domain controllers （DCs）. Users log on to client computers by using user principal names （UPNs）. You plan to set up a new branch office with one domain controller. You need to ensure that when the branch office domain controllers connection to the main office is unavailable， users in the branch office can log on to the domain. What should you do？（） [" Add a new domain controller in the branch office."," Configure the branch office domain controller as a global catalog server."," Transfer the RID Master role to the branch office domain controller."," Transfer the Infrastructure Master role to the branch office domain controller."]
陆运险责任范围不包括（）。 ["自然灾害","崖崩或火灾","冷藏机器损坏是货物腐烂","运输工具遭受碰撞"]
Photoshop中双击图层调板中的背景层，并在弹出的对话框中输入图层名称，可把背景层转换为普通的图象图层。
钎剂
简述目标理论对组织管理的意义及局限？
