旅游合同的变更就是对合同内容的全部改变。
下列哪些属于日本式对外直接投资（）。 非贸易导向。 贸易导向。 资源开支比较大。 主要投资制造业。
说明宾馆服务的语言技巧。
下列会计凭证中，属于自制原始凭证的有（）。 材料领料单。 实存账存对比表。 购货发票。 印花税票。
A customer has 4 POWER6 servers managed by a Hardware Management Console （HMC）. They plan to install a second HMC for redundancy. Which of the following statements correctlydescribes the dual HMC environment？ （） To provide the Service Agent function， both HMCs must have Service Agent enabled and a dedicated modem and phone line.。 Authorized users must have the same username and password on both HMCs， so that every user of one HMC is automatically authorized on the other.。 Both HMCs are automatically notified of any changes that occur in the managed systems， so results of changes made to the managed system by one HMC are visible on the。 Both HMCs must be running the same software revision. Software maintenance must be performed on both HMCs at the same time， but one HMC should be disconnected from。
当记录中出现错误时正确的处理（）
