描述实现主从表操作的步骤。
大运河开通后，“运漕商旅，往来不绝”。这说明它（）。 ①改善了南北交通 ②促进了经济联系 ③有利于南粮北运 ④耗费了巨大的人力、物力 ①。 ②④。 ①②③。 ①②③④。
Your company has offices in several countries. You must test and validate all operating system images before you deploy them. You create a Windows 7 Enterprise master image that has all language packs installed. You test and validate the master image. You are planning to create regional images based on the master image. Each regional image will contain only the language pack that is necessary for a specific geographic region. You have the following requirements： Remove the language packs that are unnecessary for each region. Minimize the necessary testing and validation. You need to create the regional images. What should you do？（） Service the master image online by using the Deployment Image Servicing and Management （DISM） tool.。 Service the master image offline by using the Deployment Image Servicing and Management （DISM） tool.。 Deploy the master image to a target computer. Remove the unnecessary language packs，and then capture each regional image.。 Run lpksetup.exe /u in unattended mode on the master image.。
如何加载一个XML文件到数据集中。
支气管哮喘伴有尿路梗阻的病人应禁用（） 阿托品。 东莨菪碱。 新斯的明。 后马托品。 山莨茗碱。
下列哪项不是抑郁病人自杀的征兆（）
