输送天然气的管道一般采用（） ["钢制填料式补偿器","Ⅱ型补偿器","波纹补偿器","Ω型补偿器"]
按照历史学家安古斯•麦迪森测算，在1700～1820年间，中国的GDP（国内生产总值）在世界GDP中所占的比重从23.1%提高到32.4%，而同期整个欧洲的GDP在世界GDP中所占比重仅从23.301提高到26.6%，令人疑惑的是中国却没有实现工业化。导致当时这种结果的原因是①中国落后的小农意识非常浓厚②自然经济占主导地位③西方列强入侵阻碍中国工业化发展④腐朽落后的封建专制制度阻碍经济发展（）。 ["①②③④","②③④","①②④","①②③"]
A customer has one IBM System Storage DS8300 in their main data center with one IBM DS6800 at their Disaster Recovery （DR） site. They are using the Remote Mirror and Copy （RMC） feature between the sites. They utilize Tivoli Storage Manager for backups. They would like to replace a Microsoft Windows server at the main site with a server at the DR site with a minimal amount of downtime. Which method will achieve their goals（） ["locate the Tivoli Storage Manager data set for the server at the DR site， do a full backup， recover the data to the DS6800， and make the data availableto the server","create RMC relationships for all of the data on the server to the DS6800， shut down the server， and make the data available to the new server","shut down the server，create RMC relationships for all of the data on the server to the DS6800， and make the data available to the new server","recover the TSM backups to the DS6800 at the remote site， and make the data available to the new server"]
如果你是一位称职的酒店验收人员，你认为应该怎样做好食品原料的验收工作？
其他很多厂商的重复数据删除虚拟磁带库采用后期处理方式，其缺陷是（） ["许多竞争友商依靠后处理，因为他们的重复数据删除速率无法做到在线","后处理需要用户额外的支出，以提供第二个窗口来进行重复数据删除","后处理重复数据删除会影响到其它的操作，例如克隆到磁带和复制","以上皆有"]
种子
