SET RELATION命令建立的是表之间的______。

小丽的爸爸前年存了年利率为2.25%的二年期定期储蓄，今年到期后，扣除利息的20%作为利息税，所得利息正好为小丽买了一只价值36元的计算器，问小丽爸爸前年存了多少元钱？  

混合节点

Mozart's birthplace and the house ________ he composed "The Magic Flute" are both museums now.[ ]

A. where  

B. when

C. there  

D. which

When I dropped in, Dr Smith _____, so we only had time for a few words. [ ]

A. just left

B. was just leaving

C. has just left

D. had just left

装机过程中变更光路资源，但系统中无法查实的，在（）记录光路相关信息（包括纤号、端子位），反馈给资源中心录入进行修改。