提供物业服务合同以外的服务，( )。
A．是物业管理企业的法定义务
B．不是物业管理企业的法定义务
C．是业主的法定义务
D．是业主额外的要求
参考答案：B
根据句意，填入适当的词完成句子
1. There are ____seasons in a year.
2. There are ________ days in a week.
3. There are ____months in a year.
4. There are ________ hours in a day.
5. There are ________ minutes in an hour.
6. There are________ or_______ days in February.
110（66）kV-220kV变压器出厂验收时，应测量每一绕组对地及其余绕组间（）绝缘电阻值，并记录测量温度。
A.15s
B.60s
C.5min
D.10min
