选举业主委员会或者更换业主委员会成员,应当经专有部分占建筑物总面积三分之二以上的业主且占总人数三分之二以上的业主同意。
A、正确
B、错误
参考答案:B
.________that we should look after the three dogs three times, my mother left home.
A.Mentioning
B.Having been mentioned
C.Having mentioned
D.Mentioned
测定汽油辛烷值有()和()两种。