关于物业价格的特征,下列说法正确的是()。
A.物业价格受区位的影响不大
B.物业价格实质上是物业经营的价格
C.物业价格只有交换代价的价格
D.物业价格形成的时间较长
参考答案:D
--- I’ll come to see your performance at 9:00 tomorrow evening.
-- I’m sorry, but by then my performance ____ and I ____ reporters in the meeting room.
A.will have ended; will be meeting
B.will end; will meet
C.will be ended; am going to meet
D.is to end; will meet
方差的平方根即为()。
A.全距
B.标准差
C.总体方差
D.四分位数间距