统计量的引入是为了整理和汇总分散在各个样本中的信息。（ ）

Which one is wrong about the description of Longmenhao ...

单项选择题Which one is wrong about the description of Longmenhao Old Street?
A、 Longmenhao Old Street is the best-preserved historical and cultural block in Chongqing.
B、 The architectural style in Longmenhao Old Street is the authentic Eastern Sichuan style.
C、 Ciyun Temple and Mishi Street belong to Longmenhao Old Street.
D、 Some historical buildings in Longmenhao Old Street have been refurbished into the modern Chinese architectural style.

喷油器结构及电源电压不影响喷油量。 正确 ...

判断题 喷油器结构及电源电压不影响喷油量。
正确
错误

下列函数在点 处均不连续,其中点 是 的可去间断点的是().A． B． C． D．

单项选择题下列函数在点 处均不连续,其中点 是 的可去间断点的是( ).

A．
B．
C．
D．