41以内2的倍数有[ ] A．10个 B．20个 C．30个 D．40个

用分数表示13÷27=______．

Few people know the fact ______ was not until 1936 that basketball became a regular part of the Olympic Games.

A．it that

B．that it

C．that

D．it

生产运营系统的维护和改进不包括( )。

A．设施的维修与可靠性管理

B．员工工作理念的提升

C．整个生产系统的不断改进

D．先进的管理模式

“All ______ present, and all ______ going on smoothly.” Said the secretary.

A．are; is

B．are; are

C．is; is

D．is; are

通常门店在半径为( )内的核心区域，获取本门店客户总数的55～70%。

A．100m
B．200m
C．300m D．500m