下列素养不属于物业管理从业人员应具备的是( )。
A．文明礼貌B．着装随意C．诚恳待人、服务热情D．奋发努力、坚韧不拔
参考答案：B
It was the hurricane ______ was called Katrina ______ destroyed the city of New Orleans.
A．which; that
B．what; which
C．which; who
D．that; which
如下图所示，其中能量转化形式相同的是
A．甲和乙
B．乙和丙
C．甲和丙
D．乙和丁
