领导行为四分图理论认为：低任务高关心人的领导风格能使员工获得工作满足感。
参考答案：错
—May I speak to Mary?
—Sorry, she isn't in. She _______ to Japan and will come back in two weeks. [ ]
A. has been
B. has gone
C. is going
电能表是测量 （填“电能”或“电功率”）的仪表；kW·h是 （填“电能”或“电功率”）的单位；
