应急照明
参考答案：
因正常照明的电源失效而启用的照明。应急照明包括疏散照明、安全照明、备用照明。
下列选项中属于企业文化功能的是( )。
A．整合功能
B．技术培训功能
C．科学研究功能
D．社交功能
Which of the following statements is most accurate An intangible asset with a finite useful life is:（）
A. amortized.
B. tested for impairment at least annually.
C. amortized and tested for impairment at least annually.
