供电所的经济活动分析是以电力市场的营销为主要内容的（）和（）的分析工作。
A.综合性评价
B.经济效益
C.经营管理
D.需求侧管理
参考答案：A, D
It is generally believed that teaching is _____ it is a science.[ ]
A. an art much as
B. much an art as
C. as an art much as
D. as much an art as
失业职工失业前在企业连续工作5年及5年以上的，发放失业救济金的期限最多为______。
A．12个月B．24个月C．18个月D．15个月
