费用效益分析法的角度是从( )出发分析某一项目的经济净贡献的大小。
A.小区
B.功能区
C.全社会
D.厂商
参考答案:C
—I can’t get on with some of my classmates. They just leave me in the cold.
—______ But what’s the reason?
A.Sorry to hear that.
B.How about that?
C.Don’t mention it.
D.Never give up.
应该如何理解学习现象。