下列各项中,属于财务计划现金流量表中经营活动的现金流量的是( )。
A.建设投资
B.补贴收入
C.维持运营投资
D.各种利息支出
E.经营成本
参考答案:B,E
A.F1<F2
B.F1=F2
C.t1>t2
D.t1<t2
If you don't want to fall behind others, you must _____ current events. [ ]
A. keep track of
B. keep track
C. keep touch with
D. keep in touch