现代管理会计的主体是()
A.决策与计划会计、执行会计
B.成本计算、决策与计划会计
C.全面预算、成本计算
D.全面预算、执行会计
参考答案:A
下列反应中属于氧化还原反应,但水既不作氧化剂又不作还原剂的是( )
A.H2O+CaO=Ca(OH)2
B.2H2O+2F2=4HF+O2
C.2H2O 电解 . O2↑+2H2↑
D.3NO2+H2O=2HNO3+NO
- In our school library, there____ a number of books on science and the number of them ______ growing larger and larger.
A.is, are
B.has, are
C.have, is
D.are, is