在企业发生的下列经济业务中,影响现金流量的有( )。
A.现金存入银行
B.用固定资产偿还债务
C.用原材料对外投资
D.用银行存款购买材料
参考答案:D
My family plans to move into the building that is over there now.
A.being built
B.building
C.to be built
D.been built
简述消化池的构造及其功能。