通常在一定时问内,在商品价格水平不变的情况下,人民币的发行量[ ]
A、与待销售的商品量成反比
B、与货币流通次数成反比
C、与商品价格总额成反比
D、与人民币自身价值成反比
答案:B
The careless driver is ________ for the traffic accident that _____ yesterday.[ ]
A. to blame; happened
B. to blame; was happened
C. to be blamed; was happened
D. to be blamed; happened
流互感器二次绕组接入时,极性正、反错误会造成什么现象?