货币的支付手段职能是指货币用于支付
A.地租,租金
B.工资
C.债务
D.利息
参考答案:A
You were very impolite to him, for ______ you should make an apology to him, I think,
A.this
B.which
C.what
D.that
直流电动机的起动方法有()、()。