铸币

-- _________ you called yesterday?

-- Tom．Why?

A．Who it is that

B．Who is it that

C．Who was it that

D．Who it was that

等速抗阻训练优点

合同当事人约定了定金3万元，违约金4万元，收受定金的一方违约应返还给付定金一方( )。

A．3万元

B．6万元

C．7万元

D．10万元

比较行政管理性支出和其他购买性支出的区别。