货币首先是商品,它与其他商品一样,是人类劳动的产物,是价值和( )的统一体。
A.价格
B.质量
C.劳务
D.使用价值
参考答案:D
The () contract is a contract between a party who agrees to accept the risk and a party seeking protection from the risk.
A. payment
B. production
C. shipment
D. insurance