______：指固定充当一般等价物的特殊商品，体现着商品经济中人与人之间的社会关系。
参考答案：货币
A．(A) Someone from the housing office will fix the toilet.
B．(B) Peter will phone the housing office for you.
C．(C) You can fix the toilet in the bathroom by yourself.
D．(D) Peter will repair the toilet in the bathroom.
下列选项中，取值可为数值的字段类型是______。
A．备注 B．对象 C．货币 D．是/否
