Which of the following is not typical wholesaling function?
A. Providing market information to a producer
B. Granting credit to customers
C. Supplying capital to pay the cost of carrying inventory
D. None of the above is a typical wholesaling function
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A channel of distribution is any series of firms or individuals who participate in the flow of goods and services from producer to final user or consumer.
A. 对
B. 错
在不同采样点同时采集的各个瞬时水样混合后所得到的样品称为( )
A. 瞬时水样
B. 混合水样
C. 综合水样
D. 平均水样
在对水样预处理时,其中不属于富集或分离方法的是( )
A. 蒸馏法
B. 萃取法
C. 硝酸消解法
D. 离子交换法
纳污河流水中污染物经稀释扩散、自净作用后,在其浓度显著下降处布设的监测断面是( )
A. 削减断面
B. 控制断面
C. 背景断面
D. 对照断面