销售渠道长度是指产品从生产领域流转到消费领域过程中所经过的( )的数量。
A．渠道类型
B．中间商类型
C．中间商
D．渠道层次
参考答案：D
In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
To a router, a flow is a (1) of packets that share the same characterstics, such as traveling the same (2) , using the same (3) , having the same kind of security, and so on. A router that supports the handling of flow labels has a (4) table. The table has an entry for each Active flow label; each entry defines the (5) required by the corresponding flow label.
1（）
A．sequence
B．stream
C．Queues
D．flow
任何两个数的积都比它们的商大．______．
