广告可分为工业企业广告、经销商广告、消费者广告、专业广告，这是按什么标准进行分类（）A．广告传播的区域
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Trading according to the actual quality of actual commodity includes（）
A. sales by sample
B. sale by illustration
C. sales by specification
D. sales by place of origin
In the commodity description “Longkou greenbean vermicelli”, the method to stipulate commodity quality is（）
A. By trademark or brand
By standard
C. By specification
D. By product origin
Which of the following statements is true about British pub etiquette（）
A. It is OK to start up a conversation with someone sitting at a table
B. You should wait quietly for the waiters coming to serve you
C. You should tip bar staff in pubs
D. If you go to a pub with your friends, you should know how to buy the rounds
In international trade, the way to specify the quality of technological products is usually by（）
A. specifications
B. samples
C. place of origin
D. trademarks or brands
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