单项选择题


A．pay
B．paying
C．help
D．helping
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单项选择题
What was the main concern of industrialists before the marketing concept was widely accepted
A．The needs of the market.
B．The efficiency of production.
C．The satisfaction of the user.
D．The preferences of the dealer.
单项选择题
In discussing the marketing concept, the author focuses on ______.
A．its main characteristic
B．its social impact
C．its possible consequence
D．its theoretical basis
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