单项选择题

A．Many hours.
B．One full day.
C．Two full days.
D．Three full days.
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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
A．He took the place of a president who resigned his position.B．He had worked for 38 years in Washington DC till 1930.C．He never lost the speech or manners of his hometown.D．He kept two dogs in his ranch in Johnson City, Texas.
A．He took the place of a president who resigned his position.
B．He had worked for 38 years in Washington DC till 1930.
C．He never lost the speech or manners of his hometown.
D．He kept two dogs in his ranch in Johnson City, Texas.
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