单项选择题


A．in
B．on
C．in order to
D．for
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单项选择题
A．byB．onC．inD．with
A．by
B．on
C．in
D．with
单项选择题
We learn from the second paragraph, ______.
A．reducing cost is the surest way to increase profits
B．profits depend on how fast goods are moving
C．fair markup promise the greatest profits
D．lower markup brings reasonable profits
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