单项选择题

A．search
B．save
C．offer
D．seek
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单项选择题
A．proportionB．percentageC．rateD．ratio
A．proportion
B．percentage
C．rate
D．ratio
单项选择题
What is the color code of the shelves where normal size novels are placed
A．Blue
B．Red
C．Yellow
D．White
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