单项选择题

A．It helps people work efficiently.
B．It’s more refreshing than soda.
C．It should be drunk in moderation.
D．It has less flavor than tea.
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单项选择题
A．Sixteen below zero.B．Six below zero.C．Sixteen above zero.D．Six above zero.
A．Sixteen below zero.
B．Six below zero.
C．Sixteen above zero.
D．Six above zero.
单项选择题
A．The library is in the busiest part of the city.B．The library has grass and trees around it.C．The roof of the Main Reading Room is 41 feet high.D．Its rooms are very large.
A．The library is in the busiest part of the city.
B．The library has grass and trees around it.
C．The roof of the Main Reading Room is 41 feet high.
D．Its rooms are very large.
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