单项选择题

A．Because she has a lot of things to do for the ceremony.
B．Because she wants to express her gratitude to the representatives.
C．Because she wants to get some immediate help from those persons.
D．Because she wants to know what work each representative can do.
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单项选择题
A．It is a race for gold and silver.B．It is a race for computer technology.C．It is a contest of strength and speed.D．It is a contest of mind, athletic determination and foreign languages.
A．It is a race for gold and silver.
B．It is a race for computer technology.
C．It is a contest of strength and speed.
D．It is a contest of mind, athletic determination and foreign languages.
单项选择题
A．It breaks down easily.B．It has an annoying noise while playing.C．It has no bass.D．It can’t have surround effects.
A．It breaks down easily.
B．It has an annoying noise while playing.
C．It has no bass.
D．It can’t have surround effects.
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