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【单选题】
航空公司根据顾客不同的身份、航班时间、订票时间和方式等不同因素制定不同的价格,这种定价策略是( )A.
折扣定价
B.
心理定价
C.
组合定价
D.
差别定价
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举一反三
【单选题】The missing boy were last seen _________ near the bank.
A.
playing
B.
to be playing
C.
play
D.
to play
【单选题】The missing boy were last seen _______near the river.
A.
playing
B.
be playing
C.
play
D.
to play
【单选题】At the moment, the police ______trying their best to search for the missing boy.
A.
are
B.
is
C.
were
D.
was
【单选题】The whole class_____searching for the missing boy when the heavy rain poured down
A.
was
B.
were
C.
had been
D.
would be
【简答题】The boy was missing. His parents were very concerned about his safety.
【单选题】It’s reported that many policemen were sent to the forest ____________ the missing boy.
A.
in need of
B.
in favor of
C.
in honor of
D.
in search of
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