单项选择题

A．In about 20 years.
B．Within a week.
C．In a couple of weeks.
D．As early as possible.
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单项选择题
To service the burgeoning tourist industry, an array of professionals has developed who attempt to reproduce ever-new objects for the tourist to look at.
A．Y
B．N
C．NG
单项选择题
A．Gold was discovered.B．The Transcontinental Railroad was completed.C．The Golden Gate Bridge was constructed.D．Telegraph communications were established with the East.
A．Gold was discovered.
B．The Transcontinental Railroad was completed.
C．The Golden Gate Bridge was constructed.
D．Telegraph communications were established with the East.
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