单项选择题

A．The oceans and the gold rush.
B．Tourism and the entertainment industry.
C．The railroads and the discovery of oil.
D．Sea trade and the airplane industry.
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单项选择题
A．Oil.B．Wood.C．Natural gas.D．Coal.
A．Oil.
B．Wood.
C．Natural gas.
D．Coal.
单项选择题
A．It had a strange accent.B．It was difficult to understand.C．It had a strong Italian accent.D．It was easy to Understand.
A．It had a strange accent.
B．It was difficult to understand.
C．It had a strong Italian accent.
D．It was easy to Understand.
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