单项选择题

A．A librarian.
B．A Chairman.
C．A monitor.
D．A lecturer.
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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.
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.
单项选择题
A．That there was no effect.B．That it improved operations.C．That operations became less efficient.D．That the employees became dissatisfied.
A．That there was no effect.
B．That it improved operations.
C．That operations became less efficient.
D．That the employees became dissatisfied.
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