单项选择题

A．On a plane.
B．On television.
C．On the ground.
D．In a hospital.
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单项选择题
A．Huge increase in the number of public relations companies.B．Shrinking cultural differences.C．New communications technologies.D．PR efforts in other countries.
A．Huge increase in the number of public relations companies.
B．Shrinking cultural differences.
C．New communications technologies.
D．PR efforts in other countries.
单项选择题
One reason Americans are more likely to travel this year is that.
A．airlines tickets are less expensive
B．more and more Americans have cars
C．the stock market is up
D．travel agents are offering special deals
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