单项选择题

A．It can reduce the number of passenger complaints.
B．It can make air travel more entertaining.
C．It can cut down the expenses for air travel.
D．It can lessen the discomfort caused by air travel.
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单项选择题
If your potential clients are all local, you still must develop and maintain a Website.
A．Y
B．N
C．NG
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A．The weather report is not accurate.B．The snow fell too deep.C．The weather report is not available.D．The snow fell too early.
A．The weather report is not accurate.
B．The snow fell too deep.
C．The weather report is not available.
D．The snow fell too early.
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