单项选择题

A. The latest computer technology.
B. The organizing of an exhibition.
C. The purchasing of some equipment.
D. The dramatic changes in the job market.
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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.
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.
单项选择题
A. At a fair. B. At a cafeteria. C. In a computer lab. D. In a shopping mall.
A. At a fair.
B. At a cafeteria.
C. In a computer lab.
D. In a shopping mall.
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