单项选择题

Questions 19 to 22 are based on the conversation you have just heard.

A. Computer-related physical problems.
B. Computer-related social problems.
C. Computer programs..
D. Computer viruses.
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单项选择题
A. He’s a business director for a hotel company. B. He is a salesman of a company. C. He’s the manager of a big hotel in America. D. He’s the manager of a travel agency.
A. He’s a business director for a hotel company.
B. He is a salesman of a company.
C. He’s the manager of a big hotel in America.
D. He’s the manager of a travel agency.
单项选择题
A. Switch to a later flight. B. Go to the airport immediately. C. have somebody change the ticket for him. D. Buy a ticket for the 10 o’clock flight.
A. Switch to a later flight.
B. Go to the airport immediately.
C. have somebody change the ticket for him.
D. Buy a ticket for the 10 o’clock flight.
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