单项选择题

Passage One
Questions 26 to 29 are based on the passage you have just heard.

A．Benign virus.
B．Harmful virus.
C．Malignant virus.
D．Attacking virus.
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单项选择题
Why are labor-at-the-keyboard sites gaining popularity
A．Because people love to work on the Internet.
B．Because more people are finding jobs on the Internet.
C．Because people are being asked to work on the Internet.
D．Because working on the Internet is easier than other ways of working.
单项选择题
A．In a railway station.B．In a hotel room.C．In a restaurant.D．At the airport.
A．In a railway station.
B．In a hotel room.
C．In a restaurant.
D．At the airport.
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