单项选择题
Questions 11 to 18 are based on the conversation you have just heard.
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A.$80.
B.$60.
C.$90.
D.$15.
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Policemen, firemen and emergency doctors all can be called first responders.
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单项选择题
A.Computer sales negotiations.B.A preliminary interview.C.An Internet seminar meeting.D.Computer games.
A.Computer sales negotiations.
B.A preliminary interview.
C.An Internet seminar meeting.
D.Computer games.
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