单项选择题

Questions 19 to 21 arc based on the conversation you have just heard.

A．He is a professional electrician.
B．He possesses a basic knowledge of electricity.
C．He knows nothing about electricity.
D．Electricity is his major.
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单项选择题
A．She’s enjoying the music.B．The music will keep her awake.C．The music doesn’t bother her.D．She would prefer a different style of music.
A．She’s enjoying the music.
B．The music will keep her awake.
C．The music doesn’t bother her.
D．She would prefer a different style of music.
单项选择题
A．At a public forum.B．In an auditorium.C．On TV.D．In a classroom.
A．At a public forum.
B．In an auditorium.
C．On TV.
D．In a classroom.
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