单项选择题


Questions 1446 are bused on the following dialogue. You now have 15 seconds to read Questions 14--16.
What may the red thing do besides recording

A．Wipe off the sound on the tape.
B．Play the recorder.
C．Set the recorder to work.
D．Stop the recorder.
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单项选择题
Why air must be pumped into the plane
A．Because without air the plane can’t fly.
B．Because the plane needs air for its fuel.
C．Because the passengers’ lives depend on air.
D．Because the passengers have paid for it.
单项选择题
When Davison was hiding by the stairs, the policemen were
A．searching the flats.
B．running in the street.
C．searching for him in the street.
D．looking in the doorway.
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