单项选择题

A．They were frightened and distressed.
B．They swam away when me speaker was turned on.
C．They swam closer to "examine" me speaker when it was turned off.
D．They didn’’t seem to be frightened and kept swimming near the speaker.
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单项选择题
Most tropical storms do not become hurricanes.
A．Y
B．N
C．NG
单项选择题
You would be considered poor in America if_________.
A．you are out of a job
B．you earn less than three times the amount needed to provide the cheapest diet
C．you earn less than $14,335 (before tax) a year
D．the amount of money you earn is below the current poverty line
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