单项选择题

A．They were frightened and distressed.
B．They swam away when the speaker was turned on.
C．They swam closer to "examine" the 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
A．Graduate school application procedures.B．Funding for university education.C．Winning the confidence of voters.D．Preparing for an important test.
A．Graduate school application procedures.
B．Funding for university education.
C．Winning the confidence of voters.
D．Preparing for an important test.
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