单项选择题

A．Because of the loudness of the sound waves.
B．Because of the fear of sea animals.
C．Because of the fear of the confusion and harm caused by sound waves.
D．Because of the noise of the experiment.
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单项选择题
A．It makes one likely to ignore how other things are going on.B．It doesn’t help one lose weight.C．It does harm to one’s health.D．It prevents one from achieving his or her goal.
A．It makes one likely to ignore how other things are going on.
B．It doesn’t help one lose weight.
C．It does harm to one’s health.
D．It prevents one from achieving his or her goal.
单项选择题
A．His flight arrived late.B．Shirley had a long drive to the airport.C．His flight took three hours.D．Shirley had trouble finding the airport.
A．His flight arrived late.
B．Shirley had a long drive to the airport.
C．His flight took three hours.
D．Shirley had trouble finding the airport.
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