单项选择题

A．The loudness of the sound waves.
B．The fear of sea animals.
C．The fear of the confusion and harm caused by sound waves.
D．The noise of the experiment.
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单项选择题
A．Income affects happiness very much.B．Income affects happiness very little.C．Happiness affects income very much.D．Happiness affects income very little.
A．Income affects happiness very much.
B．Income affects happiness very little.
C．Happiness affects income very much.
D．Happiness affects income very little.
问答题
幸亏股市上扬，学校获得的资助也水涨船高，可是学费不断地上涨，却没有多少学校能遏制住。
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