The loudness of the sound waves．,The fear of sea animal-找考题网

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.

单项选择题

A．New teachers.B．New students.C．Married students.D．An interviewer.

A．New teachers.
B．New students.
C．Married students.
D．An interviewer.

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