单项选择题

A．Sewage and industrial waste.
B．Oil pollution on the beach.
C．Oil discharged at sea when people cleaning oil tanks.
D．The oil that leaks out after ship collisions.
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单项选择题
A．Training given to musicians.B．How music prevents disease.C．How musicians create music.D．Studies on the benefits of music.
A．Training given to musicians.
B．How music prevents disease.
C．How musicians create music.
D．Studies on the benefits of music.
单项选择题
A．A book called Psychology and the Modern Age.B．A social book called the Modern Age.C．A book called Physiology and the Modern Age.D．A book called Sociology and the Modern Age.
A．A book called Psychology and the Modern Age.
B．A social book called the Modern Age.
C．A book called Physiology and the Modern Age.
D．A book called Sociology and the Modern Age.
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