单项选择题

A．A platform worker.
B．A computer.
C．The command spot.
D．A machine.
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单项选择题
A．Training given to music therapists.B．How music prevents disease.C．Studies on the benefits of music.D．How musicians create music.
A．Training given to music therapists.
B．How music prevents disease.
C．Studies on the benefits of music.
D．How musicians create music.
单项选择题
A．10 points.B．2 points.C．15 points.D．5 points.
A．10 points.
B．2 points.
C．15 points.
D．5 points.
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