单项选择题
A.视觉 B.听觉 C.运动觉 D.味觉
A.10~15% B.15~20% C.20~25% D.25~30%
A.15% B.20% C.25% D.30%
A.50~55% B.55~60% C.60~65% D.65~70%
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