单项选择题
A.0.85-0.95 B.0.95-1.05 C.1.05-1.05 D.1.45-1.95
A.0.85-0.95 B.0.95-1.05 C.1.05-1.15 D.0.75-1.15
A.10-20 B.20-40 C.40-60 D.60-80
A.外侧滑 B.内侧滑 C.侧滑板外移 D.横向滑
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