单项选择题
A.95-100%; B.100-105%; C.95-105% D.100-108%
A.1.1 B.1.25 C.1.5 D.1.75
A.等于或大于16 B.大于16 C.等于或大于20 D.小于16
A.0.6B.0.8C.1.0D.1.2
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