单项选择题
A.94.9% B.96.8% C.99.3% D.101.4% E.105.3%
A.十分之几 B.千分之几 C.万分之几 D.十万分之几 E.百万分之几
A.0.05% B.0.10% C.0.20% D.0.50% E.1.00%