单项选择题
A.10% B.50% C.100% D.80%
A.5% B.10% C.15% D.20%
A.89℃ B.89.3℃ C.98.3℃ D.88.3℃
A.109.5℃ B.100.3℃ C.109℃ D.109.3℃
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