单项选择题
A.1B.2C.3D.4
A.1℃B.2℃C.3℃D.4℃
A.81.5℃B.81.9℃C.82℃D.82.0℃
A.0~100℃,0.1℃B.0~300℃,0.1℃C.0~100℃,0.5℃D.0~300℃,0.5℃
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