单项选择题
A.-0.8s/(d·V)~0.8s/(d·V)B.-1.5s/(d·V)~1.5s/(d·V)C.-2.0s/(d·V)~2.0s/(d·V)D.-2.5s/(d·V)~2.5s/(d·V)
A.-2.5B.-2.0C.1.5D.2.5
A.-8℃B.0℃C.8℃D.38℃