单项选择题
A.13m/s B.14m/s C.16m/s D.17m/s
A.85℃超过10s B.95℃超过5s C.100℃超过5s D.100℃超过10s
A.45m,80m B.46m,70m C.45.3m,80m D.46.3m,70m