A.≤60S B.60s~100s C.100s~130s D.130s~150s E.≥150s
A.2.0~2.5 B.2.5~3.0 C.3.0~4.0 D.4.0~4.5 E.4.5~5.5
A.1.4 B.1.5 C.1.6 D.1.8 E.1.9