93-100 A+ 4.0

88-92 A 3.7

83-87 A- 3.3

78-82 B+ 3.0

72-77 B 2.7

68-71 B- 2.3

63-67 C+ 2.0

58-62 C 1.7

53-57 C- 1.3

50-52 D 1.0

40-49 F 0

39以下 O 0

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上面三项分别是分数、成绩等级和GPA