题目内容：
多选题,10分] 学生成绩表grade中有字段score（float）,现在要把所有在55分至60之间的分数提高5分，以下sql语句正确的是A.Update grade set score=score+5
B.Update grade set score=score+5 where score>=55 or score <=60
C.Update grade set score=score+5 where score between 55 and 60
D.Update grade set score=score+5 where score >=55 and score <=60
参考答案：