数组里有10条记录，分别是10个学生的期末语文成绩，要求把所有低于60分的记录改成不及格（使用字符串数组存储成绩）。(There are 10 records in the array, which are the final Chinese scores of 10 students. They require that all the records below 60 be changed to fail (using string array to store the scores).)