求翻译：转入正题，下面这些平时就可以开始练习了，到高三就一定要熟练了，还有平时就要注意考试心态的培养，哪也是一个得高分的关键！是什么意思？

Come to the subject, can begin following the usual practice, must be proficient in grade three, and also note examination have usual mentality of culture, which is also a key to get high marks!