graded use of energy

例句：

1. 1. The students were graded on their performance in the exams.
   学生们根据他们在考试中的表现被分级。
2. 2. The company has a system of graded promotions based on performance.
   该公司有一个基于表现的分级晋升系统。
3. 3.The team was graded by the coach based on their ability to adapt to new situations.
   教练根据队员们适应新情况的能力进行了分级。