Not necessarily. Grades can be considered a measure of a result, it would depends a lot of the result you are measuring. For example, if you measure the behaviour of interest in class, the student that is trying hard in class would score well. But it also can happen that when that student face a test get blocked and stressed and do not score that well. Grades will always depend on what is measured, and currently those measures will be strictly connected with the beliefs of the teacher and his understanding of the most effective way of teaching.
Answer:
Ralph and Jack engage in a fight which neither wins before Piggy tries once more to address the tribe. Any sense of order or safety is permanently eroded when Roger, now sadistic, deliberately drops a boulder from his vantage point above, killing Piggy and shattering the conch.
He is both excited and fearful after hearing the witches' prediction about his future because the witches told Macbeth that he would be king, and he is worried about his role in making the prediction come true.
There is no simile because the sentence does not have like or as. Therefore, the answer is none. Good luck!
The answer would be (why)