First of all, this elder sister is talking nonsense. The original question is impossible, otherwise it is missing, and the proposition group deliberately comes up with new questions. It can't be the same as the original question, and the questions are all similar.

Second, your hope shows that you are impetuous, so it is difficult to review well. Pay more attention to the knowledge structure in the stem. That's the point. The questions are endless and can never be finished, but the knowledge points are limited.