The difficulty of the topic changes from small to large according to the number of topics. Generally speaking, it is relatively simple to fill in the blanks in front and choose a topic at the beginning. These topics are generally not easy to get stuck. Just do it carefully, and you may encounter the thorny problem of 1-2 at the back of the topic. Look at the topic carefully first and think carefully. Don't let go of what you can do. Skipping too many questions can easily cause psychological anxiety, and it is also difficult to grasp the time. If you can't solve it at once, then look at the following questions to do it.

Secondly, when solving problems, especially when filling in the blanks and answering short answers, we should pay attention to two or more solutions, don't lose the solutions, and consider the problems comprehensively.