2. Fill in the blanks is an objective question. Generally, it is a mid-range problem, but because there is no intermediate problem-solving process, there is no process score. A little mistake is the same as doing nothing at all, and the consequences are very serious. When reviewing questions, we should pay attention to the knowledge points, methods and error-prone points of such questions.
3. The answer accounts for a large proportion in the test paper (74 points), and it is necessary not only to calculate the results but also to list the problem-solving process. When solving this kind of problems, it is extremely important to examine the questions. Only by understanding the conditions and implied information provided by the topic, associating the general methods of related problems, and finding and determining the specific methods and steps to solve the problem can we solve the problem.