1, insufficient study time: students spend insufficient time in the study process, and do not have enough time to master tricycle driving skills, resulting in being unable to take the exam.
2. Lack of skills: The students did not fully master the tricycle driving skills during the learning process, or did not understand the test requirements and procedures, which led to the inability to take the test.
3. Mentality problem: Students encounter setbacks or excessive pressure in the learning process, which leads to unstable mentality, inability to concentrate on their studies, and inability to take exams.