1, to help students pass the exam smoothly, which is also one of the main purposes of most students.

2. Make students master enough knowledge to pave the way for future work and study, because as far as the function of this course is concerned, it is the source of knowledge for tour guides to explain the content in the future (the course involves astronomy and geography), and it is also an indispensable basic material for tour guides to explain in practical work.

3. Help candidates to establish personal interests and speed up the professionalism of candidates' services.