2. Changing majors generally depends on the grade points of freshmen and the results of changing majors; Be prepared for the summer vacation of freshmen, and you have to take an advanced exam to change your major.

3. Changing majors ends before choosing the branch of business administration, so don't worry too much about changing majors.

PS: At that time, one of our classes was in business administration and the other was in hydrology. Study hard and come on!