答案：
One possible version
Social practice bencfits students mainly in two aspects. First, it can enrich students' experiences and
equip them with more knowledge about the society. Second, social practice can offer students opportunities
to apply what they learn in class to practical work.
However, some problems arise if students are engaged in too much social practice. For example, some
students put so much effort in it that they cannot set aside much time and energy for study. As a result, they
don't do well in their study, which is not a good effect of social practice.
In my opinion, it is important for students to keep the balance between study and social practice. They
should keep study in the first place and hold social practice as an addition. Only in this way can social practice
really benefit students.