The narrator visits the library to research an assignment, finds useful books, studies in the quiet reading room, and leaves feeling more confident.
今天是周三，我有一个作业要做。
Today is Wednesday, and I have an assignment to do.
老师让我们写一篇关于中国历史的文章。
The teacher asked us to write an article about Chinese history.
我需要去图书馆找一些资料。
I need to go to the library to find some materials.