Black gel pen: gel pen with 0.5mm tip. The test requirements of the exam are all required to answer questions with 0.5mm black ink pen. Red gel pen: The red pen is used to correct homework. There are usually two black pens, a black pen and a red pen in the pencil box.

Highlighter pens are used when drawing key points. Pick your favorite color, usually 2 at most. Highlighter recommends yellow and purple, one is brighter and the other is more conspicuous. Notebook: prepare a notebook for each subject. Difficulties and mistakes can be recorded and reviewed later.