1, each set of paper is wrapped in kraft paper, which is resistant to dirt and wear.

2, each set of papers is a weekly exam, a single exam, a monthly exam, a mid-term exam, and a final exam, so that knowledge cannot be separated, and there are exercises every week and exams every month.

3, the texture is great, the test paper is white, the paper is thick, the handwriting printed on the test paper is very clear and fair, the questions are difficult to order, and the questions are comprehensive.