When painting, it is required to be accurate, profound, full, even and clean. You can't run out of position or offside. When coloring, the same information bits should be kept at the same depth. But you can't cut information cards. The information card should be clean, and no ink, dirt or scribbling in the non-information position with a filling pen is allowed.
Filling skills:
1, before use, grind the pencil head into a horseshoe shape on paper (the thickness is similar to that of a small grid), which is more suitable for filling than a small grid.
2, you can choose to buy a special machine-readable card to fill the mechanical pencil, because this mechanical pencil nib has been made into a horseshoe shape.
3. You can choose to buy a ruler to fill in. There are holes of the same size on the ruler. Just fill it in.
4. When filling in the answer sheet, you can't fold it, otherwise it will be invalid.
5. When filling in the answer sheet, the way to eliminate static electricity is to touch the wall or grounded object with your hands.
Baidu encyclopedia-answer sheet