1.文具类：pen pencil pencil-case ruler eraser crayon book bag sharpener notebook
2.身体部分类：head face nose mouth eye ear arm hand finger leg foot body
3.颜色类：red yellow green blue purple black white orange pink brown grey
4.动物类：cat dog monkey panda rabbit duck pig bird bear elephant mouse squirrel snake tiger lion giraffe deer sheep
5.食物类：cake bread hot dog hamburger Friench fries egg noodles soup rice chicken fish beef pork mutton tofu vegetable cabbage tomato potato eggplant green beans
