1. When did wax printing appear?
In the Qin and Han dynasties.
2. What insect (昆虫) helped the finding of wax printing?
A bee.
3. How many steps does wax printing have?
Four.
4. What colour of cloth is used to draw pictures on?
White (cloth).
5. What does the last paragraph mainly talk about?
Where wax printing is mainly used.
答案：1. In the Qin and Han dynasties.
2. A bee.
3. Wax printing has four steps./Four.
4. White (cloth).
5. Where wax printing is mainly used.
