The raw lacquer won't make people allergic.
查看答案
How many years should Rhus rest after it is cut for lacquer for 1 year?
A. 5years
B. two years
C. half a year
Lacquer is used for various purposes except
A. medicine
B. fuel
C. coating
How many years does the Rhus generally grow before it is cut for lacquer?
A. 3 years
B. 4 years
C. 8years
How long has it been since people started to use lacquer in China?
A. 5000 years
B. nearly 10,000 years
C. 2000 years
微信支付 
支付宝支付