How many years should Rhus rest after it is cut for lacquer for 1 year?
A. 5years
B. two years
C. half a year
查看答案
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
What’s the color of the raw lacquer when it first comes out from Rhus?
A. white
B. brown
C. black
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