Chinese paper was made from
A. the hair-like parts of certain plants.
B. the wood of trees.
C. the skin of certain young animals.
D. the stem Of tall plants.
In 1900, the world's use of paper was about ______ for each person in a year.
A. 50 kilograms
B. I kilogram
C. 5 kilograms
D. 15 kilograms
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