题目内容

生用性滑，炒炭用性涩的是( )

A. 蒲黄
B. 大蓟
C. 决明子
D. 山楂
E. 荆芥

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Formed from the gum of pines, amber is carbonized wood product.

The raw material of the biological sciences has been subjected to ______.

桂枝适合于切( )

A. 极薄片
B. 薄片
C. 厚片
D. 斜片
E. 直片

According to a general definition, a mature tree would be at least ______.