皮皮学，免费搜题
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【单选题】
主含黄酮类成分、多糖、多种氨基酸及微量元素的药材是A.
甘草
B.
白芍
C.
韧皮部有多数裂隙,裂隙附近的细胞常木栓化,木质部导管周围有纤维束
D.
白芷
E.
人参
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举一反三
【简答题】Recently a professor of philosophy in the United States has written a book called Money and the Meaning of Life. He has discovered that how we deal with money in our day-to-day life has more meaning...
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【简答题】One of the exercises he asked his students to do is to keep a record of every penny they spend for a week.
【单选题】In one of the exercises, the professor asked his student to
A.
find out the meaning of life.
B.
record their day-to-day life.
C.
spend more money.
D.
keep track of every penny they spend.
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