30. What is the main idea of this passage?
(A) To compare alchemy with chemistry.
(B) To discuss the development of chemistry.
(C) To explain the origin of the word “chemistry.”
(D) To introduce an experimental approach to chemistry.
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統計: A(1), B(20), C(10), D(4), E(0) #661169
統計: A(1), B(20), C(10), D(4), E(0) #661169