42. According to the author, which of the following is true?
(A) To produce opiates from glucose is straightforward.
(B) To generate morphine from poppies is simple.
(C) Current drug business will receive little impact.
(D) The production of morphine from glucose is complex.
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統計: A(9), B(6), C(7), D(69), E(0) #840910
統計: A(9), B(6), C(7), D(69), E(0) #840910