17. The earliest drugs were made from natural ingredients, but most medicines these days are _______.
(A) intrinsic
(B) synthetic
(C) forthcoming
(D) authoritarian

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統計： A(4), B(87), C(1), D(1), E(0) #2326988

詳解 (共 1 筆)

#5718531
(A) intrinsic 固有的，本質...
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