6 While a scientific truth, or the mathematical ______ of it, is not a patentable invention, a novel and useful structure created
with the aid of knowledge of scientific truth may be. Choose the one word that best completes the above sentence:
(A) laptop
(B) expression
(C) materials
(D) machinery
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統計: A(0), B(2), C(0), D(1), E(0) #1231311
統計: A(0), B(2), C(0), D(1), E(0) #1231311