10 Exercise is a direct and _____ contribution to reducing the likelihood of heart disease.
(A)notable
(B)migratory
(C)insignificant
(D)incidental
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統計: A(300), B(54), C(109), D(55), E(0) #2065779
統計: A(300), B(54), C(109), D(55), E(0) #2065779