8 The national health guideline suggests that each adult should take at least 30 minutes of physical exercise of _________ ntensity, three times per week.
(A)moderate
(B)vague
(C)versatile
(D)miserable
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統計: A(84), B(15), C(21), D(6), E(0) #2937070
統計: A(84), B(15), C(21), D(6), E(0) #2937070