阿摩線上測驗
63.Greater force of contraction comes when?
(A) Motor units are stimulated for a longer time；
(B) More motor units are stimulated；
(C) More ATP is available；
(D) Motor units have few
muscle fibers per unit.
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統計： A(1), B(5), C(1), D(1), E(0) #3325469
統計： A(1), B(5), C(1), D(1), E(0) #3325469
