阿摩線上測驗
6. The origins of the diffusion of innovations theory, advocated by Everett Rogers, a professor of communication studies, are varied and _________ multiple disciplines.
(A) spread
(B) extent
(C) span
(D) stretch
(A) spread
(B) extent
(C) span
(D) stretch
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統計： A(29), B(99), C(64), D(31), E(0) #2026996
統計： A(29), B(99), C(64), D(31), E(0) #2026996
