6. Rather than focus on building large centralized plants, why not _____ solar power across a bunch of rooftops?
(A) distribute
(B) penetrate
(C) initiate
(D) perish
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統計: A(371), B(187), C(140), D(51), E(0) #2298644
統計: A(371), B(187), C(140), D(51), E(0) #2298644