Energy efficiency is one of the top_____in Dockside Green, one of the eco-communities.

A. privileges B. priorities

C.possibilities D. preferences

B

【解析】

試題分析：句意：能源效率是生態(tài)社區(qū)之一的Dockside Green最優(yōu)先考慮的事情之一，A. privileges特權(quán)， B. priorities優(yōu)先考慮的事情，C.possibilities可能性，D. preferences偏愛，所以選B。

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