Coal, though ______ than either oil or gas, is still a finite resource.A、much en

游客2024-10-26 26

问题 Coal, though ______ than either oil or gas, is still a finite resource.

选项 A、much energy more abundant source
B、the much more energy abundant source
C、a much more abundant energy source
D、energy source more abundant

答案 C

解析

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