题目内容
Scientists have found _____for oil as fuel. Coal, natural gas, solar power, nuclear power and even water can replace it as sources of energy.
A. consequencesB. substitutes
C. requirementsD. contrasts
B
【解析】
试题分析:考查名词。A. consequences结果;B. substitutes代替物;C. requirements要求;D. contrasts对照物。句意:科学家已经发现作为燃料油的替代品,煤、天然气、太阳能、核能、甚至水都可以取代它作为能源。选B。
考点:考查名词
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