(2010·黑龙江哈三中高三10月月考) 33. ---Have all the mysteries been cleared up? --- Almost. But ______ only one question ______. A. there remains; answered B. it remains; to be answered C. there remains; to be answered D. it remains; answered 答案:C下列各组能源中,均属于不可再生能源的是( )A. 煤、石油、天然气 B. 太阳能、地热能、风能C. 电能、汽油、风能 D. 核能、水能、生物能
A
【解析】A.煤、石油、天然气都是化石能源,属于不可再生能源,故A正确;B.太阳能、地热能、风能都属于可再生能源,故B错误;C.电能、风能属于可再生能源,故C错误;D.核能是不可再生能源,水能和生物质能属于可再生能源,故D错误。故选A.