【多选题】【消耗次数：1】
太阳能是清洁的新能源，为了环保我们要减少使用像煤炭这样的常规能源而大力开发新能源。请问以下哪些属于新能源（）。
①
A.石油
②
B.地热能
③
C.核能
④
D.天然气
参考答案：
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