绿色能源是指使用过程中不排放或排放极少污染物的能源，如一级能

绿色能源是指使用过程中不排放或排放极少污染物的能源，如一级能源中的水能、地热、天然气等；二级能源中电能、氢能等。下列能源属于绿色能源的是（）
① 太阳能 ② 风能 ③ 石油 ④ 煤 ⑤ 潮汐能 ⑥ 木材

A．①②③

B．③④⑤

C．④⑤⑥

D．①②⑤

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offer

B．

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must

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