19 According to the passage, which renewable source burns materials like fossil fuels?
(A) Biomass energy.
(B) Geothermal energy.
(C) Hydrokinetic energy.
(D) Hydroelectric energy.
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統計: A(93), B(17), C(13), D(13), E(0) #3840662
統計: A(93), B(17), C(13), D(13), E(0) #3840662