39. What advantage do microgrids offer in case of a power system failure?
(A) They automatically increase energy use.
(B) They remain connected to the main grid.
(C) They continue providing power locally.
(D) They rely entirely on fuels like gas and coal.
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統計: A(100), B(122), C(276), D(68), E(0) #3362477
統計: A(100), B(122), C(276), D(68), E(0) #3362477