49 Which of the following possible passive means can be inferred from the passage?
(A)Adopting a sprinkler system
(B)Adopting a fire detection system
(C)Adopting fire-resistant materials
(D)Adopting an indoor hydrant system
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統計: A(55), B(137), C(150), D(42), E(0) #2024012
統計: A(55), B(137), C(150), D(42), E(0) #2024012