阿摩線上測驗
48 The structural frame was extensively damaged by the fire because the building had no , smoke detection or fire alarm.
(A) cripple
(B) sprinkler
(C) measure
(D) volume
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統計： A(13), B(174), C(33), D(14), E(0) #2354253
統計： A(13), B(174), C(33), D(14), E(0) #2354253
