阿摩線上測驗
37 A fire is a connection point by which firefighters can tap into a water supply. It is a component of active fire protection.
(A) hose
(B) line
(C) hydrant
(D) engine
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統計： A(64), B(46), C(214), D(26), E(0) #2355275
統計： A(64), B(46), C(214), D(26), E(0) #2355275
