2. Fire alarm systems used to protect life and property are ________ through fire detectors, such as smoke or heat sensors.
(A) activated
(B) accessed
(C) accused
(D) acceded

答案：登入後查看
統計： A(237), B(83), C(29), D(13), E(0) #2310639

詳解 (共 2 筆)

#4670994

(A) activated 啟動 

(B) accessed 使用...的權利(to)

(C) accused 指控(of 罪狀) 

(D) acceded 同意(of sth)

用來保護生命和財產的火警系統是透過火的偵測器啟動，像是煙或熱感應器。

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#3992417
(A) activated 啟動 (B)...
(共 122 字，隱藏中）
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