4. The installation of household smoke_______ is important in the prevention of potential fires.
(A) detectives
(B) detection
(C) detectors
(D) shower
(E) burners

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統計： A(73), B(107), C(228), D(17), E(32) #398943

詳解 (共 2 筆)

#561232
detection是偵查 例如:crime detection
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#4650816
household smoke detector 住警器
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