A smoke _____ system provides families w

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问题 A smoke _____ system provides families with early warning of fire.A.collectionB.repressionC.detectionD.resonance

选项 A.collection
B.repression
C.detection
D.resonance

答案 C

解析 detection检测。collection采集。repression抑制。resonance回声，共鸣。

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