8 Smoke________ is an electronic fire alarm that is sensitive to smoke.
(A)banner
(B)detector
(C) attractor
(D)altitude
(A)banner
(B)detector
(C) attractor
(D)altitude
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統計: A(32), B(140), C(28), D(18), E(0) #1965348
統計: A(32), B(140), C(28), D(18), E(0) #1965348