問題詳情

49 Each building should be equipped with a fixed-temperature ___________to respond to the increase of heat to apredetermined level.
(A)divider
(B)denouncer
(C)detector
(D)decoder

參考答案

答案：C
難度：適中0.609375
統計：A(4),B(11),C(39),D(5),E(0)