問題詳情

【題組】39 According to the passage, the white color of the smoke particles generated by a flashbulb contributes to
(A)rapid cooling
(B)bright illumination
(C)electrical conductivity
(D)intense heat

參考答案

答案：B
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)