問題詳情
【題組】74. We can learn from the text that the driver needs to stop for a break when his response time is ________.
(A) about 400 milliseconds
(B) over 500 milliseconds
(C) below 500 milliseconds
(D) about 4 minutes
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)