单选题 · 选择一个答案
At roadworks, sign 1 is an advance warning of traffic controllers. In scene 2 a roadworker faces you with a hand-held STOP sign. Which response is correct?
道路施工处，1号标志预告前方有交通指挥人员；场景2中的道路工人正面向你展示手持STOP牌。哪项做法正确？
The advance warning prepares you for traffic control. The actual hand-held STOP instruction requires you to stop before reaching that sign and wait until permitted to proceed.
预警标志提示你准备应对交通管制；实际手持STOP指令要求你在到达该牌之前停车，等待获准通行。
阅读相关知识
The warning sign itself is not a hand-held STOP sign. Stop when directed and proceed cautiously only when permitted, observing temporary speed limits.
预警牌本身不是手持 STOP 牌。接近时应准备应对交通管制；遇到 STOP 指令必须停车，获准通行后再谨慎前进，并遵守临时限速。