驾驶机动车遇到校车在道路右侧停车上下学生，同向有两条机动车道时，左侧车道后方机动车应当停车等待。
参考答案：对
I am speak in public tomorrow, and I'm well prepared for it. [ ]
A. due to
B. owing to
C. thanks to
D. because of
简述色彩明度及其含义。
