机动车行至泥泞或翻浆路段时，要停车观察，选择平整、坚实或有车辙的路段缓慢通过。
参考答案：对
一个数减去264得500，求这个数．
Gou-de-le, which is one of the largest supermarket Meitans, _____ some of its stores open 24 hours on Mondays through Saturdays.
A．keep
B．have kept
C．had kept
D．keeps
