Safe Driving第 53 / 120 题
Which surface is most likely to be icy first when temperatures drop toward freezing?
a.A long straight stretch of dry asphalt
b.Bridges, overpasses, and shaded areas
c.The center of an urban intersection
d.A recently paved uphill lane
解析
Bridges and overpasses lose heat from both the top and the underside and freeze before the surrounding road, and shaded spots stay cold longer. Sun-exposed straight roads, busy intersections, and fresh pavement generally retain heat longer.
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