Driving Safely第 58 / 60 题
When changing lanes or merging in a combination vehicle, why must you allow extra space and time?
a.Because the trailer has no mirrors
b.Because the vehicle is long and the trailer off-tracks, so you need more room for the whole rig to clear
c.Because the engine is slow to start
d.Because the trailer brakes are stronger
解析
A combination vehicle is long, accelerates slowly, and the trailer off-tracks, so you need more space and time to change lanes or merge safely. You must be sure the entire rig, including the trailing trailer, will clear other vehicles. Checking mirrors and signaling early are essential.
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