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What is the 'danger zone' around a school bus?
a.The area on all sides of the bus where children are in the most danger of being hit
b.Only the space directly behind the rear bumper
c.The interior aisle where students stand while boarding
d.The 50-foot lane reserved for the bus at the curb
解析
The danger zone is the area on all sides of the bus, extending as much as 30 feet from the front bumper and 10 feet on the other sides, where children are at the greatest risk of being struck. A driver may not be able to see students who are within this zone. Extra caution and mirror checks are essential before moving.
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