对公客户经理应规范操作，认真执行上级指令。执行中如发现可能发生违章违纪行为，或可能导致风险时，应立即报告。（）
参考答案：对
公路隧道照明划分为哪几个区段？
A warehouse had a square floor with area 10,000 square meters. A rectangular addition was built along one entire side of the warehouse that increased the floor area by on-half as much as the original floor are-a. How many meters did the addition extend beyond the original building ？（）
A．10
B．20
C．50
D．200
E．500
