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【多选题】
PTN的单层QOS分为哪几个方面（）
A.
NNI侧
B.
线路侧
C.
UNI侧
D.
终端侧
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参考答案：
举一反三
【单选题】Boiler rooms are often dirty and steamy, but this one is el.ean and cool. Fox Point is a very new47-unit living building in South Bronx, one of the city’s poorest areas. Two-thirds of the people livin...
A.
To explain the measures the city takes to care for poor people.
B.
To suggest that affordable housing is possible in all areas.
C.
To show how the environment-friendly building works.
D.
To compare old and new boiler rooms.
【单选题】光对病案的危害表现在许多方面，下列说法正确的是（）。
A.
光会使病案纸张发生粘连
B.
光使字迹变形，难以辨认
C.
光的热效应影响非磁记录病案的耐久性
D.
光破坏缩微胶片中片基的耐久性
E.
光的照射能降低光盘材料的耐摩擦能力
相关题目：
【单选题】Boiler rooms are often dirty and steamy, but this one is el.ean and cool. Fox Point is a very new47-unit living building in South Bronx, one of the city’s poorest areas. Two-thirds of the people livin...
A.
To explain the measures the city takes to care for poor people.
B.
To suggest that affordable housing is possible in all areas.
C.
To show how the environment-friendly building works.
D.
To compare old and new boiler rooms.
【单选题】光对病案的危害表现在许多方面，下列说法正确的是（）。
A.
光会使病案纸张发生粘连
B.
光使字迹变形，难以辨认
C.
光的热效应影响非磁记录病案的耐久性
D.
光破坏缩微胶片中片基的耐久性
E.
光的照射能降低光盘材料的耐摩擦能力
参考解析：
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