右侧副神经损伤，颈部向何侧转动力量减弱（）

A.颈向右转无力

B.颈后伸受限

C.转颈不受影响

D.颈前曲受限

E.颈向左转无力

To a router, a flow is a (1) of packets that share the same Characterstics, such as traveling the same (2) ,using the same (3) ,having the same kind of security, and so on. A router that supports the handling of flow labels has a (4) table. The table has an entry for each active flow label; each entry defines the (5) required by the corresponding flow label.

5（）

A．quality

B．Traffic

C．services

D．route