Everyone _____ fight against pollution.[ ]
A. may
B. should
C. mustn't
D. needn't
答案:B
梁启超阐述变法图存道理的重要论著《变法通议》发表在[ ]
A.《时务报》
B.《中外纪闻》
C.《国闻报》
D.《循环日报》
下列哪些信息不会出现在PDP关联的追踪里面()
A.Internal state-machine transitions
B.Radius server configuration
C.UE type
D.Charging info