客运专线无渣轨道具有良好的结构耐久性和少维修性能。

—Conductor, can I get to Market Street on this train?

—Of course．The train is leaving．_____, please．

A．Step lively

B．Mind your step

C．Look out

D．Walk slowly

I arrived late and missed the flight. I _____ the traffic to be so heavy. [ ]

A. hadn't expected  

B. haven't expected  

C. wouldn't expect  

D. was expected  

质量方针必须形成文字，且必须单独发布。

不同的用户在HS业务优先级不一样，获得NodeB的调度也不一样从而体现出速率的差异，RNC在哪条信令中将用户的HS优先级发给NodeB（）

A.RadioLinkRestoreIndicationMsg

B.RadioLinkSetupRequestFDDMsg

C.RadioLinkReconfigurationPrepareFDDMsg

D.RadioLinkReconfigurationCommitMsg

重金属检查适宜的浓度范围是相当于标准铅溶液（）

A.2ml

B.1～2ml

C.2～5ml

D.1ml

E.1～5ml