VPN在公网中形成企业专用的链路,这条专用的链路采用()技术。 A.隧道 B.专线

题型:单项选择题

问题:

VPN在公网中形成企业专用的链路,这条专用的链路采用()技术。

A.隧道

B.专线

C.DDN

D.FR

考点:铁路通信工技能考试铁路通信工(室内设备维护)铁路通信工(室内设备维护)题库
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In Britain, people have different attitudes(态度)to the police. Most people generally   1  them and the job they do, but some people said that the police shouldn’t    have special   2 .
What does a policeman actually do? It is not a(n)  3  job to describe. After all,a policeman has a number of jobs to do. A policeman often has to   4  traffic, either on foot in the centre of a town, or in a police car on the roads. Indeed,in Britain, he might be in the Traffic Police and spend a lot of time  5  up and down main roads. A traffic policeman has to help keep the traffic moving,stop speeding cars and help when there is a(n)  6  .
A policeman has to help keep the  7 ,too. If there is a fight, we  8  the police to come immediately. And they often have to deal with situation at great risk of their own  9 .
We want the police to solve crimes,of course,so an ordinary(普通) policeman,    10  he is not a detective,he will often have to help   11  criminals. And   12  do we call when there is an emergency—an air crash,a fire or an earthquake?Of course the police. So a policeman has to  13  to face any terrible emergency that may happen in the modern world.
The police do a  14  job,they do it so well that I support them. But I do not envy policemen. I do not think that I could   15  do the job of a policeman.
小题1:
A.dislike   B.protectC.admire   D.suspect
小题2:
A.power   B.thoughts C.knowledgeD.abilities
小题3:
A.funny  B.difficult   C.attractive   D.easy
小题4:
A.controlB.stop    C.remove     D.break
小题5:
A.walking  B.driving    C.marching  D.searching
小题6:
A.murderB.robberyC.accidentD.theft
小题7:
A.peace   B.balanceC.situation   D.rule
小题8:
A.order  B.encourageC.allow    D.expect
小题9:
A.family  B.safety  C.future   D.work
小题10:
A.only if   B.as    C.since   D.even if
小题11:
A.interview   B.noticeC.arrest   D.warn
小题12:
A.how    B.whereC.what   D.who
小题13:
A.hope   B.promise    C.prepare  D.decide
小题14:
A.comfortableB.hopelessC.necessaryD.meaningless
小题15:
A.hardly  B.ever   C.forever    D.never
题型:单项选择题

咽淋巴内环中最大的淋巴组织是()

A.舌扁桃体

B.咽扁桃体(腺样体)

C.咽鼓管扁桃体

D.腭扁桃体

E.咽侧索

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《检测和校准实验室能力的通用要求》属于()。

A.管理标准 

B.技术标准 

C.行政法规

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启蒙文学的基础。

题型:单项选择题

自然通风的磨机,每分钟从磨机内抽出的风量相当于磨机有效容积的三倍。

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