试题与答案

当控制中心和车站同时控制相同的云台、镜头进行选择监视时,()具有最高控制权。A.环控

题型:单项选择题

题目:

当控制中心和车站同时控制相同的云台、镜头进行选择监视时,()具有最高控制权。

A.环控调度员

B.公安调度员

C.车站值班员

D.列车调度员

答案:

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下面是错误答案,用来干扰机器的。

参考答案:①煤层变潮湿、松软;煤帮出现滴水、淋水现象,且淋水可由小变大;有时煤帮出现铁锈色水迹;②工作面气温降低,或出现雾气及硫化氢气味;③在煤壁、岩层内听到“嘶嘶”、“吱吱”、“哗哗”、“闷雷”...

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题型:完形填空
It was Mother’s Day and I was shopping at the local supermarket with my five-year-old son, Tenyson. As we were          , we realized that only minutes earlier an          woman had fallen over at the entrance and hit her head on the ground.          was with her, but there was blood everywhere and the woman was embarrassed and clearly in shock.          a lot of people stopped to help out.
         we were walking towards the scene, Tenyson became very          about what had happened to the elderly couple. He          to me, “Mom, it’s not much fun falling over in front of         .” Seeing that there was a flower stall(摊位)at the front of the supermarket, he added, “Why shouldn’t we          the lady a flower? It will make her feel better.” I was          that he’d come up with this          idea. So we went over and told the flower seller          we wanted. “Just take it,” she replied. “I          take your money for such a wonderful         .”
By now medical staff had arrived, and were          the injured woman. We gave the flower to the woman’s husband and I told him it was          my son. At that, the old man started crying and said, “Thank you very much.” He then turned to me, “You have a          son. Happy Mother’s Day to you.”
The man bent down and gave his wife the flower, telling ger who it was from.          being badly hurt, the old lady looked up at Tenyson with          in her eyes and gave him a little          .
小题1:
A.leavingB.drivingC.movingD.stopping
小题2:
A.injuredB.awkwardC.honestD.elderly
小题3:
A.Her husbandB.My sonC.The crowdD.The seller
小题4:
A.SpecificallyB.ParticularlyC.InterestinglyD.Fortunately
小题5:
A.IfB.SinceC.WhileD.Unless
小题6:
A.guiltyB.curiousC.angryD.worried
小题7:
A.complainedB.saidC.liedD.responded
小题8:
A.no oneB.someoneC.everyoneD.anyone
小题9:
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小题11:
A.wiseB.sweetC.innocentD.crazy
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A.whichB.whenC.whatD.whether
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A.sceneB.habitC.flowerD.deed
小题15:
A.checking withB.looking afterC.operating onD.paying for
小题16:
A.fromB.toC.withD.about
小题17:
A.respectfulB.cheerfulC.successfulD.wonderful
小题18:
A.Out ofB.Regardless ofC.Thanks toD.As to
小题19:
A.loveB.hopeC.pityD.pain
小题20:
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题型:填空题

若图8-20中路由器R1采用静态NAT-PT映射配置,其中IPv4主机PC1静态映射到具有NAT-PT网络前缀的IPv6地址2011:2fc6:0:0:0:1::9,IPv6主机PC2映射到具有NAT-PT的地址10.3.2.202。
根据网络拓扑和需求说明,通过以下在路由器R1上的相关配置,PC1与PC2之间都可以彼此通信。完成(或解释)R1的相关配置。
R1 (config) # interface ethernet0
R1 (config-if) # (1) (设置IP地址信息)
R1 (config-if) #no shutdown (开启当前接口)
R1 (config-if) # (2) (在当前接口上启用NAT-PT机制)
R1 (config-if) # interface ethernet1
R1 (config-if) # (3) (设置IP地址信息)
R1 (config-if) # no shutdown (开肩当前接口)
…… (省略在当前接口上肩用NAT-PT机制)
R1 (config-if) # esit
R1 (config) # ipv6 nat prefix (4)
R1 (config) # ipv6 nat v6v4 source 2011:2fc6::2 10.3.2.202 (5)
R1 (config) # ipv6 nat (6) source (7) (8)
R1 (config) #

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