【单选题】
They have never heard any ___.
A. a customer complaint
B. the customer's complaints
C. customer's complaint
D. the customers' complaints
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相关试题
【单选题】
He is not a child ___.
A. no more
B. no longer
C. any much
D. any more
【单选题】
The retired man is used to ___ his two dogs early in the morning.
A. exercise
B. exercising
C. exercised
D. exercises
【单选题】
It was not ___ midnight that they discovered the children were not in their bedroom.
A. before
B. at
C. after
D. until
【单选题】
Young ___ he is, he knows how to get along with others.
A. like
B. as
C. although
D. however
【单选题】
Could you show me where the___ shoes are?
A. Women
B. womens
C. woman
D. women's
【单选题】
He succeeded ___ out a lot of things entirely new in the world.
A. in working
B. to work
C. working
D. at working
【单选题】
It took me a long time to ___ the disappointment of failing the exam.
A. get over
B. get up
C. get into
D. get down
【单选题】
She ___ 100 pages of the book today.
A. has already read
B. already reads
C. already read
D. was already read
【单选题】
He has been ___ for nearly three weeks after the death of his dear pet.
A. sad
B. satisfied
C. evil
D. joyful
【单选题】
One cannot learn a foreign language well ___he studies hard.
A. unless
B. if
C. as
D. when
【单选题】
A large number of people___ present at the meeting, which was out of our expectation.
A. was
B. were
C. have
D. has
【单选题】
When the girls saw the funny man, they couldn't ___ laughing.
A. keep from
B. keep on
C. keep away
D. keep at
【单选题】
We are glad that we finally managed to get into contact ___ them.
A. at
B. on
C. from
D. with
【单选题】
This kind of plant___a lot of water at all times.
A. assumes
B. limits
C. produces
D. requires
【单选题】
Look! Here ___ the famous player.
A. comes
B. come
C. had come
D. coming
【单选题】
Uncle Sam sent him a___ bicycle as a birthday present.
A. red sports new
B. sports new red
C. new sports red
D. new red sports
【单选题】
I couldn't find my English-Chinese dictionary___.
A. anywhere
B. everywhere
C. nowhere
D. somewhere
【单选题】
The plane was about to___, and yet I left my ticket behind.
A. take off
B. take on
C. take up
D. take in
【单选题】
John succeeded ___ what he wanted.
A. to get
B. to getting
C. in getting
D. and getting
【单选题】
The accident was ___ to careless driving.
A. for
B. likely
C. due
D. because
【单选题】
With a good command of reading skills, most students can manage to read ___as they could the year before.
A. as twice fast
B. as fast as twice
C. as twice as fast
D. twice as fast
【单选题】
Some famous singers live on the ___from their record sales.
A. salary
B. price
C. bill
D. income
【单选题】
_____of them thinks that is a good idea.
A. Anyone
B. No one
C. None
D. Someone
【单选题】
Don't be too ___about things you're not supposed to know.
A. strange
B. amusing
C. curious
D. conscious
【单选题】
It was in 1969 ___the American astronauts succeeded in landing on the moon.
A. when
B. the moment
C. which
D. that
【单选题】
___people in the world are sending information by e-mail every day.
A. Several million
B. Many millions
C. Several millions
D. Many million
【单选题】
He___less time reading stories about film stars than before.
A. takes
B. spends
C. costs
D. pays
【单选题】
Selecting a mobile phone for personal use is no easy task because technology___so rapidly.
A. is changing
B. has been changed
C. will have changed
D. will change
【单选题】
The taxi driver always reminds passengers to ___their belongings when they leave the car.
A. keep
B. catch
C. hold
D. take
【单选题】
Little Tom is used to getting up ___eight every morning.
【单选题】
If the doctor had been available, the child _______.
A. would not die
B. could not have died
C. might not die
D. should not have died
【单选题】
If Mary___shopping this afternoon, please ask her to write a shopping list first.
A. will go
B. goes
C. went
D. has gone
【单选题】
These desks and chairs ___to the children in the mountain villages next week.
A. are sent
B. will send
C. have sent
D. will be sent
【单选题】
Every society has its own peculiar customs and ___of acting.
A. attitudes
B. behavior
C. ways
D. means
【单选题】
China is ___the Great Wall.
A. on
B. famous
C. famous for
D. famous as
【单选题】
The dog was tearing the cloth___its teeth.
A. with
B. by
C. through
D. in
【单选题】
A man should not be judged always ___what he says.
A. by
B. in
C. with
D. to
【单选题】
We will have a ___holiday after the exam.
A. two month
B. two-month
C. two month's
D. two-months
【单选题】
Mr Wang is going to teach you maths ___one year.
A. with
B. on
C. for
D. to
【单选题】
The population of the earth ___increasing fast.
A. is
B. are
C. were
D. have been
推荐试题
【单选题】
THDS-B双光子设备进行月检维修保养作业时，校准探头角度：校准架杆中心距___中心水平距离50轨450mm，60轨470mm。
A. 1#磁钢
B. 2#磁钢
C. 3#磁钢
D. 2#3#磁钢
【单选题】
THDS-B双光子设备进行月检维修保养作业时，校准探头角度：万用表量程调至___档。
A. 交流20mV
B. 直流20mV
C. 交流20V
D. 直流20V
【单选题】
THDS-B双光子设备进行月检维修保养作业时，校准探头角度：热源（烟头或电烙铁）置于探头角度校正架表面，并在标示中心点___20MM的范围内移动,
A. 上下左右
B. 上下
C. 左右
D. 前后左右
【单选题】
THDS-B双光子设备进行月检维修保养作业时，校准探头角度：热源（烟头或电烙铁）置于探头角度校正架表面，并在标示中心点移动时万用表直流电压值在___范围内变化，
A. 1mV－12mV
B. 1V－12V
C. 1mV－10V
D. 1V－10V
【单选题】
THDS-B双光子设备进行月检维修保养作业时，探头定标设温为：环温加___。
A. 15、40℃、55、70℃
B. 35、40℃、55、70℃
C. 25、40℃、55、70℃
D. 25、45℃、65、85℃
【单选题】
THDS-B双光子设备进行月检维修保养作业时，探头定标设温，在环温低于-5℃时，再___。
A. 减5℃
B. 减10℃
C. 加5℃
D. 加10℃
【单选题】
THDS-B双光子探测站探头箱采用的箱温传感器的型号是___。
A. PT100
B. PT200
C. PT1000
D. AD590
【单选题】
THDS-B双光子探测站对3#与4#磁钢中心距描述不正确的是___
A. 401mm
B. 400mm
C. 270mm
D. 399mm
【单选题】
THDS-B双光子探测站室内设备主机柜中包括电源箱.工控机.___.无线发射机.车号智能跟踪装置.远程监控箱等。
A. 控制箱
B. 二路转换箱
C. 射频天线
D. 探头箱
【单选题】
THDS-B双光子设备进行月检维修保养作业时，探头定标：将黑体支架置于钢轨上，60轨距3号磁钢中心___mm；
A. 270mm
B. 370mm
C. 470mm
D. 570mm
【单选题】
THDS-B双光子探测站实时数据中环温为-50度，不需要检查___。
A. 环温电缆
B. 环温头
C. 探头电缆
D. 前放板
【单选题】
THDS-B双光子探测站中箱温传感器故障时，会造成测出的温度___。
A. 偏高
B. 偏低
C. 无明显变化
D. 以上都有可能
【单选题】
THDS-B双光子设备进行月检维修保养作业时，内探、外探定标,温升40℃，误差绝对值___℃
A. ≤2
B. ≤-2
C. ≤3
D. ≤-3
【单选题】
THDS-B双光子设备进行月检维修保养作业时，简配天线读取距离：用场强仪在天线上方1 m处 前后测量，每侧读取范围___m。
A. ≥1.2
B. ≤1.2
C. =1.2
D. >1.2
【单选题】
THDS-B双光子设备进行月检维修保养作业时，环箱温测量:用万用表直流电压档测量环箱温“调理出”电压，计算的结果与酒精温度计测量的结果比较误差绝对值___℃。
【单选题】
THDS-B双光子探测站环温传感器的型号是___。
A. PT100
B. PT200
C. PT1000
D. AD590
【单选题】
THDS-B双光子设备进行月检维修保养作业时，控制箱各电压的测量：制冷控制板：左置电压___。
A. 0.5v-5v
B. 1.5v-5v
C. 2.5v-5v
D. 3.5v-5v
【单选题】
THDS-B双光子设备进行月检维修保养作业时，探流电压测试: 测量的电压值应为___.
A. 1mV～2mV
B. 1mV～12mV
C. 1V～2V
D. 1V～12V
【单选题】
THDS-B双光子探测站环温箱通过连接线连接到室内控制箱的___和环温入端子上。
A. 12V
B. 18V
C. 5V
D. 7V
【单选题】
THDS-B双光子设备进行月检维修保养作业时无线发射机性能检查：如果对讲机一直发出清晰声音，表明没有___数据。
【单选题】
THDS-B双光子设备进行月检维修保养作业时，两路输入电压测试：应在___之间，若超过范围，立即联系电力部门调整。
A. 110V～230V
B. 176V～253V
C. 110V～230V
D. 115V～225V
【单选题】
THDS-B双光子设备进行月检维修保养作业时，观察电涌计数器计数：电涌计数器出厂默认___。
【单选题】
THDS-B双光子进行月检维修保养作业时，直观检查防雷箱表面应清洁、各线缆无破损、连接牢固。不清洁用抹布或___除尘。
A. 除锈剂
B. 清洁剂
C. 毛刷
D. 吹风器
【单选题】
THDS-B双光子设备进行月检维修保养作业时，参稳损坏无法修复时,应暂时将参稳断开，电源直接进入___待日后处理。
A. 配电箱
B. 电源箱
C. UPS
D. 参稳
【单选题】
THDS-B双光子设备进行月检维修保养作业时，参数稳压电源:用万用表测量电源输出电压应在___之间。
A. 215V～225V
B. 215V～230V
C. 215V～225V
D. 210V～230V
【单选题】
THDS-B双光子设备进行月检维修保养作业时，每___要对ups进行一次彻底的放电。
【单选题】
THDS-B双光子设备进行月检维修保养作业时，地线连接：手动检查机柜、机壳、等电位连接箱接地端子应紧固，若松动___。
A. 立即记录
B. 立即处理
C. 通知车间
D. 通知红调
【单选题】
THDS-B双光子设备进行月检维修保养作业时，检查消防器材：直观检查灭火器外观，灭火器压力表指针应指在___色区域。
【单选题】
THDS-B双光子设备进行月检维修保养作业时，检查通道有无破损，通道破损、作用不良应通知___，并做好防范措施，门锁损坏，应更换。
A. 驻站联络员
B. 现场防护员
C. 车间值班室
D. 工长
【单选题】
THDS-B双光子设备进行月检维修保养作业时，认真填写检修记录。填写完毕后，在检修记录___后面填写姓名。
A. “检修人”
B. “防护人”
C. 最前面
D. 最后面
【单选题】
THDS-B双光子设备进行月检维修保养作业后，___许可后，方可返回。
A. 驻站联络员
B. 红调或车间值班人员
C. 现场防护员
D. 保机人
【单选题】
THDS-B双光子设备进行月检维修保养作业后，作业人员一同按规定路线返回。若乘坐火车，应列队进入车站，并在___等候列车。
A. 站台
B. 车站值班室
C. 候车室
D. 机房
【判断题】
红外线维修工，必须经铁路局组织的技术培训且培训考试合格，持有《铁路岗位培训合格证书》方可进行本岗位工作
【判断题】
对THDS-B双光子设备进行月检维修保养, 分机械部分和电气部分部分
【判断题】
THDS-B双光子设备进行月检维修保养时，机械部分主要检查磁钢及支架、引线、探头箱体、探头、保护门联动机构、环温箱、简配车号天线等部件
【判断题】
THDS-B双光子设备进行月检维修保养时，对发生异常的情况现场及时上报
【判断题】
THDS-B双光子设备月检对探头进行定标，保证测温精度在2度以外
【判断题】
对THDS-B双光子设备进行月检维修保养时，测试设备各项参数，对达标部分及时调整
【判断题】
对THDS-B双光子设备进行月检维修保养时，若乘坐汽车，到达探测站后，由防护人员拆开检修通道，依次进入探测站
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THDS-B双光子设备进行月检维修保养作业准备时，室内作业可不按规定着防护服、佩带臂章
