【单选题】
下列不属于OBCU_ATP定位设备的是___。
A. OP
B. ATO
C. 应答器天线
D. 雷达
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
B
解析
暂无解析
相关试题
【单选题】
一辆正在驶入正线的车辆段列车，___则列车会自动从时刻表受到正确的新列车号。
A. 使用ARS功能
B. 打开追踪功能
C. 打开自排功能
D. 使用联锁手动排列从车辆段到正线的进路
【单选题】
下列关于排列进路的描述，错误的是___ 。
A. 需要选中两架信号机，才能执行排列进路操作
B. 若需要，进路排列时会自动转换道岔
C. 进路排列成功后，终端信号机将开放，绿色显示
D. 若进路存在 多条保护区 段，必须在下拉框中选择， 进路排列命 令才能执行
【单选题】
级别和模式之间的相互依存关系下列说法错误___。
A. 在CTC级别下只能用AM模式运行
B. 在IXLC级别下只能用RM模式运行
C. 在ITC级别下可以用RM和SM模式运行
D. 在CTC级别下可以用SM和AM模式运行
【单选题】
单轨系统监控架在显示机械室集中控制范围的所有环线的列车___状态、（ ）显示、（ ）方向、（ ）的同时，还进行信号保安设备的（ ）。
A. 信号显示、列车行进方向、故障表示、占用状态、进路
B. 故障表示、占用状态、进路、列车行进方向、信号显示
C. 占用状态、信号显示、列车行进方向、进路、故障表示
D. 占用状态、进路、列车行进方向、信号显示、故障表示
【单选题】
为防止相互干扰，信号机、电动转辙机以及轨道电路送、受电端用电缆原则上不应共用同一根电缆中的芯线，应考虑___。
A. 分缆设置
B. 捆绑设置
C. 分开设置
D. 独立设置
【单选题】
ZDJ9 转辙机的推板套水平直线运动，推动安装在___上的锁块，在锁闭铁的辅助下使动作杆水平运动，完成道岔的锁闭功能。
A. 锁闭杆
B. 动作杆
C. 锁闭铁
D. 推板套
【单选题】
联锁机与监控机之间是采用___卡与（ ）卡通信。
A. STD—01，STD—01
B. STD—01，RS422
C. STD—01，PC—01
D. RS422， PC—01
推荐试题
【单选题】
He ___ driving me home, even though I told him I lived nearby.
A. insisted on
B. insisted at
C. insisted that
D. insisted in
【单选题】
We came finally ___the conclusion that she has been telling lies all the time.
A. of
B. into
C. to
D. at
【单选题】
I didn’t know what to do, but then an idea suddenly ___to me.
A. appeared
B. happened
C. occurred
D. emerged
【单选题】
The boy is not happy at the new school. He has ___ friends there.
A. few
B. a few
C. little
D. a little
【单选题】
I fell and hurt myself while I ___ basketball yesterday.
A. was playing
B. am playing
C. play
D. played
【单选题】
Don't forget ____ the window before leaving the room.
A. to have closed
B. to close
C. having closed
D. closing
【单选题】
Twenty people were___ wounded in the air crash.
A. quickly
B. wrongly
C. bitterly
D. seriously
【单选题】
The top of the Great Wall is ___ for five horses to go side by side.
A. wide
B. so wide
C. wide enough
D. enough wide
【单选题】
We’ve missed the last bus. I'm afraid we have no ___but to take a taxi.
A. way
B. choice
C. possibility
D. selection
【单选题】
Nancy is considered to be ____ the other students in her class.
A. less intelligent
B. the most intelligent
C. intelligent as well
D. as intelligent as
【单选题】
_____ you are leaving tomorrow, we can have dinner together tonight.
A. Since
B. While
C. For
D. Before
【单选题】
I would like to do the job ___ you don't force me to study.
A. in case
B. although
C. though
D. as long as
【单选题】
The reason I did not go abroad was ___ a job in my home town.
A. because
B. due to
C. that I got
D. because of getting
【单选题】
I often see ____ the road on his way home.
A. he cross
B. him cross
C. him crossed
D. he crossing
【单选题】
His mother _______ alone since his father died.
A. lived
B. lives
C. has lived
D. is living
【单选题】
The workers are busy _____ models for the exhibition.
A. to make
B. with making
C. being making
D. making
【单选题】
It was well known that Thomas Edison _______ the electric lamp.
A. discovered
B. invented
C. found
D. developed
【单选题】
She wonders ____ will happen to her private life in the future.
A. that
B. it
C. this
D. what
【单选题】
The higher the temperature, _____ the liquid evaporates.
A. the faster
B. the more fast
C. the slower
D. the more slower
【单选题】
Australia is one of the few countries ______ people drive on the left of the road.
A. which
B. that
C. where
D. on which
【单选题】
Sunday is the day ____ people usually don't go to work.
A. when
B. which
C. in which
D. that
【单选题】
They got there an hour _____ than the others.
A. early
B. much early
C. more early
D. earlier
【单选题】
The grey building is the place where the workers live, and the white building is the place where the spare parts ____ .
A. are producing
B. are produced
C. produced
D. being produced
【单选题】
Once environmental damage ______, it takes many years for the system to recover.
A. is to do
B. does
C. had done
D. is done
【单选题】
We worked hard and completed the task ___.
A. in the time
B. on the time
C. ahead of time
D. before time
