【单选题】
Then the speaker __________ the various factors leading to the present economic crisis.___
A. went for
B. went after
C. went into
D. went on
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相关试题
【单选题】
I know Jonathan quite well and never doubt_____ he can do a good job of it___.
A. whether
B. that
C. when
D. what
【单选题】
I'm afraid it ______ tomorrow, but who knows?___
A. may have rained
B. might rain
C. would rain
D. ought to rain
【单选题】
He has spent ____money on his new house.___
A. a large number of
B. the number of
C. lots of
D. numbers of
【单选题】
This is the hotel __________ I like to stay.___
A. in which
B. at which
C. to which
D. at that
【单选题】
Would you mind keeping a（n）__________on the house for us while we are away？___
A. eye
B. /look
C. hand
D. view
【单选题】
He suggested the sports meet be _______because of the bad weather. ___
A. put away
B. put up
C. put down
D. put off
【单选题】
If the weather is __________ suitable, we will play the football match on Tuesday. ___
A. by means of
B. by any means
C. by no means
D. by all means
【单选题】
_____________is one of the five working languages at U.N. , which _______ are very proud of.___
A. The Chinese, the Chinese
B. Chinese language, Chinese
C. Chinese, the Chinese
D. Chinese language, the Chinese
【单选题】
The war lasted so long that people were tired of it. Everyday there was large crowds of demonstrators _____against the war.___
A. protecting
B. prescribing
C. protesting
D. prosecuting
【单选题】
Tom is so talkative. I’m sure you'll soon get tired ________ him.___
A. of
B. with
C. at
D. on
【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 am not used to speaking ________ public.___
【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】
Measles （麻疹） ________ a long time to get over.___
A. spend
B. spends
C. take
D. takes
【单选题】
A pair of spectacles ________ what I need at the moment.___
A. is
B. are
C. has
D. have
【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】
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】
She is not only my classmate __________ also my good friend.___
A. or
B. but
C. and
D. too
【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】
__________ she survived the accident is miracle.___
A. What
B. That
C. As
D. Which
【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】
The workers are busy __________ models for the exhibition.___
A. to make
B. with making
C. being making
D. making
【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】
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
【单选题】
I didn't expect you to turn __________ at the meeting yesterday.___
A. up
B. to
C. out
D. over
【单选题】
Mike is better than Peter _________ swimming.___
【单选题】
Eggs, though rich in nourishments, have ___________ of fat.___
A. a large number
B. the large number
C. a large amount
D. the large amount
【单选题】
His salary as a driver is much higher than _____________.___
A. a porter
B. is a porter
C. as a porter
D. that of a porter
【单选题】
I have been looking forward to__________ from my parents.___
A. hear
B. being heard
C. be heard
D. hearing
【单选题】
The manager will not __________ us to use his car.___
A. have
B. let
C. agree
D. allow
【单选题】
__________ her and then try to copy what she does.___
A. Mind
B. See
C. Stare at
D. Watch
【单选题】
It's bad __________ for you to smoke in the public places where smoking is not allowed.___
A. behavior
B. action
C. manner
D. movement
【单选题】
— I think John and Peter will.___
A. carry out
B. get through
C. take in
D. set aside
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DK-1型制动机紧急放风阀的作用是：在紧急制动作用时使列车管压力迅速排出，同时通过本身电器动作接通电路，是相应继电器动作来（ ）。(1.0分)
A. 切断列车管供风风源
B. 产生增压作用
C. 使ZDF放风阀迅速排风
D. 局部减压
【单选题】
CCB-II型制动机当总风缸压力低于（ ）时，IPM接收到MREP压力开关信号，使机车实施制动，不允许机车加载牵引。(1.0分)
A. 250kPa
B. 350kPa
C. 450kPa
D. 550kPa
【单选题】
制动软管须在（ ）内进行风压试验。(1.0分)
【单选题】
GK型三通阀减速部是根据制动管不同的（ ），实现制动机产生不同的制动和缓解作用。(1.0分)
A. 增压速度
B. 充气速度
C. 减压速度
D. 保压时间
【单选题】
三通阀的主活塞蝴蝶弹簧的压力大小是三通阀（ ）决定性因素。(1.0分)
A. 摩擦力
B. 空气压力
C. 制动力
D. 灵敏度
【单选题】
为防止密封式制动缸在缓解时因前部真空而导致不缓解，所以前盖设有（ ）。(1.0分)
A. 漏风沟
B. 缓解簧
C. 呼吸口
D. 封堵
【单选题】
103型阀有掌控着制动主管向（ ）充风的决定性作用。(1.0分)
A. 制动缸
B. 工作风缸
C. 副风缸
D. 降压风缸
【单选题】
旋压密封式制动缸缸体内径磨耗大于（ ）时更换。(1.0分)
A. 1mm
B. 2mm
C. 3mm
D. 4mm
【单选题】
GK型三通阀在701型试验台紧急制动试验中，制动缸压力不得小于( )。(1.0分)
A. 450 kPa
B. 380 kPa
C. 270 kPa
D. 140 kPa
【单选题】
制动缸活塞组成由活塞、（ ）、活塞杆、缓解弹簧等构成。(1.0分)
A. 密封圈
B. 皮碗
C. 活塞推杆
D. 橡胶垫
【单选题】
103型分配阀紧急活塞杆稳定限制孔为( )。(1.0分)
A. Ф1.0 mm
B. Ф1.2 mm
C. Ф1.6 mm
D. Ф2.0 mm
【单选题】
经长时间运用制动缸内壁的（ ）容易被油污堵塞，所以定检时要清洗。(1.0分)
A. 漏风沟
B. 排气堵
C. 活塞筒
D. 活塞
【单选题】
103阀的主阀检修后须在( )上进行试验合格后，方可装车使用。(1.0分)
A. 微控试验台
B. 微控705试验台
C. 701试验台
D. 微控701试验台
【单选题】
103型分配阀橡胶密封件自制造完成之日起至组装使用前的贮存期不超过( )。(1.0分)
A. 1个月
B. 3个月
C. 6个月
D. 1年
【单选题】
120型控制阀滑阀加速缓解风缸充气限制孔为( )。(1.0分)
A. Φ0.9 mm
B. Φ1.5 mm
C. Φ1.8 mm
D. Φ1.9 mm
【单选题】
120-1型控制阀橡胶密封件自制造完成之日起至组装使用前的贮存期不超过( )。(1.0分)
A. 1个月
B. 3个月
C. 6个月
D. 1年
【单选题】
ST1-600型闸瓦间隙调整器的螺杆一次最大缩短量为( )。 (1.0分)
A. 30 mm
B. 35 mm
C. 130 mm
D. 135 mm
【单选题】
打印机主要通过（ ）和USB接口与主机连接。 (1.0分)
A. COMl
B. COM2
C. LPT
D. PS／2
【单选题】
局减阀弹簧自由高为（ ）。(1.0分)
A. 52.5-48.5
B. 50.5-46.5
C. 42.5-38.5
D. 26-24.5
【单选题】
F8型分配阀紧急制动时，辅助室压缩空气经（ ）处排气限制堵排入大气。(1.0分)
【单选题】
缓解感度试验时，单车试验器手把应置于（ ）位。
【单选题】
104型制动机中间体中紧急室的容积为（ ）L。(1.0分)
A. 0.6
B. 1.5
C. 2
D. 3.8
【单选题】
下列型号单元制动缸用于盘型制动的是（ ）。(1.0分)
A. SP4
B. SP12
C. SP13
D. SP14
【单选题】
（ ）是微机系统中一个重要的输入设备，也是人机交互的一个主要媒介。(1.0分)
【单选题】
一般立式钻床主轴锥孔为( )莫氏锥度。(1.0分)
A. 1号或2号
B. 2号或3号
C. 3号或4号
D. 4号或5号
【单选题】
、GK型三通阀紧急活塞与塞铜套内径之差超过( )时旋修或换套。(1.0分)
A. 0.01 mm
B. 0.03 mm
C. 0.1 mm
D. 0.04 mm
【单选题】
铁路基本建设项目中的环境保护、水土保持、劳动安全、劳动卫生及消防等设施，必须和主体工程( )。
A. 同时设计、同时施工、同时投产
B. 同时设计、同时施工、同时报废
C. 同时设计、同时投产、同时报废
D. 同时施工、同时投产、同时报废
【单选题】
车辆应有识别的标记，包括车型、车号、路徽、制造厂名及日期、定期修理的日期及处所、自重、载重、容积、换长等，货车应有车号自动识别标签；客车及固定配属的货车上应有所属局段的简称；客车
还应有最高运行速度标记、定员、( )；电化区段运行的客车、机械冷藏车等应有“电化区段严禁攀登”的标识。(1.0分)
【单选题】
120-1型控制254 mm制动管充气限制缩堵孔为( )。(1.0分)
A. Ф1.2 mm
B. Ф1.5 mm
C. Ф1.8 mm
D. Ф1.9 mm
【单选题】
104分配阀常用制动减压量为（ ）kPa。(1.0分)
A. 40
B. 50
C. 100
D. 170
【单选题】
传动精度高、工作平稳、无噪声、易于自锁、能传递较大的扭矩，这是( )的特点。
A. 螺旋传动机构
B. 蜗轮蜗杆传动机构
C. 齿轮传动机构
D. 带传动机构
【单选题】
工作完毕后，所用过的工具要（ ）。
A. 检修
B. 堆放
C. 清理、除油
D. 交接
【单选题】
微机的存储器分为内存储器、（ ）缓冲存储器和外存储器。(1.0分)
【单选题】
键的磨损一般采取( )的修理办法(1.0分)
A. 挫配键
B. 更换键
C. 压入法
D. 试配法
【单选题】
第10版《铁路技术管理规程》于( )开始实施。(1.0分)
A. 2006年10月1日
B. 2007年1月1日
C. 2007年4月1日
D. 2006年10月25日
【单选题】
装用闸调器的254×254制动缸的活塞行程为（ ）。
A. 155 ± 10mm
B. 150 ± 10mm
C. 135 ± 5mm
D. 130 ± 10mm
【单选题】
文明礼貌的基本要求包括( )。(1.0分)
A. 着装时髦
B. 举止随便
C. 语言规范
D. 谈吐不凡
【单选题】
钻孔精度要求较高，表面粗糙度值要求很小时，应选用主要起( )作用的切削液。(1.0分)
【单选题】
滚动轴承装配时，如过盈量较大，可采用( )装配。
A. 套筒压入
B. 铜棒对称敲打
C. 压入机械
D. 温差法
