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【单选题】
不属于上肢协调功能训练方法的是( )
A.
双上肢交替上举
B.
双手击掌
C.
拍地练习
D.
双侧交替屈肘
E.
左右前臂交替旋前旋后
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参考答案:
举一反三
简述胀轨跑道发生发展的三个阶段。
简述发生红光带后的检查方法。
简述矫直钢轨后的作业质量标准?
手持电动工具电器检查主要包括哪些项目?
简述全站仪测量距离的工作原理。
简述全站仪各个构成系统的作用。
道岔各零件出现哪些伤损或病害应有计划进行修理或更换?
加强各部分零件的养护维修,充分发挥各种扣件固定钢轨位置的作用。45.造成道岔方向不良的原因有哪些?
调整连接杆长度,改变尖轨耳铁的孔位或加入绝缘垫板,误差较大时,可更换耳铁或方钢;9.焊补或更换磨损挠曲不平的滑床台、轨撑、滑床板挡肩,或用螺旋道钉将轨撑、滑床板与枕木联结成一整体并用水平螺栓使轨撑与基本轨牢固地联结在一起,消灭“三道缝”。48.尖轨跳动产生的原因有哪些?
预防整治导曲线钢轨偏面磨耗的措施?
简述预防整治导曲线轨距扩大的措施。
简述导曲线钢轨偏面磨耗产生的原因。
简述线路大、中修中轨枕验收的质量标准。
简述整治接头支嘴的方法。
设置拨道桩,按桩拨道。
简述车间班组管理主要有哪些内容。
一根长1500m的60㎏/m钢轨,铺设时的锁定轨温为28℃,当轨温上升到40℃时,该长轨内部承受什么力?该力有多大?如果该长轨处于自由伸缩状态,轨温从28℃上升到40℃,长轨条伸长量为多少?(60㎏/m钢轨断面积F=77.45cm2,钢轨轨的线膨胀系数A=0.0118㎜/m?℃,E•A≈250N/cm2•℃)解:钢轨内部承受温度压力,该压力为:P压=250×F×⊿t=250×77.45×(40-2...
某地更换25m长普通线路钢轨,当地最高轨温62.8℃,最低轨温-22.4℃,作业轨温28.2℃,请计算预留轨缝。解:已知ag=18mm;Tmax= 62.8℃;Tmin=-22.4℃;t0=28.2℃;α=0.0118mm/(m.℃);L=25m。⑴求中间轨温根据公式,则tz=[62.8+(-22.4)]/2=20.2(℃)⑵求预留轨缝根据公式,则a0=0.0118×25×(20.2-28.2)+...
某长轨长1000m,原锁定轨温20℃,现根据需要将轨温提高至35℃,若不考虑缓冲区轨缝和爬行情况,求该长轨应力放散的锯轨量应为多少。解:锯轨量:ΔI=0.0118×(t预锁-t原锁)×L=0.0118×1000×(35-20)=177㎜
无缝线路的养护维修工作重点是什么?
按《普速铁路工务安全规则》规定简述胀轨跑道的防治和处理?
外股钢轨长度=L+l/2=30+0.15/2=30.075(m)
某曲线半径为500m,缓和曲线长50m,且曲线始终点都在测点上,求缓和曲线始终点及中间各测点正矢。解:圆曲线正矢fc=50000/R=50000/500=100㎜缓和曲线分段数n=L0/10=50/10=5缓和曲线正矢递增率fN=fc/n=100/5=20㎜缓和曲线始点正矢f0=1/6•fN=1/6×20≈3㎜测点1至4的正矢f1=fN=20㎜f2=2fN=2×20=40㎜f3=3fN=3×20=...
求曲线长圆曲线长=(实测正矢合计/圆曲线平均正矢)×10=2013×10/156.25=128.8m
工务段配合大型养路机械作业有哪些要求?
When held a hurried consulation on the stairs outside his room.
A.
negotiation
B.
restriction
C.
navigation
D.
inscription
There are some interesting parallels between the education systems of these two countries.
A.
biases
B.
problems
C.
studies
D.
similarities
The government is determined to bring down the price-rising to below 5%.
A.
infinity
B.
inflection
C.
inflation
D.
inflammation
An oil heater was knocked over and burst instantly into flames.
A.
fire
B.
heat
C.
blaze
D.
light
The real importance of this new law is the protection it gives to female workers.
A.
mutitude
B.
magnitude
C.
altitude
D.
aptitude
He refused to make a statement until he had spoken to his attorney.
A.
doctor
B.
psychologist
C.
lawyer
D.
specialist
His interest gave me an incentive and I worked twice as hard.
A.
finances
B.
an inclination
C.
a tendency
D.
motivation
I expressed my indignation at being unfairly dismissed.
A.
behavior
B.
patience
C.
anger
D.
motivation
This rare bird has become an endangered species.
A.
herd
B.
variety
C.
name
D.
description
It took some ingenuity to squeeze all the furniture into the little room.
A.
cleverness
B.
truthfulness
C.
sincerity
D.
thoughtfulness
A minister's actions come under continuous scrutiny in the press.
A.
attention
B.
glimpse
C.
weight
D.
examination
The busy road is a menace to the children's safety.
A.
disaster
B.
ultimatum
C.
threat
D.
problem
In the excitement of the rehearsal, the director forgot to give the actors a break for coffee.
A.
practice
B.
presentation
C.
performance
D.
play
The strike has caused widesread disruption of transport services.
A.
dismay
B.
dispute
C.
interruption
D.
accident
The preliminary estimate of gains in gross national product indicated that recovery from recession was faster than anticipated.
A.
retraint
B.
regression
C.
restoration
D.
reversion
All these expensive new refinemnts are a waste of money; we must get back to first principles.
A.
relativities
B.
regularities
C.
laws
D.
regulations
We have worked hard to achieve parity with our commercial competitors.
A.
unity
B.
equality
C.
tournament
D.
privilege
Charlotte Bronte wrote unfer the pseudonym of Currer Bell.
A.
pen name
B.
maternal name
C.
brand name
D.
given name
Heavy traffic on the Mississippi River brought affluence to Keokuk, Iowa, until the mid-ninteenth century, when the arrival of the railroads diverted river shipping.
A.
commerce
B.
development
C.
tourism
D.
wealth
His speech meandered on for half an hour, but the substance of what he had said was that too many people had too little money.
A.
material
B.
surpose
C.
essence
D.
content
The block of office buildings was built of concrete on a steel framework.
A.
subject
B.
structure
C.
slogan
D.
slot
Juveniles who run away frequently seek out large metropolitan areas with the hope of gaining anonymity and being able to "hustle a living" more easily.
A.
theorists
B.
economists
C.
dwarfs
D.
teenagers
The Navajo people of Arizona and New Mexico build their hogans, cone-shape dwellings made of logs and earth, during the summer.
A.
stacks
B.
stalls
C.
residences
D.
stadiums
Imagination and hard work are the ingredients of success.
A.
gems
B.
stationeries
C.
chemicals
D.
components
Most palm trees have slender unbranching trunks with a bunch of leaves at the top.
A.
cluster
B.
pack
C.
herd
D.
flock
Wacthing the interview, one could see that he had not lost his capacity for evasion.
A.
effort
B.
intellct
C.
ability
D.
indication
The American dancer Loie Fuller used incense to create special effects during her performances.
A.
morality
B.
scent
C.
moan
D.
narration
Panic spread quickly on the Stock Exchange, and million of pounds were knocked off the value of shares.
A.
Despair
B.
Dismay
C.
Disgust
D.
Alarm
There is now open hostility between the two leaders.
A.
happiness
B.
bitterness
C.
gratitude
D.
excitement
Alexander Hamilton was accused if being involved in a scheme to eatablish a separate nation in the western part of the United States.
A.
plot
B.
order
C.
notion
D.
decision
There was a serious drought over this vast land and the failure of crops caused great famine.
A.
catastrophe
B.
conflagration
C.
drought
D.
starvation
The feat of the Japanese explore who traveled to the North Pole alone was described in the newspaper.
A.
livelihood
B.
notoriety
C.
achievement
D.
medal
A full pot of hot meat liquor greatly pleased the whole family.
A.
fluid
B.
bones
C.
jelly
D.
pieces
Since the Second World War, most urban growth in the United Stated has occurred on the outskirts of existing metropolitan areas.
A.
streets
B.
intersections
C.
edges
D.
counties
A great deal of discord has arisen in the family over small trifles.
A.
anxiety
B.
disillusion
C.
compromise
D.
disharmony
His autobiography gave me an insight into the way government actually worked.
A.
a publicity of
B.
an understanding of
C.
an access to
D.
a credibility
The minister can only act in this matter with the sanction of Parliament.
A.
coercion
B.
approval
C.
insistence
D.
opinion
If this washing machine has a flaw, it's the way it's noisy when spinning.
A.
receptacle
B.
stake
C.
rarity
D.
defect
Many of them were lawyers employed by those campanies to find loopholes in environmental protection laws.
A.
ways of evading rules
B.
descriptions for cheating
C.
unprofitable sections
D.
illogical contradictions
Hot beverages include team coffee and hot chocolate.
A.
jellies
B.
cakes
C.
drinks
D.
medicines
Nuclear fusion works by the combining of atomic nuclei, which releases huge amounts of energy.
A.
union
B.
juncture
C.
junction
D.
joint
Homeless young people are easy prey for drug-dealers and pimps.
A.
shelter
B.
victim
C.
prize
D.
target
Since my heart attack, I've eaten more fish and fowl and less red meat.
A.
shellfish
B.
squirrels
C.
poultry
D.
turtles
Ploughs and other agricultural implements were on the display at the exhibition.
A.
equations
B.
playthings
C.
machinery
D.
tools
People over the age of 85 make up the fastest-growing segment of the elderly.
A.
section
B.
complication
C.
completion
D.
sanction
With so many areas of woodland being cut down, a lot of wildelife is losing its habitat.
A.
allies
B.
instincts
C.
ivory
D.
environment
The young have aspirations that never come to pass while the old have reminiscences of what never happened.
A.
imagination
B.
ambitions
C.
patronage
D.
opportunities
We'd been working on the same project for months and there is a feeling of wearness about the team.
A.
stress
B.
discomfort
C.
fatigue
D.
rigidity
We'd dicided to pay for the car on the installment plan, although we have enough money to pay for it at once.
A.
credit card
B.
piece by piece
C.
monthly payment
D.
prompt cash
Before the council starts building the new development, they will have to hold a public inquiry.
A.
investigation
B.
insquisitiveness
C.
recording
D.
gossip
We owe it to our decendants to leave them a clean world to live in.
A.
kids
B.
forefathers
C.
larvae
D.
offspring
The report has discribed the houses as unfit for human habitation.
A.
location
B.
residence
C.
house
D.
address
What did you think of the BBC's election coverage?
A.
constraint
B.
reportage
C.
usage
D.
camouflage
According to an eyewiteness, it was the car-driver's fault.
A.
spectrum
B.
speciment
C.
spectator
D.
sponsor
Remove two cup of liquid from the stew and place it in a small pan.
A.
fluids
B.
objects
C.
storms
D.
gases
There were ancient paintings on the walls and roof of the cave.
A.
shell
B.
cavern
C.
beach
D.
cavity
One cause of the Civil War was economic and political rivalry between the agarian South and the industrial North.
A.
contrcat
B.
context
C.
contempt
D.
contest
I certainly haven't reached the summit of my career.
A.
peak
B.
range
C.
volcano
D.
refuge
She tested a little of the perfume on the inside of her wrist.
A.
content
B.
interior
C.
design
D.
layout
New legisalation still does not offer adequate protection for many endangered species.
A.
constitution
B.
construction
C.
convervation
D.
contamination
The medieval legend of Dr. Faustus has been a recurrent theme in Western literature.
A.
tale
B.
issue
C.
subject
D.
discussion
An increased rate of illness is sometimes said to be one of the by-products of overcrowded housing.
A.
chemicals
B.
materials
C.
ingredients
D.
derivatives
Jacksonville, Illions, has more clleges and state institutions per capita than any other city in that state.
A.
per person
B.
per private enterprise
C.
per student
D.
per tax dollar
Business executives believe that holidays are vital to their well-being, according to a survey commissioned by a major hotel group.
A.
speech
B.
welfare
C.
appearance
D.
welcome
My own inclination, if I were in your situation, would be to look for another job.
A.
likeness
B.
symptom
C.
tendency
D.
habit
The handle won't screw in properly; the thread in the socket is damaged.
A.
fiber
B.
fable
C.
fake
D.
fabric
A couple of modifications and the speech will be perfect.
A.
leagues
B.
rules
C.
demands
D.
revisions
The recent devaluation of the dollar has had a strong effect on the finacial markets.
A.
deficiency
B.
degradation
C.
degeneration
D.
dependence
The design of this architecture shows a great deal of innovation. We have never seen a building of such a type before.
A.
fascination
B.
originality
C.
conventionality
D.
modification
The minister suggested that the dire prophecies of certain leading environmentalists were somewhat exaggerated.
A.
suspensions
B.
acclaims
C.
predictions
D.
mottoes
Any public disclosure of this information would be very damaging to the company.
A.
exposure
B.
extinction
C.
evaporation
D.
evaluation
There was an interval in the rain, so she returned home immediately.
A.
an interview
B.
a procedure
C.
a span
D.
a lull
We're trying to keep our new product a secret from our competitors.
A.
rivals
B.
changes
C.
responses
D.
rewards
We should settle our differences by concession not by war.
A.
commodity
B.
compromise
C.
comparison
D.
complaint
Until 1986 most companies would not even allow women to take the examinations but such blatant discrimination is now disappearing.
A.
bid
B.
bib
C.
bias
D.
bikini
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