【单选题】
Does everyone on earth have an equal right _________ an equal share of its resources?
A. by
B. at
C. to
D. over
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相关试题
【单选题】
In 1914, an apparently insignificant event in a remote part of Eastern Europe __________ Europe into a great war.
A. inserted
B. imposed
C. pitched
D. plunged
【单选题】
We had to ___________ a lot of noise when the children were at home.
A. go in for
B. hold on to
C. put up with
D. keep pace with
【单选题】
A person's calorie requirements vary ______ his life.___
A. across
B. throughout
C. over
D. within
【单选题】
Generous public funding of basic science would ________considerable benefits for the country's health, wealth and security.___
A. lead to
B. result from
C. lie in
D. settle down
【单选题】
In a time of social reform, people's state of mind tends to keep ___________ with the rapid changes of society___
A. step
B. progress
C. pace
D. touch
【单选题】
The speech which he made __________ the project has bothered me greatly.___
A. regarded
B. concerned
C. regarding
D. concerning
【单选题】
Harry was _______ by a bee when he was collecting the honey.___
A. stung
B. stuck
C. bitten
D. scratched
【单选题】
The thief tried to open the locked door but _________.___
A. in no way
B. in vain
C. without effect
D. at a loss
【单选题】
Remember that customers don't ________ about prices in that city.___
A. debate
B. consult
C. dispute
D. bargain
【单选题】
I hope that you'll be more careful in typing the letter. Don't _________ anything.___
A. lack
B. withdraw
C. omit
D. leak
【单选题】
The tomato juice left brown __________ on the front of my jacket.___
A. spot
B. point
C. track
D. trace
【单选题】
The committee is totally opposed ________ any changes being made in the plans.___
A. of
B. on
C. to
D. against
【单选题】
I'm very sorry to have _______ you with so many questions on such an occasion.___
A. interfered
B. offended
C. impressed
D. bothered
【单选题】
The price of beer _______ from 50 cents to $4 per liter during the summer season.___
A. altered
B. ranged
C. separated
D. differed
【单选题】
Their son doesn't know what to ________ at the university; he can't make up his mind about his future.___
A. take in
B. take up
C. take over
D. take after
【单选题】
Although they plant trees in this area every year, the tops of some hills are still _________.___
A. blank
B. hollow
C. vacant
D. bare
【单选题】
Being a pop star can be quite a hard life, with a lot of traveling ________ heavy schedules.
A. with regard to
B. as to
C. in relation to
D. owing to
【单选题】
Tony is very disappointed _______ the results of the exam.
A. with
B. for
C. toward
D. on
【单选题】
William Penn, the founder of Pennsylvania, _________ defended the right of every citizen to freedom of choice in religion.
A. peculiarly
B. indifferently
C. vigorously
D. inevitably
【单选题】
When people become unemployed, it is _______ which is often worse than lack of wages.___
A. laziness
B. poverty
C. idleness
D. inability
【单选题】
In previous times, then fresh meat was in short __________, pigeons were kept by many households as a source of food.
A. store
B. provision
C. reserve
D. supply
【单选题】
Those gifts of rare books that were given to us were deeply _________.___
A. appreciated
B. approved
C. appealed
D. applied
【单选题】
It is our ___________ policy that we will achieve unity through peaceful means.___
A. consistent
B. continuous
C. considerate
D. continual
【单选题】
He is __________ about his chances of winning a gold medal in the Olympics next year.___
A. optimistic
B. optional
C. outstanding
D. obvious
【单选题】
The director was critical _______________ the way we were doing the work.___
A. at
B. in
C. of
D. with
【单选题】
In a sudden _____________ of anger, the man tore up everything within reach.___
A. attack
B. burst
C. split
D. blast
【单选题】
In Britain people _____________ four million tons of potatoes every year.___
A. swallow
B. dispose
C. consume
D. exhaust
【单选题】
I'd _____________ his reputation with other farmers and business people in the community, and then make a decision about whether or not to approve a loan.___
A. take into account
B. account for
C. make up for
D. make out
【单选题】
She cooked the meat for a long time so as to make it _____________ enough to eat.___
A. mild
B. slight
C. light
D. tender
【单选题】
The computer revolution may well change society as _____________ as did the Industrial Revolution.___
A. certainly
B. insignificantly
C. fundamentally
D. comparatively
【单选题】
A lot of ants are always invading my kitchen. They are a thorough ___________.___
A. nuisance
B. trouble
C. worry
D. anxiety
【单选题】
As we can no longer wait for the delivery of our order, we have to _________ it.___
A. postpone
B. refuse
C. delay
D. cancel
【单选题】
When a fire _________ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.___
A. broke of
B. broke out
C. broke down
D. broke up
【单选题】
The destruction of these treasures was a loss for mankind that no amount of money could __________.___
A. stand up to
B. make up for
C. come up with
D. put up with
【单选题】
The student was just about to ___________ the questions, when suddenly he found the answer.___
A. arrive at
B. submit to
C. work out
D. give up
【单选题】
When there are small children around, it is necessary to put bottles of pills out of _________.___
A. reach
B. hand
C. hold
D. place
【单选题】
The _________ of blood always makes him feel sick.___
A. sight
B. view
C. look
D. form
【单选题】
In Britain, the best season of the year is probably __________ spring.___
A. later
B. last
C. latter
D. late
【单选题】
Free medical treatment in this country covers sickness of mind as well as _________ sickness.___
A. normal
B. regular
C. average
D. ordinary
【单选题】
Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only _________ to his confusion.___
A. extended
B. amounted
C. added
D. turned
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采用横撑支柱法采矿，横撑支护材料应有足够的强度，一端应紧紧插入底板柱窝搭好平台方准进行凿岩，人员不应在横撑上行走，采幅宽度应不超过___m 。
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采用无底柱分段崩落法回采，上下两个分段同时回采时，上分段应超前于下分段，超前距离应使上分段位于下分段回采工作面错动范围之外且不小于___ m。
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采用分层崩落法回采，每个分层进路宽度应不超过3m，分层高度应不超过___m。
【单选题】
采用分层崩落法回采，上下分层同时回采时，应保持上分层 (在水平方向上) 超前相邻下分层 ___m以上。
【单选题】
回采顶柱和间柱，应预先先检查运输巷道的___情况，必要时应采取加固措施。
【单选题】
采用胶结充填采矿法时，应待胶结充填体达到要求___，方可进行矿柱回采。
【单选题】
井下采掘工作面进风流中的空气成分，氧气应不低于20%，二氧化碳应不高于___。
【单选题】
入风井巷和采掘工作面的风源含尘量，应不超过 ___mg/m3。
【单选题】
矿井所需风量，按井下同时工作的最多人数计算，供风量应不少于每人___立方米/min。
【单选题】
按照排尘风速计算，硐室型采场最低风速应不小于0.15 m/s，巷道型采场和掘进巷道应不小于___m/s。
【单选题】
采掘作业地点的气象条件中规定干球温度的上限为___℃。
【单选题】
进风巷冬季的空气温度，当低于___℃时，应有暖风设施。
【单选题】
矿井通风系统的有效风量率，应不低于___。
【单选题】
采场形成通风系统之前，不应进行___作业。
【单选题】
采场、二次破碎巷道和电耙巷道，应利用贯穿风流通风或机械通风，电耙司机应位于风流的___侧。
【单选题】
每台主扇应具有相同___的备用电动机。
【单选题】
主扇应有使矿井风流在___min内反向的措施。
【单选题】
主扇风机房，应设有测量___、电流、电压和轴承温度等的仪表。
【单选题】
局部通风规定压入式通风与抽出式通风的风筒口与工作面的距离应分别不超过___m。
【单选题】
人员进入独头工作面之前，应开动___通风设备通风。
【单选题】
爆破后和装卸矿（岩）时，应进行喷雾洒水。凿岩出渣前，应清洗工作面___m以内的巷壁。
【单选题】
矿井（竖井、斜井、平硐等）进口的标高，应高于当地历史最高洪水位___m以上。
【单选题】
矿山企业应调查合现有生产井中的积水区、含水层、岩溶带、地质构造等详细情况，并填绘矿区___地质图。
【单选题】
一般矿山的主要泵房，进口应装设___。
【单选题】
井筒掘进时，预测裸露段涌水量大于20m3/h，宜采用___堵水。
【单选题】
井下主要排水设备，至少应由同类型的___台泵组成。
【单选题】
井底主要泵房的出口应不少于两个，其中一个用斜巷与井筒连通，斜巷上口应高出泵房地面标高___m以上。
【单选题】
涌水量较大的矿井，每个水仓的容积，应能容纳 ___h的井下正常涌水量。
【单选题】
《规程》规定，矿山至少每___年进行一次反风实验.
【单选题】
依照《规程》的规定，井口标高必须高出历年最高洪水位___m以上。
【单选题】
在距离坠落高度基准面___m以上，作业人员必须佩带安全带。
【单选题】
停产___个月以上恢复生产的地下矿山，应进行安全条件论证和评价。
【单选题】
矿山设计规定，保留的___，在规定的期限内，应当予以保护，不得开采或者毁坏。
【单选题】
每个矿井至少应有两个独立的直达地面的安全出口，安全出口的间距应不少于___米。
【单选题】
井筒与水平大巷连接处，应设绕道，人员不得通过___。
【单选题】
地下爆破作业地点有毒气体允许浓度规定CO为___mg/Cm3。
