【单选题】
He was bleeding from a _____ on his forehead.
A. lash
B. gash
C. ash
D. sash
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相关试题
【单选题】
Let us go to the next ______ on the agenda.
A. matter
B. debate
C. speech
D. item
【单选题】
They are _____ moving their office outside London.
A. considered
B. discussing
C. pondering
D. negotiating
【单选题】
Although she _____ the old pot thoroughly, she could not make it look completely clean.
A. scrubbed
B. washed
C. made
D. screwed
【单选题】
The mistake will remain an indelible ____ on his memory.
A. stain
B. thing
C. issue
D. accident
【单选题】
The wheel ____ through my frozen hand, and the car went right across the road.
A. slipped
B. sipped
C. dashed
D. disappeared
【单选题】
The cupboard was ____ with old fishing tackle.
A. stuffed
B. stocked
C. stored
D. filled
【单选题】
The decision depended on the ____ of a coin.
A. loss
B. lot
C. toss
D. sign
【单选题】
Teaching can be a tiring and ____ job.
A. meaningless
B. stressed
C. rewarded
D. stressful
【单选题】
The building is partly a museum and partly a private ____.
A. place
B. area
C. community
D. residence
【单选题】
Stop ______ your foot.
A. tossing
B. wiggling
C. exhibiting
D. reviewing
【单选题】
It was a bloody ___ between the two armies.
A. rebellion
B. encounter
C. meet
D. fight
【单选题】
They conferred on the best way to ______ business.
A. extend
B. adjust
C. expand
D. adopt
【单选题】
We had a party last month, and it was a lot of fun, so let’s have ____ one this month.
A. another
B. the other B. more D. other
【单选题】
I decided to go to the library as soon as I ____.
A. finish what I did
B. finished what I did
C. would finish what I was doing
D. finished what I was doing
【单选题】
The speaker, ______ for her splendid speeches, was warmly received by the audience.
A. having known
B. being known
C. knowing
D. known
【单选题】
No sooner had we reached the top of the hill ______ we all sat down to rest.
A. when
B. then
C. than
D. until
【单选题】
___ energy under the earth must be released in one form or another, for example, an earthquake.
A. Accumulated
B. Gathered
C. Assembled
D. Collected
【单选题】
Please ___ me for my rudeness. I really do not know the custom here.
A. engaged
B. comfort
C. execute
D. forgive
【单选题】
Sometimes it is very difficult to ___ some of the English words. Even the native speaker cannot help.
A. decrease
B. create
C. define
D. delight
【单选题】
In the wife’s eyes, his ___ to their marriage life is far from perfect.
A. requirement
B. commitment
C. participation
D. reflection
【单选题】
This newspaper often ___ the government’s opinion, not the public opinion.
A. affects
B. reacts
C. reflects
D. recognizes
【单选题】
It is predicted that heavy rains are ___ to flood the area in a few days.
A. frightening
B. threatening
C. scattering
D. warning
【单选题】
I chose to work abroad to improve my career ___.
A. future
B. path
C. prospect
D. expect
【单选题】
Long before I ever went there, Africa was alive in my ___.
A. image
B. imaginary
C. imaginative
D. imagination
【单选题】
The spectacle of the aurora may appear to dazzle and ___ the observer’s eye.
A. enchant
B. charm
C. fascinate
D. draw
【单选题】
The top prize has enhanced the musician’s ___.
A. fame
B. status
C. courage
D. faith
【单选题】
Compared with Westerners, the ___ use less butter. They prefer the very healthful peanut oil.
A. foreigners
B. Southerners
C. Northerners
D. Orientals
【单选题】
Within a few days she had become seriously ill, ___ great pain and discomfort.
A. surviving
B. suffering
C. affecting
D. accepting
【单选题】
People of their generation who lived through World War II have ___ memories of confusion and incompetence.
A. vivid
B. strong
C. acute
D. profound
【单选题】
Not a breath of fresh air ___ the long white curtains.
A. blew
B. stirred
C. whirled
D. stung
【单选题】
Figures showed customer complaints had ___ to record levels and profits were falling.
A. added
B. climbed
C. accumulated
D. soared
【单选题】
Thanks for the advice, but this is something I have to ___ out myself.
A. fulfill
B. identify
C. figure
D. claim
【单选题】
A ___ monument has been erected in Tian An Men Square in honor of the people’s heroes.
A. magnificent
B. gorgeous
C. huge
D. marvelous
【单选题】
Vietnam made an official ___ that the meeting be postponed.
A. require
B. requirement
C. request
D. agreement
【单选题】
Luke was allowed to sit directly behind the pilot and ___ with him.
A. converse
B. inverse
C. perverse
D. diverse
【单选题】
Maybe this work is not ___, but it will live for a while.
A. mortal
B. deadly
C. immortal
D. worldly
【单选题】
This is why emerging economies set themselves to ___ vast foreign currency reserves in this decade.
A. gather
B. accumulate
C. accelerate
D. assemble
【单选题】
This will enable the audience to sit in ___ while watching the shows.
A. comfort
B. rest
C. relax
D. cozy
【单选题】
Throughout the house, the views are a constant source of surprise and ___.
A. grief
B. pleasant
C. happy
D. delight
【单选题】
Imagination is sometimes more ___ than reality.
A. vivid
B. real
C. bright
D. rich
推荐试题
【单选题】
[66]压缩机启动时,润滑油允许的最低温度是___。
A. 20℃
B. 25℃
C. 35℃
D. 40℃
【单选题】
[67]压缩机油路系统经蓄压器内充的气体是___。
A. 氮气
B. 氢气
C. 氧气
D. 一氧化碳
【单选题】
[68]三机的润滑油压力是___。
A. 100KPa
B. 150KPa
C. 200KPa
D. 250KPa
【单选题】
[69]喷射泵的开车顺序是___。
A. 先开一级,再开二级
B. 先开二级,再开一级
C. 一级,二级要同时开
D. 先开一级或先开二级都可以
【单选题】
[70]C-201-ST额定工况超高压蒸汽用量___。
A. 326t/h
B. 300t/h
C. 69.5t/h
D. 109t/h
【单选题】
[71]C-201-ST基础工况超高压蒸汽用量___。
A. 326t/h
B. 300t/h
C. 69.5t/h
D. 109t/h
【单选题】
[72]C-201-ST零抽工况超高压蒸汽用量___。
A. 326t/h
B. 300t/h
C. 69.5t/h
D. 109t/h
【单选题】
[73]下列机组透平使用超高压蒸汽的用户是___。
A. C-201T与C-501T
B. C-501T与C-601T
C. C-201T与C-601T
D. C-601T
【单选题】
[74]不是C-201外来线的是___。
A. 高压尾气
B. HDPE返回气
C. 乙烯泡点气
D. 最小流量返回线
【单选题】
[75]C-601压缩机采用密封形式___。
A. 干气密封
B. 机械密封
C. 迷宫密封
D. 浮环密封
【单选题】
[76]管线编号为24"-PR-50022-B1D-C，其中24表示___。
A. 管线尺寸
B. 管线材料
C. 物流代号
D. 保温代号
【单选题】
[77]管线编号为24"-PR-50022-B1D-C，其中PR表示___。
A. 管线尺寸
B. 管线材料
C. 物流代号
D. 保温代号
【单选题】
[78]管线编号为24"-PR-50022-B1D-C，其中B1D表示___。
A. 管线尺寸
B. 管线材料
C. 物流代号
D. 保温代号
【单选题】
[79]管线编号为24"-PR-50022-B1D-C，其中C表示___。
A. 管线尺寸
B. 管线材料
C. 物流代号
D. 保温代号
【单选题】
[80]密封蒸汽外供蒸汽在何种形式下启动___。
A. 负荷低于75%
B. 自身泄漏压力不足
C. 复水器真空度不高
D. A、B二者
【单选题】
[81]冷泵干燥后露点___为合格。
A. -20℃
B. -40℃
C. -50℃
D. -60℃
【单选题】
[82]乙烯机、丙烯机采用___制冷方式。
A. 开式热泵制冷
B. 闭式热泵制冷
C. 水冷
D. 复叠制冷
【单选题】
[83]干气密封为___形式密封。
A. 单面
B. 双端面
C. 二级单端面
D. 浮环式
【单选题】
[84]乙烯临界温度为___。
A. 5℃
B. 9.9℃
C. 11℃
D. 12.3℃
【单选题】
[85]丙烯机C-501停止后，为___，要进行盘车。
A. 防止轴弯曲
B. 不防轴弯曲
C. 防止转子碎
D. 防止转子弯曲
【单选题】
[86]T-203操作条件是___。
A. 高温低压
B. 低温低压
C. 高温高压
D. 低温高压
【单选题】
[87]D-209干燥器在___操作条件下有利于水份吸收。
A. 高温低压
B. 低温低压
C. 高温高压
D. 低温高压
【单选题】
[88]废碱中浓度应低于多少才防止盐结晶___。
A. 0.3
B. 0.15
C. 0.25
D. 0.2
【单选题】
[89]压缩机油路系统酸洗前不需要进行脱脂处理，油路酸洗是为了使系统___。
A. 无砂土
B. 无氧化硅
C. 无油分
D. 金属表面清洁
【单选题】
[91]备用泵盘车的方向一般为___。
A. 顺时针方向
B. 逆时针方向
C. 泵的运转方向
D. 无特殊规定
【单选题】
[92]滑动轴承中加润滑剂作用是减小轴承中的___带走热量，缓冲吸振。
A. 磨擦与磨损
B. 防锈
C. 冷却
D. 密封
【单选题】
[94]C-201润滑油系统高位油槽的作用是___。
A. 提供一定的润滑油压差
B. 润滑油压力低辅助油泵不能自启动时提供润滑
C. 分流部分润滑油
D. 润滑油压力低，辅助油泵自启动前缓冲润滑油压力下降的幅度，保证油压高于联锁值
【单选题】
[95]压缩机油路系统的主润滑油泵的作用___。
A. 由蒸汽透平驱动为压缩机和透平提供润滑油和调速油
B. 由电机驱动，当润滑油压力低时，自启动提供润滑油
C. 由电机驱动，当调速油压力低时，自启动提供调速油
D. 当装置停电，压缩机停车后用柴油机组发电来提供足够的润滑油
【单选题】
[96]截止阀的结构主要由阀体、阀盖、阀杆、___和手轮等组成。
【单选题】
[97]主蒸汽管道的汽水分离器是起___作用的。
A. 起到缓冲作用
B. 分离蒸汽中所带的水分
C. 隔离
D. 无法确定
【单选题】
[98]安全阀起跳压力为压力容器工作压力的___倍。
A. 1.00～1.1
B. 1.2～1.3
C. 1.05～1.1
D. 0.9～1.0
【单选题】
[99]润滑剂不具有下列___作用。
A. 润滑作用
B. 防锈防蚀
C. 防冻
D. 卸荷
【单选题】
[100]有关润滑管理,下列说法正确的是___。
A. 不同标号的润滑油桶可以互用
B. 润滑油使用应遵循三级过滤的原则
C. 设备运行只要有油，长时间不必更换
D. 废油可以随便处理
【单选题】
[101]有关润滑管理，下列说法不正确的是___。
A. 润滑油进厂必须检验其质量指标，合格后方可接收
B. 润滑油转桶时须过滤
C. 润滑油库不需防火设施
D. 进口设备用油应立足国内油
【单选题】
[102]C-201汽轮机入口蒸汽温度正常值___。
A. 270℃
B. 380℃
C. 420℃
D. 510℃
【单选题】
[103]裂解气压缩机开工喷射泵的工作蒸汽为___。
A. 超高压蒸汽
B. 高压蒸汽
C. 中压蒸汽
D. 低压蒸汽
【单选题】
[104]裂解气压缩机透平复水器顶部设有___与大气相通。
A. 安全阀
B. 呼吸阀
C. 防爆膜
D. 大气安全阀
【单选题】
[105]丙烯压缩机的透平动力驱动源为超高压蒸汽，抽气为___。
【单选题】
[106]丙烯制冷压缩机出口放火炬阀的位置设置在___。
A. 丙烯冷剂收集罐顶部
B. 丙烯制冷压缩机出口管线上
C. 出口冷凝器后的管线上
D. 丙烯冷剂收集罐出口管线上
【单选题】
[107]裂解气压缩机“三返一”的返回点为___。
A. 二段吸入罐前
B. 二段吸入罐后
C. 一段吸入罐前
D. 裂解气进料电磁阀前
