【单选题】
He has been writing for 3 years, but being a writer is not his ___.
A. chance
B. choice
C. change
D. character
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相关试题
【单选题】
They have never heard any ___.
A. a customer complaint
B. the customer's complaints
C. customer's complaint
D. the customers' complaints
【单选题】
He is not a child ___.
A. no more
B. no longer
C. any much
D. any more
【单选题】
The retired man is used to ___ his two dogs early in the morning.
A. exercise
B. exercising
C. exercised
D. exercises
【单选题】
It was not ___ midnight that they discovered the children were not in their bedroom.
A. before
B. at
C. after
D. until
【单选题】
Young ___ he is, he knows how to get along with others.
A. like
B. as
C. although
D. however
【单选题】
Could you show me where the___ shoes are?
A. Women
B. womens
C. woman
D. women's
【单选题】
He succeeded ___ out a lot of things entirely new in the world.
A. in working
B. to work
C. working
D. at working
【单选题】
It took me a long time to ___ the disappointment of failing the exam.
A. get over
B. get up
C. get into
D. get down
【单选题】
She ___ 100 pages of the book today.
A. has already read
B. already reads
C. already read
D. was already read
【单选题】
He has been ___ for nearly three weeks after the death of his dear pet.
A. sad
B. satisfied
C. evil
D. joyful
【单选题】
One cannot learn a foreign language well ___he studies hard.
A. unless
B. if
C. as
D. when
【单选题】
A large number of people___ present at the meeting, which was out of our expectation.
A. was
B. were
C. have
D. has
【单选题】
When the girls saw the funny man, they couldn't ___ laughing.
A. keep from
B. keep on
C. keep away
D. keep at
【单选题】
We are glad that we finally managed to get into contact ___ them.
A. at
B. on
C. from
D. with
【单选题】
This kind of plant___a lot of water at all times.
A. assumes
B. limits
C. produces
D. requires
【单选题】
Look! Here ___ the famous player.
A. comes
B. come
C. had come
D. coming
【单选题】
Uncle Sam sent him a___ bicycle as a birthday present.
A. red sports new
B. sports new red
C. new sports red
D. new red sports
【单选题】
I couldn't find my English-Chinese dictionary___.
A. anywhere
B. everywhere
C. nowhere
D. somewhere
【单选题】
The plane was about to___, and yet I left my ticket behind.
A. take off
B. take on
C. take up
D. take in
【单选题】
John succeeded ___ what he wanted.
A. to get
B. to getting
C. in getting
D. and getting
【单选题】
The accident was ___ to careless driving.
A. for
B. likely
C. due
D. because
【单选题】
With a good command of reading skills, most students can manage to read ___as they could the year before.
A. as twice fast
B. as fast as twice
C. as twice as fast
D. twice as fast
【单选题】
Some famous singers live on the ___from their record sales.
A. salary
B. price
C. bill
D. income
【单选题】
_____of them thinks that is a good idea.
A. Anyone
B. No one
C. None
D. Someone
【单选题】
Don't be too ___about things you're not supposed to know.
A. strange
B. amusing
C. curious
D. conscious
【单选题】
It was in 1969 ___the American astronauts succeeded in landing on the moon.
A. when
B. the moment
C. which
D. that
【单选题】
___people in the world are sending information by e-mail every day.
A. Several million
B. Many millions
C. Several millions
D. Many million
【单选题】
He___less time reading stories about film stars than before.
A. takes
B. spends
C. costs
D. pays
【单选题】
Selecting a mobile phone for personal use is no easy task because technology___so rapidly.
A. is changing
B. has been changed
C. will have changed
D. will change
【单选题】
The taxi driver always reminds passengers to ___their belongings when they leave the car.
A. keep
B. catch
C. hold
D. take
【单选题】
Little Tom is used to getting up ___eight every morning.
【单选题】
If the doctor had been available, the child _______.
A. would not die
B. could not have died
C. might not die
D. should not have died
【单选题】
If Mary___shopping this afternoon, please ask her to write a shopping list first.
A. will go
B. goes
C. went
D. has gone
【单选题】
These desks and chairs ___to the children in the mountain villages next week.
A. are sent
B. will send
C. have sent
D. will be sent
【单选题】
Every society has its own peculiar customs and ___of acting.
A. attitudes
B. behavior
C. ways
D. means
【单选题】
China is ___the Great Wall.
A. on
B. famous
C. famous for
D. famous as
【单选题】
The dog was tearing the cloth___its teeth.
A. with
B. by
C. through
D. in
【单选题】
A man should not be judged always ___what he says.
A. by
B. in
C. with
D. to
【单选题】
We will have a ___holiday after the exam.
A. two month
B. two-month
C. two month's
D. two-months
【单选题】
Mr Wang is going to teach you maths ___one year.
A. with
B. on
C. for
D. to
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[单选题]第1492题：造成水体富营养化的主要原因是由于水体中含有过量的___等元素。
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[单选题]第1493题：检查运行炉管的主要风险是灼伤，预防措施有___。
A. 打开观火孔，正面观察，严禁正面对着观火孔检查，检查后关观火孔
B. 确认炉膛处于正压状态
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[单选题]第1494题:按压力等级区别裂解炉汽包属于___容器。
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[单选题]第1496题：设备倒空操作的原则是___。
A. 先倒空，后泄压
B. 先泄压，后空
C. 倒空与泄压操作同步进行
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[单选题]第1497题:下列选项中造成离心泵流量降低的原因之一是___
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[单选題]第1498题ε固体可燃物表面温度超过___时可燃物接触该表面有可能一触即。
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[单选题]第1499题：透平压缩机停车后立即盘车的目的是___。
A. 避免转子弯曲变形
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C. 对压缩机进行检查
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[单选题]第1500题:结合本单位部门职能分工成立以单位___为领导的应急预案编制作明确编制任务、职责分工制定工作计划。
A. 党政一把手
B. 主要负责人
C. 生产部门领导
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［单选题］第1501題：以下___项,属于高毒物品目录。
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[单选题］第1502题:可燃气体、液化燈和可燃液体的塔区平台或其他设备的构架平台应设置不少于___个通往地面的梯子。
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第1503题:单位或者个人违反《中华人民共和国突发事件应对法》.导致突发事件发生或者危害扩大.给他人人身、财产造成损害的应当依法承担___。
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第1504题:火灾中气体燃烧属于___燃烧
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第1505题:—氧化碳职业接触限值PC-STELL为___mg/m
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[单选题］第1506题：乙烯装置中。___需坚要持定期分析化验油品。
A. 裂解气压缩机
B. 化学品注入泵
C. 乙烯产品输送泵
【单选题】
[单选题］第1507题，为了防止空气倒流至火炬内而发生爆炸事故，以下___)是火炬系统上设置的安全措施。
A. 注入蒸汽
B. 设置分子封
C. 火炬部设置袤汽伴热
【单选题】
［单选題］第1509题:消防给水管道应保持充水状态。地下独立的消防给水管道应埋设在冰冻线以下，管顶距冰冻线不应小于 ___mm。
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【单选题】
第1512题：比水轻的非水溶性可燃、易燃液体火灾一原则上不能用___扑救。
【单选题】
第1513题：关于碳二加氢反应器飞温的处理方法，下列说法正确的是___。
A. 降低入口温度
B. 降低氢炔比
C. 反应器立即泄压至火炬
【单选题】
[单选题]第1514题：气瓶充装液化石油气时,应___充装。
【单选题】
[单选题]第1515题：用来防止可燃气体、易燃液体大量泄漏，在容器的出口位置常设置___阀
【单选题】
[单选题]第1516题：急冷锅炉、蒸汽过热炉在化学清洗时应注意___。
A. 人员保护和废液指定地点处理
B. 管线复位后，高压蒸汽管线无需吹扫
C. 化学清洗前要用蒸汽预热
【单选题】
[单选题]第1517题：炼制石油、生产合成氯等装置过程中排放含有硫化物气体的，应当配备___
A. 火炬系统
B. 脱硫装置
C. 直接排放设施
【单选题】
[单选题]第1518题：急冷水乳化的危害很多，那么急冷水乳化液是___。
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[单选题]第1519题：能提供对整个面部的高能量飞溅的的保护的是___。
【单选题】
[单选题]第1520题：苯可能引起的职业病包括苯所致白血病、接触性皮炎及___。
A. 肝血管瘤
B. 肺气肿
C. 急性化学性眼灼伤
【单选题】
[单选题]第1521题：防治噪声污染的最根本的措施是___。
A. 减振降噪
B. 采用吸声器
C. 从声源上降低噪声
【单选题】
[单选题]第1522题：要努力形成___体系，确保应对各种事故尤其是重特大且救摄复杂、难度大的生产安全事故应急救援的装置和物资需要。
A. 应急管理体系
B. 应急救摄体系
C. 多层次的应急救援装备和物资储备
【单选题】
[单选题]第1523题：根据《劳动防护用品监督管理规定》.（劳动防护用品目录由国家安全生产监督管理总局确定并公布___
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[单选题]第1524题：炸药燃烧与一般可燃物爆炸不同，它不需要___就能进行燃烧。
【单选题】
[单选题]第1525题：裂解炉对流段原料预热盘管破裂后，室内最明显的变化是___。
A. 裂解炉横跨断温度异常上升
B. 裂解炉烟气温度异常上升
C. 裂解炉负压不断降低
【单选题】
[单选题]第1526题：乙烯在工作环境中最高允许浓度为___mg/m2。
【单选题】
[单选题]第1527题：下列选项中不属于急冷油管线防堵措施的是___
A. 控制好QO黏度在指标范围内
B. 定期切换、清理急冷油循环泵进出口过滤器，防止过滤器堵塞
C. 控制汽油分馏塔釜在低液位
【单选题】
[单选题]第1528题：为了保证安全阀能够正常排放物料火炬总管的管径通常由___决定
A. 最大允许组合背压
B. 火炬气的流速
C. 最大火炬排放量
【单选题】
[单选题]第1529题：压力容器作业的职业禁忌证不包括___。
A. 心脏病及心电图明显异常（心律失常)
B. 红绿色盲
C. 恐高症
