因为在常温常压下,C5以上烃类为液体,如果液化石油气中含有大量的C5及C5以上组分,在常温常压下使用时,这些烃类因不易汽化,而残留在容器底部,降低了液化石油气的质量,影响了正常使用。
相关试题
【简答题】
为什么催化裂化汽油比直流汽油辛烷值高?
【单选题】
提出新民主主义革命的基本思想是在___。
A. 第一次国内革命战争时期
B. 土地革命战争时期
C. 抗日战争时期
D. 解放战争时期
【单选题】
逐步开辟了农村包围城市、武装夺取政权的革命道路是在___。
A. 第一次国内革命战争时期
B. 土地革命战争时期
C. 抗日战争时期
D. 解放战争时期
【单选题】
毛泽东思想得到多方面展开而趋于成熟是___。
A. 第一次国内革命战争时期
B. 遵义会议以后
C. 抗日战争以后
D. 解放战争以后
【单选题】
将毛泽东思想写入党章,确立为党必须长期坚持的指导思想是___。
A. 党的一大
B. 党的二大
C. 党的六大
D. 党的七大
【单选题】
毛泽东思想丰富发展是在___。
A. 第一次国内革命战争时期
B. 遵义会议以后
C. 抗日战争以后
D. 解放战争和新中国成立以后
【单选题】
毛泽东明确提出了把马克思列宁主义的基本原理同中国革命和建设的具体实际进行“第二次结合,找出在中国怎样建设社会主义的道路”的任务是在___。
A. 遵义会议
B. 抗日战争时期
C. 解放战争和新中国成立以后
D. “文化大革命”时期
【单选题】
毛泽东思想紧紧围绕的主题是___。
A. 中国革命和建设
B. 中国改革和开放
C. 世界革命和建设
D. 共产主义
【单选题】
毛泽东思想丰富和发展了马克思列宁主义,其理论具有___。
A. 独创性
B. 滞后性
C. 发展性
D. 超前性
【单选题】
新民主主义革命理论的创立发展了马克思列宁主义关于___思想。
A. 统一战线
B. 阶级斗争
C. 无产阶级专政
D. 无产阶级在民主革命中的领导权
【单选题】
新民主主义革命理论认为,无产阶级领导的统一战线要最大限度地___。
A. 孤立国民党
B. 孤立最主要的敌人
C. 孤立民族资产阶级
D. 孤立大资产阶级
【单选题】
无产阶级在同资产阶级结成统一战线时,要保持无产阶级的独立性,实行___的政策。
A. 武装斗争
B. 又团结又斗争
C. 只团结
D. 其他
【单选题】
毛泽东的军事理论把___提到了战略的地位。
A. 陆地战
B. 运动战
C. 游击战
D. 持久战
【单选题】
在思想政治工作和文化工作方面,毛泽东认为___。
A. 思想政治工作是经济工作和其他一切工作的生命线
B. 经济工作是思想政治工作和其他一切工作的生命线
C. 文化工作是是经济工作和其他一切工作的生命线
D. 文化工作是经济工作和其他一切工作的生命线
【单选题】
针对历史上党内斗争中存在过的“残酷斗争、无情打击”的“左”的错误,毛泽东提出的正确方针是___
A. 劳动改造
B. 惩前毖后、治病救人
C. 依法办事
D. 无产阶级专政
【单选题】
毛泽东强调在党内斗争中要达到的目的是___
A. 残酷斗争
B. 无情打击
C. 消灭异己
D. 既弄清思想又团结同志
【单选题】
我国最先提出马克思列宁主义思想教育整风形式的人是___。
A. 毛泽东
B. 江泽民
C. 胡锦涛
D. 习近平
【单选题】
马克思列宁主义思想教育整风形式主要采取___。
A. 劳动改造
B. 批评与自我批评
C. 阶级斗争
D. 无产阶级专政
【单选题】
务必使同志们继续地保持谦虚、谨慎、不骄、不躁的作风,务必使同志们继续地保持艰苦奋斗的作风。这“两个务必”最先提出的人是___。
A. 毛泽东
B. 江泽民
C. 胡锦涛
D. 习近平
【单选题】
群众路线是党的根本___。
A. 政治路线
B. 经济路线
C. 工作路线
D. 思想路线
【单选题】
群众路线本质上体现马克思主义___。
A. 关于无产阶级专政的思想
B. 关于人民群众是历史的创造者的基本原理
C. 关于人民战争思想
D. 无产阶级大联合的思想
【单选题】
历史发展和社会进步的主体力量是___。
A. 人民群众
B. 中国共产党
C. 民主党派
D. 政治家
【单选题】
推动历史发展的根本力量___。
A. 政治精英
B. 科学家
C. 财富精英
D. 人民
【单选题】
检验党的一切工作的成效的最高标准是___。
A. 生产力发展
B. 最广大人民根本利益
C. 综合国力
D. 自己的特殊利益
【单选题】
马克思主义中国化的第一个重大理论成果是___。
A. 邓小平理论
B. “三个代表”重要思想
C. 科学发展观
D. 毛泽东思想
【单选题】
在中国共产党历史上,第一个明确提出了“马克思主义中国化”的科学命题和重大任务,深刻论证了马克思主义中国化的必要性和极端重要性的人是___。
A. 陈独秀
B. 王明
C. 毛泽东
D. 邓小平
【单选题】
在马克思主义中国化的历史进程中,为中国特色社会主义理论体系的形成奠定了理论基础的是___。
A. 毛泽东思想
B. 邓小平理论
C. “三个代表”重要思想
D. 科学发展观
【单选题】
为开创和发展中国特色社会主义作了重要的理论准备的是毛泽东思想关于___。
A. 新民主主义理论
B. 思想政治工作理论
C. 外交思想
D. 社会主义建设的理论
【单选题】
对毛泽东和毛泽东思想的历史地位作出了科学的、实事求是的评价是___。
A. 中共十一届三中全会
B. 中共十二大报告
C. 中共十三大报告
D. 《历史决议》
【单选题】
___是社会变革的先导。
A. 思想理论
B. 经济发展
C. 环境保护
D. 政治变革
【单选题】
中国反帝反封建的民主革命转变为新的世界无产阶级社会主义革命的一部分是___。
A. 第一次世界大战
B. 第二次世界大战
C. 十月革命的胜利
D. 五四运动的爆发
【单选题】
毛泽东在《实践论》和《矛盾论》两篇著作中系统阐述了___。
A. 党内“左”的和右的错误的思想根源
B. 新民主主义革命的总路线
C. 新民主主义革命的对象、动力、领导力量、性质和前途
D. 统一战线、武装斗争和党的建设的基本规律和内在联系
【单选题】
标志毛泽东思想得到多方面展开而趋于成熟是___。
A. 农村包围城市、武装夺取政权的思想的提出
B. 社会主义改造思想提出
C. 三大法宝思想提出
D. 新民主主义革命理论的系统阐述
【单选题】
为开辟适合中国国情的社会主义建设道路进行艰辛探索是在___。
A. 第一次国内革命战争时期
B. 土地革命战争时期
C. 抗日战争时期
D. 解放战争时期和新中国成立以后
【单选题】
新民主主义理论认为,中国资产阶级中既有革命要求又有动摇性的是___。
A. 大资产阶级
B. 民族资产阶级
C. 小资产阶级
D. 资产阶级知识分子
推荐试题
【单选题】
Because of his long illness, Lee’s English level had dropped, but he was determined to ___ the other students by working harder.
A. put up with
B. catch up with
C. get along with
D. fill up with
【单选题】
We appreciate your efforts in making changes in your schedule and think that this new arrangement is now ___ to us.
A. agreeable
B. sustainable
C. portable
D. indispensable
【单选题】
The woman who died in a car crash last Saturday in the suburbs has been ___ as Kate Johnson, a 25-year-old office clerk.
A. justified
B. identified
C. notified
D. classified
【单选题】
My nephew failed in the College Entrance Examination, and we were all very sorry that he did not ___ to the university.
A. take it
B. get it
C. make it
D. succeed it
【单选题】
Almost half of that group will experience stress ___ enough to call for professional help.
A. tense
B. moderate
C. bearable
D. intense
【单选题】
If you grow too fast your entire economy could completely shut down and bring growth to a(n) ___.
A. halt
B. cease
C. peak
D. epidemic
【单选题】
I tried my best to drive inside in order to avoid the edges that might make me ___ the steep slope.
A. slip down
B. settle down
C. bring down
D. turn down
【单选题】
When the driver heard that there was a bomb on the bus, he immediately ___ to the side of the highway and radioed the police.
A. put out
B. took off
C. pulled over
D. slipped off
【单选题】
She was very ___ to become a manager in our customers’ office, but finally accepted our offer.
A. eager
B. intelligent
C. ridiculous
D. reluctant
【单选题】
In the race, it looked as if he would be the first, but then another young man who was close behind him put on speed and ___ by a few seconds.
A. beat him for it
B. beat him to it
C. beat him up
D. beat it to him
【单选题】
It is really helpful to have someone like you that we can ___ and count on during difficult times.
A. lean on
B. get to
C. hang on
D. get by
【单选题】
Women have a greater ability to ___ names with faces than men do, and they are also better at recalling lists.
A. associate
B. compare
C. engage
D. involve
【单选题】
He was always ready to help others and managed to ___ his friends ____being hurt.
A. expose … to
B. confine …to
C. restrict … from
D. shield … from
【单选题】
Older people are less likely to be ___ their negative emotions (情绪) and more likely to focus on the positive.
A. reserved for
B. caught up in
C. beat up to
D. counted on
【单选题】
I don’t have any bandage, so I have to ___ pressure to the wound to keep the bleeding down.
A. apply
B. involve
C. fulfill
D. establish
【单选题】
It is important that whichever candidate (候选人) is picked the loser should accept the defeat ___.
A. in advance
B. with great pride
C. with good grace
D. in large part
【单选题】
___ that new homes cost more than older homes, but that is not true across the country anymore.
A. It used to be
B. It is used to be
C. It used to being
D. It is used to being
【单选题】
The boss ___ his employees to work longer hours as the company is dreadfully short of staff at present.
A. called on
B. signed up
C. cared for
D. set up
【单选题】
The president’s visit and ___ discussions led to a plan that aimed to improve the trade relations between the two countries.
A. emerging
B. subsequent
C. consequent
D. Submerging
【单选题】
The author ___ his general idea mainly through statistics and results obtained from a survey (调查) about auto customer services in the United States.
A. assumes
B. engages
C. illustrates
D. represents
【单选题】
People in this town starved, several buildings were bombed and crime ___ because you had to steal to eat.
A. eroded
B. reflected
C. released
D. soared
【单选题】
Olympic recognition for bodybuilding (健美) remains ___ since some argue that bodybuilding is not a sport because the actual contest does not involve the same sort of efforts as “real” sports.
A. controversial
B. conventional
C. characteristic
D. influential
【单选题】
Tom tried to justify his absence from the meeting by ___ that he had been ill that day.
A. admitting
B. advocating
C. claiming
D. citing
【单选题】
___ the huge financial benefits, biological companies have been rushing to set up laboratories and new research projects.
A. Aware
B. Aware of
C. Not aware
D. Not aware of
【单选题】
Unfortunately, ___ lack of funds, the studies he began just two months ago, had to be ended early.
A. out of
B. in addition to
C. owing to
D. to begin with
【单选题】
With a good command of English, he soon got ___ to working with British people.
A. accustomed
B. consistent
C. relevant
D. responsible
【单选题】
What needs to be ___ here is that language and culture interact, and that understanding of one requires understanding of the other.
A. altered
B. stressed
C. aroused
D. committed
【单选题】
Policies and organizations must be created to meet workers’ hopes, and to ___ new problems that inevitably arise between workers and managers.
A. compromise
B. ensure
C. undermine
D. resolve
【单选题】
To keep the wheels of industry turning, we produce consumer goods in endless quantities, and, in the process, are rapidly ___ our natural resources.
A. ignoring
B. collapsing
C. enduring
D. exhausting
【单选题】
As a person who loves peace, he is committed ___ realizing peace between countries.
A. of
B. about
C. for
D. to
【单选题】
Learning how to use chopsticks is easy for me, ___ learning how to conduct myself at the table is quite difficult.
A. whereas
B. however
C. therefore
D. besides
【单选题】
___ that the patient smokes 50 cigarettes a day, it would be reasonable to assume there is some lung damage.
A. To give
B. Giving
C. Given
D. Having given
【单选题】
Kenyan (肯尼亚的) women tend to vote for those who could provide them ___ the necessary food to live on.
A. of
B. with
C. for
D. about
【单选题】
___ all obstacles and failures, the scientist continued doing his experiments day and night.
A. In spite of
B. In contrast to
C. As a matter of
D. As a result of
【单选题】
I’m willing to ___ that a larger car would have cost more, but I still think we should have bought one.
A. withdraw
B. indicate
C. abandon
D. concede
【单选题】
Manufacturing (制造) companies spend millions of pounds on advertisements, trying to ___ customers that their products are better than those of other companies.
A. confine
B. convince
C. depress
D. reconcile
【单选题】
He is not the right person for the project: he is not very technically minded and ___, he does not have the sense of responsibility.
A. instead
B. yet
C. furthermore
D. nevertheless
【单选题】
Death rates declined in many places, partly because of the ___ in hunger.
A. decrease
B. myth
C. obstacle
D. burden
【单选题】
In deciding whether or not a situation is safe, pilots must be taught to assume that the worst will happen, and then to ___ whether there is a risk or not.
A. absorb
B. apply
C. assess
D. occupy
【单选题】
The worker was not worried as he knew that if he gave up the job, there would be ___ opportunities for him to work somewhere else.
A. formative
B. marginal
C. vigorous
D. numerous