【单选题】
必须坚持党的( ),既要充分发扬民主,又要善于集中。 ___
A. 集中民主制
B. 民主集中制
C. 多党合作制
D. 全民民主制
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
B
解析
暂无解析
相关试题
【单选题】
党是最高政治领导力量,是推进伟大事业的( )保证。 ___
A. 本质
B. 关键
C. 基本
D. 根本
【单选题】
According to one study, what do green spaces do to people? ___
A. Improve their work efficiently.
B. Add to their sustained happiness.
C. Help them build a positive attitude towards life.
D. Lessen their concerns about material well-being.
【单选题】
What does Dr. White say people usually do to make themselves happier? ___
A. Earn more money.
B. Settle in an urban area.
C. Gain fame and popularity.
D. Live in a green environment.
【单选题】
What does Dr. White try to find out about living in a greener urban area? ___
A. How it affects different people.
B. How strong its positive effect is.
C. How long its positive effect lasts.
D. How it benefits people physically.
【单选题】
What did Dr. White’s research reveal about people living in a green environment? ___
A. Their stress was more apparent than real.
B. Their decisions required less deliberation.
C. Their memories were greatly strengthened.
D. Their communication with others improved.
【单选题】
According to Dr. White, what should the government do to build more green spaces in cities? ___
A. Find financial support.
B. Improve urban planning.
C. Involve local residents in the effort.
D. Raise public awareness of the issue.
【单选题】
The survey by the Kaiser Family Foundation is mentioned to illustrate the idea that . ___
A. kids don’t always follow parents’ rules
B. only few parents believe the good news
C. much media use results in bad health
D. parents’ rules make a huge difference
【单选题】
What did the kids do when parents set any time or content limits, according to the Kaiser Family Foundation? ___
A. They cut down on their screen time.
B. They appreciated their parents’ love.
C. They spent more time staying outdoor.
D. They accepted parents’ rules unwillingly.
【单选题】
What will Kenneth Ginsburg most probably suggest that parents should do? ___
A. Avoid setting firm rules.
B. Avoid ruling with an iron grip.
C. Set rules after family discussion.
D. Set rules that are easy to understand.
【单选题】
Margaret Broe -Fitzpatrick finds it impossible. ___
A. to achieve just- right parenting
B. to keep track of everything done by the kids
C. for the kids to face rules alone
D. for the kids to observe rules without protest
【单选题】
The passage is mainly intended for parents . ___
A. whose kids have difficulty in self- discipline
B. whose kids are addicted to media use
C. who have doubts about setting rules
D. who are too busy to care for their kids
【单选题】
The word “it” (Para. 2) most probably refers to. ___
A. the lack of stable communities
B. the breakdown of informal information channels
C. the increased mobility of families
D. the growing number of people moving from place to place
【单选题】
The main problem people may encounter today arises from the fact that . ___
A. they have to learn new things consciously
B. they lack the confidence of securing reliable and trustworthy information
C. they have difficulty obtaining the needed information readily
D. they can hardly carry out casual communications with an extended family
【单选题】
From the passage we can infer that _______. ___
A. electronic mail will soon play a dominant role in transmitting messages
B. it will become more difficult for people to keep secrets in an information era
C. people will spend less time holding meetings or conferences
D. events will be reported on the spot mainly through satellites
【单选题】
Technology facilitates _______. ___
A. sharing information
B. storing and sending information
C. providing people with easy access to more information
D. all of the above
【单选题】
We can learn from the last paragraph that _______. ___
A. it is necessary to obtain as much
B. people should make the best use of the information
C. we should realize the importance of accumulating information
D. it is of vital importance to acquire needed information efficiently
【单选题】
The author thinks that people are _________. ___
A. satisfied with their appearance
B. concerned about appearance in old age
C. far from neglecting what is in fashion
D. reluctant to follow the trends in fashion
【单选题】
Fashion magazines and TV advertisements seem to link fashion to _________. ___
A. confidence in life
B. personal dress
C. individual hair style
D. personal future
【单选题】
Causes of fashions are _________. ___
A. uniform
B. varied
C. unknown
D. inexplicable
【单选题】
Present-day society is much freer and easier because it emphasizes _________. ___
A. uniformity
B. formality
C. informality
D. individuality
【单选题】
Which is the main idea of the last paragraph? ______________ ___
A. Care about appearance in formal situations.
B. Fashion in formal and informal situations.
C. Ignoring appearance in informal situations.
D. Ignoring appearance in all situations.
【单选题】
Permissive parents would ________. ___
A. let their children read any books they like to
B. not let their children see any films they like to
C. not let their children read any books without first checking their contents
D. let their children see the films with their first checking
【单选题】
The fact that parents check the contents of the book or the film for their children to read or see shows __________. ___
A. the necessity of censorship
B. that many books and films are bad
C. that children need their parents to help them understand more
D. that the parents are permissive
【单选题】
Which of the following statements is NOT true?____________ ___
A. Some adults can’t tell right from wrong.
B. Censorship is compared to the law because both of them perform good service to society as a whole.
C. Censors pay attention only to genuine works of art.
D. Censorship is necessary because many books, plays and films are far from being “works of art”.
【单选题】
What does the word “corrupt” in Para.4 mean?__________ ___
A. Make morally bad.
B. Hurt.
C. Injure.
D. Damage.
【单选题】
What would be the best title of this passage?_____________ ___
A. Permissive Parents and Responsible Parents.
B. Censorship and the Law.
C. Censors Value Artistic Merits .
D. Censorship Performs Good Service to Society.
【单选题】
Lie detectors are widely used in the United States because _____________. ___
A. they can help detect people’s emotional stress
B. they can help detect people's physiological changes
C. they can help find out whether a person is telling the truth or not
D. they can measure the subject’s electrical resistance
【单选题】
According to the passage, we know that Britain______________. ___
A. will adopt lie detectors widely
B. will adopt lie detectors on a smaller scale
C. adopt lie detectors
D. has not decided whether to adopt lie detectors or not
【单选题】
The tests themselves are by no means free from error..." (Line 1-2.Para.3) means ____________. ___
A. the tests definitely have no error
B. the tests sometimes make mistakes
C. the polygraphers do not make mistakes
D. the polygraphers can avoid error by using some techniques
【单选题】
Which of the following is true? ________________ ___
A. The tests are conducted by qualified polygraphers.
B. Innocent people may blush or stammer when questioned.
C. Guilty people can definitely be found out by answer questions
D. Guilty people may escape by refusing to answer questions.
【单选题】
What troubles lie detector researchers most is that _______________. ___
A. innocent people are convicted crimes
B. innocent people will learn to tell lies
C. lie detectors may cause industrial unrests
D. lie detectors are sometimes not dependable
【单选题】
In the passage the author's attitude towards "mixed-ability teaching" is _______. ___
A. critical
B. questioning
C. approving
D. objective
【单选题】
By "held back" (Line 1) the author means _____. ___
A. made to remain in the same classes
B. forced to study in the lower classes
C. drawn to their studies
D. prevented from advancing
【单选题】
The author argues that a teacher's chief concern should be the development of the student's _________. ___
A. personal qualities and social skills
B. total personality
C. learning ability and communicative skills
D. intellectual ability
【单选题】
Which of the following is NOT MENTIONED in the third paragraph? __________ ___
A. Group work gives pupils the opportunity to learn to work together with others.
B. Pupils also learn to develop their reasoning abilities.
C. Group work provides pupils with the opportunity to learn to be capable organizers.
D. Pupils also learn how to participate in teaching activities.
【单选题】
The author's purpose in writing this passage is to ______. ___
A. argue for teaching bright and not-so-bright pupils in the same class
B. recommend pair work and group work for classroom activities
C. offer advice on the proper use of the library
D. emphasize the importance of appropriate formal classroom teaching
【单选题】
According to the author, the deaths among youth are mainly caused by _____. ___
A. traffic accidents
B. smoking-related diseases
C. murder
D. all of these
【单选题】
Every day there are over_____high school students who will become regular smoker. ___
A. 75
B. 23
C. 30
D. 3000
【单选题】
By "dropout" the author means______. ___
A. students who failed the examination
B. students who left school
C. students who lost their way
D. students who were driven out of school
【单选题】
The reason for declining adolescent smoking is that ________. ___
A. NCI has taken effective measures
B. smoking is prevented among high school seniors
C. there are many smokers who have died of cancer
D. not stated
推荐试题
【判断题】
聚合物细粉(小于74微米)的最小爆炸浓度大约为0.10~0.20kg/m3
A. 对
B. 错
【判断题】
气流干燥器的干燥原理主要是利用对流传热
A. 对
B. 错
【判断题】
正常生产情况下,C501需要一定量连续的补充水
A. 对
B. 错
【判断题】
生产均聚产品时D502操作温度是100-120℃
A. 对
B. 错
【判断题】
当D604液位触发LAL60101,D604需要进行补水
A. 对
B. 错
【判断题】
D607废油处理时,只进行TEAL的中和
A. 对
B. 错
【判断题】
TEAL中和是放热反应,所以之前不需要加热引发
A. 对
B. 错
【判断题】
正常操作中,D601,D602,D603是空的
A. 对
B. 错
【判断题】
水分子比丙烯分子小且有极性,所以水分子能进入分子筛的微孔里,达到分离干燥的目的
A. 对
B. 错
【判断题】
从SR301出来的粉料大约含有3%的单体
A. 对
B. 错
【判断题】
无规共聚物的聚丙烯的分子链上乙烯分子大部分是相连的
A. 对
B. 错
【判断题】
D501料位高引起的联锁是I304
A. 对
B. 错
【判断题】
引起K502停的联锁是I504
A. 对
B. 错
【判断题】
D502干燥器高料位,会引发I515联锁,关LV50001
A. 对
B. 错
【判断题】
D604储罐内为2%浓度的乙二醇水溶液
A. 对
B. 错
【判断题】
D502干燥是通过氮气从底部进入形成流化床而进行粉料干燥的
A. 对
B. 错
【判断题】
本装置废水的主要来源是C501和D513
A. 对
B. 错
【判断题】
PA501做功不好,可能是因为压缩机本身有故障
A. 对
B. 错
【判断题】
在联锁正常投用的情况下,停预聚合反应器的小轴流泵会导致三剂流量丧失
A. 对
B. 错
【判断题】
正常情况下,要保证丙烯洗涤塔的洗涤效果,必须要保证洗涤塔的回流流量
A. 对
B. 错
【判断题】
聚丙烯装置尾气排放量减少,装置内累积的不凝气增加,易造成环管反应器轴流泵波动
A. 对
B. 错
【判断题】
环管反应器温度提高,聚合反应加速,催化剂收率和丙烯转化率均不变
A. 对
B. 错
【判断题】
P501A/B,P502A/B水泵出口单向阀装有旁通
A. 对
B. 错
【判断题】
D502有二块放射性仪表
A. 对
B. 错
【判断题】
D501是汽蒸器,操作温度是105℃
A. 对
B. 错
【判断题】
环管反应器轴流泵启动前需确认环管夹套水温度一定要达到70℃
A. 对
B. 错
【判断题】
预接触罐出料不畅,压力升高,不能造成三乙基铝流量波动
A. 对
B. 错
【判断题】
降低环管反应器反应温度可导致产品中无规物含量增加
A. 对
B. 错
【判断题】
高压钢瓶的气体不能全部用完,至少应留有0.1~0.2Mpa的余气
A. 对
B. 错
【判断题】
D502出口湿含量高,不会影响挤压机的操作
A. 对
B. 错
【判断题】
D105B罐中的油因为存有水和氧,所以要进行加热和氮气鼓泡
A. 对
B. 错
【判断题】
丙烯浆料从环管反应器排放到D601时,液相部分被闪蒸通过限流孔板FO60003流向火炬
A. 对
B. 错
【判断题】
汽蒸器临时停车,不需要将D501内物料倒空
A. 对
B. 错
【判断题】
聚丙烯脱水塔干燥分子筛时要求分阶段升温,目的是防止分子筛升温过快而造成破碎
A. 对
B. 错
【判断题】
正常生产时三乙基铝流量的控制模式一般是和环管密度投串级控制
A. 对
B. 错
【判断题】
生产无规共聚产品时,乙烯是以液相加入到环管中
A. 对
B. 错
【判断题】
D607内的废油达到80%时,可以进行汽提和中和反应
A. 对
B. 错
【判断题】
D502料位高报,关闭LV50001
A. 对
B. 错
【判断题】
由于TEAL遇水会爆炸及在空气中自然,因此启动本单元前必须保证所有管线、设备知识、泵和仪表干燥无氧
A. 对
B. 错
【判断题】
TEAL钢瓶为双层密封结构
A. 对
B. 错