相关试题
【填空题】
59.BIM 是指建筑物在设计和建造过程中,创建和使用的“___”。
【单选题】
The word "wag" (Line 1, Para.1) most probably means _________.
A. move
B. shake
C. bite
D. play
【单选题】
The video cameras were used to catch the dogs' responses because ___________.
A. the dogs were put in the wooden boxes
and tested one at a time
B. it was easier to catch the dogs’s response changes in the tail wagging
C. they enabled the dogs’owners to know
about their dogs’; habit
D. the dogs wagged their tails in different
directions when they were in different
moods
【单选题】
When there are no stimuli, a dog will ___________.___
A. wag to the right
B. no wag at all
C. wag to the left
D. wag to the left and then wag to the right
【单选题】
The purpose of doing the experiment is _________.___
A. to train dogs for their owners
B. to help dogs find companion
C. to help people choose their pet dogs
D. to help people judge the mood of dogs
【单选题】
The underlined word "they" in the last sentence refers to __________.___
A. the trainers
B. the systems
C. the researchers
D. the dogs
【单选题】
The new law passed in Rome will ________.___
A. help improve fishing environment
B. stop people from catching goldfish
C. guarantee better conditions for goldfish
D. discourage keeping goldfish at home
【单选题】
People in Rome believe that the civilization of a city can be judged by _________.___
A. awareness of animal protection
B. exchanges with other cities
C. protection of ancient ruins
D. recognition of animal lovers
【单选题】
The underlined word "compassion" in Para 2 is the closest in meaning to __________.___
A. support
B. pity
C. help
D. love
【单选题】
People may break the law in Turin if they ________.___
A. keep their dogs or cats in cars
B. shut their dogs home all day long
C. raise their cats near ancient ruins
D. feed homeless animals in car parks
【单选题】
We can infer from the passage that _________.___
A. the owners can leave their dogs in hot cars
B. the cat only lives in modern life
C. the new law can prevent cruelty to animals
D. the new law gives recognition to the
people who feed homeless cat
【单选题】
If a person finds getting up early a problem, most probably ________.___
A. he is a lazy person
B. he refuses to follow his own energy cycle
C. he is not sure when his energy is low
D. he is at his peak in the afternoon or evening
【单选题】
Which of the following may lead to family quarrels according to the passage?___
A. Unawareness of energy cycles.
B. Familiar monologues.
C. A change in a family member's energy cycle.
D. Attempts to control the energy cycle of other family members.
【单选题】
If one wants to work efficiently at his low point in the morning, he should __________.___
A. change his energy cycle
B. overcome his laziness
C. get up earlier than usual
D. go to bed earlier
【单选题】
You are advised to rise with a yawn and stretch because it will __________.___
A. help to keep your energy for the day's work
B. help you to control your temper early in the day
C. enable you to concentrate on your routine work
D. keep your energy cycle under control all day
【单选题】
Which of the following statements is NOT true?___
A. Getting off to work with a minimum effort helps save one's energy.
B. Dr. Kletman explains why people reach their peaks at different hours of day.
C. Habit helps a person adapt to his own energy cycle.
D. Children have energy cycles, too.
【单选题】
An effective way to prevent the burnout of young athletes is __________.___
A. to increase their sense of success
B. to make sports less competitive
C. to reduce their mental stress
D. to make sports more challenging
【单选题】
According to the passage sport is positive for young people in that __________.___
A. it can help them learn more about society
B. it enables them to find flaws in themselves
C. it teaches them how to set realistic goals for themselves
D. it can provide them with valuable experiences
【单选题】
Many coaches and parents are in the habit of criticizing young athletes __________.___
A. without realizing criticism may destroy their self-confidence
B. in order to make them remember life's lessons
C. believing that criticism is beneficial for their early development
D. so as to put more pressure on them
【单选题】
According to the passage parents and coaches should __________.___
A. help children to win every game
B. pay more attention to letting children enjoy sports
C. train children to cope with stress
D. enable children to understand the positive aspect of sports
【单选题】
The author's purpose in writing the passage is _________.___
A. to persuade young children not to worry about criticism
B. to stress the importance of positive reinforcement to children
C. to discuss the skill of combining criticism with encouragement
D. to teach young athletes how to avoid burnout
【单选题】
As pointed out at the beginning of the passage, people used to think that air pollution _______.___
A. cause widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaged effect on health
D. existed merely in urban and industries areas
【单选题】
As to the greenhouse effect, the author ________.___
A. share the same view with the scientist
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
【单选题】
The underlined word "offset" in the second paragraph could be replaced by _________.___
A. slip into
B. make up for
C. set up
D. catch up with
【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
B. lowering the world's temperature merely a few degrees would lead major farming areas to disaster
C. almost no temperature variations have occurred over the past decade
D. the world's temperature will remain constant in the years to come
【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
B. the burning of fossil fuels
C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient
B. very expensive
C. quite dangerous
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
B. Because TV viewers are totally passive.
C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality
B. people's attitude towards it
C. how we use it
D. when we use it
【单选题】
What regulation was issued by New York State concerning beverage containers?___
A. A fee should be charged on used containers for recycling.
B. Throwaways should be collected by the state for recycling.
C. Consumers had to pay for beverage containers and could get their money back on returning them.
D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
A. be turned into raw materials
B. be separated from other rubbish
C. have a second-life value
D. end up somewhere underground
【单选题】
The key problem in dealing with returned plastic beverage containers is ______________.___
A. how to reduce their recycling costs
B. to sell them at a profitable price
C. how to turn them into useful things
D. to lower the prices for used materials
【单选题】
Recycling has become the first choice for the disposal of rubbish because ______________.___
A. recycling causes little pollution
B. other methods are more expensive
C. recycling has great appeal for the jobless
D. local governments find it easy to manage
【单选题】
It can be concluded from the passage that ____________.___
A. recycling is to be recommended both economically and environmentally
B. local governments in the U.S. can expect big profits from recycling
C. rubbish is a potential remedy for the shortage of raw materials
D. landfills will still be widely used for waste disposal
【单选题】
The author chose to study engineering at a small liberal-arts university because he ________.___
A. intended to be a sensible student with noble ideals
B. wanted to be an example of practicality and rationality
C. intended to be a combination of engineer and humanist
D. wanted to coordinate engineering with liberal-arts courses in college
【单选题】
According to the author, by interacting with people who study liberal arts, engineering students can __________.___
A. broaden their horizons
B. receive guidance in their careers
C. become noble idealists
D. balance engineering and the liberal arts
【单选题】
In the eyes of the author, a successful engineering student is expected ______________.___
A. to be imaginative with a value system to guide him
B. to be a technical genius with a wide vision
C. to have an excellent academic record
D. to be wise and mature
【单选题】
The author's experience shows that he was ________.___
A. creative
B. ambitious
C. irrational
D. unrealistic
推荐试题
【填空题】
生产经营单位应当在有较大危险因素的生产经营场所和有关设施、设备上,设置明显的___。
【填空题】
安全设备的设计、制造、安装、使用、检测、维修、改造和报废,应当符合___。
【填空题】
生产经营单位必须对安全设备进行___维护、保养,并定期检测,保证正常运转。维护、保养、检测应当作好记录,并由有关人员签字。
【填空题】
生产经营单位对___应当登记建档,进行定期检测、评估、监控,并制定应急预案,告知从业人员和相关人员在紧急情况下应当采取的应急措施。生产经营单位应当按照国家有关规定将本单位重大危险源及有关安全措施、应急措施报有关地方人民政府安全生产监督管理部门和有关部门备案。
【填空题】
生产经营单位应当建立健全生产安全事故隐患排查治理制度,采取技术、管理措施,及时发现并消除事故隐患。事故隐患排查治理情况应当如实记录,并向___通报。
【填空题】
生产经营单位应当教育和督促从业人员严格执行本单位的安全生产规章制度和安全操作规程;并向从业人员如实告知作业场所和工作岗位存在的___。
【填空题】
生产经营单位必须为从业人员提供符合国家标准或者行业标准的___,并监督、教育从业人员按照使用规则佩戴、使用。
【填空题】
生产经营单位的安全生产管理人员应当根据本单位的生产经营特点,对安全生产状况进行经常性检查;对检查中发现的安全问题,应当___;不能处理的,应当及时报告本单位有关负责人,有关负责人应当及时处理。检查及处理情况应当如实记录在案。生产经营单位的安全生产管理人员在检查中发现重大事故隐患,依照上述规定向本单位有关负责人报告,有关负责人不及时处理的,安全生产管理人员可以向主管的负有安全生产监督管理职责的部门报告,接到报告的部门应当依法及时处理。
【填空题】
两个以上生产经营单位在同一作业区域内进行生产经营活动,可能危及对方生产安全的,应当签订___,明确各自的安全生产管理职责和应当采取的安全措施,并指定专职安全生产管理人员进行安全检查与协调。未签订安全生产管理协议或者未指定专职安全生产管理人员进行安全检查与协调的,责令限期改正,可以处五万元以下的罚款,对其直接负责的主管人员和其他直接责任人员可以处一万元以下的罚款;逾期未改正的,责令停产停业。
【填空题】
从业人员有权对本单位安全生产工作中存在的问题提出___;有权拒绝违章指挥和强令冒险作业。
【填空题】
从业人员发现直接危及人身安全的紧急情况时,有权停止作业或者___撤离作业场所。
【填空题】
从业人员发现事故隐患或者其他不安全因素,应当立即向现场安全生产管理人员或者___报告;接到报告的人员应当及时予以处理。
【填空题】
任何单位或者个人对事故隐患或者安全生产违法行为,均有权向___报告或者举报。
【填空题】
危险物品的生产、经营、储存、运输单位以及矿山、金属冶炼、城市轨道交通运营、建筑施工单位应当配备必要的___,并进行经常性维护、保养,保证正常运转。
【填空题】
事故抢救过程中应当采取必要措施,避免或者减少对___造成的危害。任何单位和个人都应当支持、配合事故抢救,并提供一切便利条件。
【填空题】
事故调查处理应当按照科学严谨、依法依规、实事求是、注重实效的原则,及时、准确地查清事故原因,查明事故性质和责任,总结事故教训,提出整改措施,并对事故责任者提出处理意见。事故调查报告应当依法及时___。
【填空题】
生产经营单位与从业人员订立协议,免除或者减轻其对从业人员因生产安全事故伤亡依法应承担的责任的,___;对生产经营单位的主要负责人、个人经营的投资人处二万元以上十万元以下的罚款。
【填空题】
生产经营单位的从业人员不服从管理,违反安全生产规章制度或者操作规程的,由生产经营单位给予批评教育,依照有关规章制度___;构成犯罪的,依照刑法有关规定追究刑事责任。
【填空题】
【重大责任事故罪;强令违章冒险作业罪】在生产、作业中违反有关安全管理的规定,因而发生重大伤亡事故或者造成其他严重后果的,___;情节特别恶劣的,处三年以上七年以下有期徒刑。强令他人违章冒险作业,因而发生重大伤亡事故或者造成其他严重后果的,___;情节特别恶劣的,处五年以上有期徒刑。
【填空题】
城市轨道交通运营险性事件是指在城市轨道交通运营过程中因隐患排查治理不到位造成风险失控而发生的,对城市轨道交通运营安全和服务造成较大影响的事件。达到国务院规定的事故等级的,按国务院规定的等级和分类标准,分为___。
【填空题】
发生运营险性事件的,城市轨道交通运营单位___应在___向城市轨道交通运营主管部门报告。其中构成特别重大和重大运营安全事故的,按照国务院规定报告。
【填空题】
运营单位应组织设备供应商以及相关责任单位对运营险性事件开展技术分析,并在运营险性事件发生之日起___形成分析报告。
【填空题】
运营单位应在形成运营险性事件技术分析报告后___,报送至城市轨道交通运营主管部门。
【填空题】
运营单位应___对本单位城市轨道交通运营险性事件的发生情况、发生原因、发展趋势、变化规律,以及既往运营险性事件整改及防范措施实施效果等进行总结评估,形成书面报告并及时报送至城市轨道交通运营主管部门。
【填空题】
城市轨道交通运营主管部门应督促运营单位及时对本单位发生的运营险性事件制作___等多种形式的安全警示材料,开展警示教育活动。安全警示片内容应包括运营险性事件基本情况、主要原因、造成后果、经验教训等。
【判断题】
混合酸滴定可行性的判断依据是C'aK'a≥10-8,C''aK"a≥10-8。
【判断题】
水解盐类直接滴定法的判据是根据盐类由强(弱)酸弱(强)碱组成的解离度的大小。
【判断题】
选择指示剂时,主要以滴定曲线上的pH突跃范围为依据,只要指示剂的变色范围全部或部分落在滴定突跃范围内,都可保证测定有足够的准确度。
【判断题】
配位化合物中心原子和配位体时共价键结合的。
【判断题】
氨羧配位剂是一类分子中含有胺基和羧基基团的有机螯合试剂的总称。
【判断题】
在pH=2.0的水溶液中乙二胺四乙酸的最主要存在形式是H2Y。
【判断题】
EDTA多与金属离子形成无色配合物,因此有利于滴定分析。
【判断题】
在测定含镁的钙溶液时,若溶液pH值控制不当造成的,用EDTA法测定结果偏高的主要原因是被测离子水解,对被测离子配位平衡的影响。
【判断题】
EDTA的酸效应系数可用公式计算: 。
【判断题】
毛细管色谱柱的分流的作用是防止柱可以不用分流而直接进样。
【判断题】
大口径(≥0.53mm)的毛细管色谱柱可以不用分流而直接进样。
【判断题】
气相色谱用的分流/不分流进样口是毛细管GC最常用的进样口,它在分流出口只要装一个流量调节阀即可使用。
【判断题】
毛细管气相色谱法的分流比必须要通过实验来选择。
【判断题】
高效液相色谱仪工作的基本流程是高压输液系统提供高压稳定的流动相,流动相先将试样带入预柱、色谱柱进行分离,然后将分离后的各组分带入检测器进行检测,检测到的信号被送至工作站记录、处理和保存。