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23101As a chairperson， before holding a meeting， you should also decide who should attend and what the purpose of the meeting is.
23102It is ok that you begin a meeting five to seven minutes after it was scheduleD.
23103In business calls if the person you want is not available， try to leave a message as detailed as possible.
23104Contact can be as simple as sending everyone a friendly reminder through office e-mail， phone calls， or a post card reminder through the mail.
23105When making a call， sometimes there will be something wrong with the phone or telephone line.At this moment， you can NOT say：
23106When taking a message in a business call， the caller should leave some basic information except（）.
23107When making a call， sometimes there will be something wrong with the phone or telephone line.Which of the following expressions is not right when expressing the problems？
23108A company structure chart will show the jobs， listed by job title， the reporting structure， and company management.
23109Subsidiary refers to a company that is owned or controlled by another larger company， i.e.parent company.
23110In the mode of "；STAR"；， the letter "；A"； stands for（）.
23111Which of the following is NOT a frequently-asked question in the job interview？
23112What are the basic elements in a resume？
23113This course aims to develop students’；proficiency in the use of English knowledge and skills in a wide range of business environments.
23114设事务T1和T2，对数据库中的数据A进行操作，请问哪一种不会发生冲突操作（）。
23115已知事务T1的封锁序列为：LOCK S（A）…LOCK S（B）…LOCK X（C）…UNLOCK（B）；…UNLOCK（A）；…UNLOCK（C）事务T2的封锁序列为：LOCK S（A）；…UNLOCK（A）；…LOCK S（B）…LOCK X（C）；…UNLOCK（C）；…UNLOCK（B）则遵守两段封锁协议的事务是（）
23116设一个关系为R（A，B，C，D，E），它的最小函数依赖集为FD={A→B，C→D，（A，C）→E}，则该关系的候选码为（）。
23117已知关系模式R（A，B，C，D，E）及其上的函数依赖集合F＝{A→D，B→C；，E→A }，该关系模式的候选码是（）。
23118在柔性制造系统中，常常用连接在转轴末端安装增量编码器，通过光栏板上A、B狭缝的光线转化成电信号检测转轴的角位移和转速，以下说法正确的是（）。
23119The mammalian cell as a microorganism；-genetic and biochemical studies in vitro puck， Theodore T.（Theodore Thomas） xi，219p.illus6px.ISBN 0-816-26980-7 San Francisco，Holden-Day 1972 该文献类型为期刊论文。
23120根据染色体大小和着丝粒位置，将人类染色体分为A、B、C、D、E、F、G七组，其中X染色体位于C组，Y染色体位于G组。（）
23121Obesity is a medical condition in which excess body fat has accumulated to exceed 25% of the standard body weight.。
23122DRIs can be used as a scale to estimate the nutrient quality and quantity， also as a goal for reasonable dietary intake.。
23123Dietary reference intakes（DRIs） is established by a comprehensive physiological and biochemical determination of experiment animals.。
23124（）is established by a comprehensive physiological and biochemical determination of human body.
23125Protein from food or a protein supplement acts the same in the body.。
23126（）是基本母核为2-苯基色原酮的，这样一系列化合物，现在又指两个苯环，A环与B环，通过中央三碳链相互联结而成的，具有C6-C3-C6基本骨架的一系列化合物。
23127Egg yolk contains lecithin which acts a an emulsifier.It can be used to stabilize emulsions.Adding egg yolk to a mixture of oil and water prevents the two liquids from separating.。
23128during the fats digestion， bile acid has a pivotal role in emulsification and hydrolysis of triacylglycerides.（）。
23129一般事故分为A类事故、B类事故、C类事故、一般D类事故.。
23130R&；D指在科学技术领域，为增加知识总量以及运用这些知识去创造新的应用进行的系统的创造性的活动，包括基础研究、应用研究、试验发展三类活动。
23131Hyperinflation is a very high， rapid， and continuous（）， within which the prices of goods and services quickly rise to a level so high.
23132Venezuela， a country located in north of（）， once has been one of the world'；s largest exporters of oil and has the world'；s largest（）.
23133The term Dutch Disease was coined in（）to explain a sharp decline in the Dutch economy following their discovery of（）in 1959.
23134After 1973， by linking the dollar to oil， a direct consequence of fighting in oil-producing countries is the soaring oil prices， which means（）for the dollar.
23135Within the Bretton Woods system， the United States promised to exchange the dollars for gold at a fixed rate of（）dollars per ounce.
23136In 1974 the United States made a deal with（）for a military alliance， which thus led to the petroleum trade being priced in the U.S.dollars.
23137By（）， with the imported oil accounting for 80%， China is almost becoming a country totally dependent on imported oil.
23138Before fossil fuels were exploited and applied on a large scale，（）the main source of energy in ancient China.
23139The poem Old Charcoal Man told us a fact that the royal family， as well as the common people living in cities， need to purchase Charcoal for their（）.
23140It is safer to put type（）polypropylene into a microwave oven.
23141The carbon market is a market in which we trade（）.
23142Countries that rely on oil exports， can suffer from a phenomenon known as the（）.
23143The（）Effect refers to a concept that small causes can have large effects.
23144Hydroelectric facilities might have a major impact on（）.
23145Strong ocean currents are generated from a combination of temperature， wind， salinity， bathymetry， and the rotation of the Earth.The Sun acts as the primary driving force， causing（）.
23146Water wheels are machines that use the energy of（）to turn a wheel.The axle of the turning wheel can then power other machines to do work.
23147The amount of（）that drains into rivers and streams in a geographic area determines the amount of water available for producing hydropower.
23148Floatovoltaics reduce the need of valuable land area， save drinking water that would otherwise be lost through（）， and show a higher efficiency of solar energy conversion， as the panels are kept at a（）temperature than they would be on lanD.
23149A raging river contains（）energy（）a small stream.
23150Most of today’s hydrogen is produced from natural gas through a process called steam methane reforming.This is where steam and（）come together under high temperature to produce hydrogen.
23151The scientists and researchers have mostly decided that using nuclear power plants that are currently online may be able to produce hydrogen fuel as a byproduct of the water that they are already using to cool the（）.
23152（）is an energy form found in nature that has not been subjected to any human engineered conversion process.It is energy contained in raw fuels， and other forms of energy received as input to a system.
23153Pure hydrogen does not occur naturally on Earth in large quantities， and it is locked up in enormous quantities in water， hydrocarbons， and other（）.One of the challenges of using hydrogen as a fuel comes from being able to efficiently extract hydrogen fro
23154Fuel cells are versatile as they can scale up easily and meet a variety of power needs – large or small.You can（）individual fuel cells to increase the amount of power they can provide.The taller the stack， the more power you have.
23155The only products that come out of a fuel cell are（）.No pollution or other dirty byproducts come out of the tailpipe of a fuel cell car.
23156In a flame of pure hydrogen gas， burning in air， the hydrogen reacts with oxygen to form water and releases（）.
23157The 1973 oil embargo and 1979 energy crisis caused a reorganization of energy policies around the world and brought renewed attention to developing solar technologies.
23158Hydropower systems build pressure either by containing the water behind a dam， or within a pipe that runs down a hill.The weight of the water behind the dam or in the pipe creates pressure at the bottom.More height creates more pressure， and more pressure
23159Petroleum and natural gas beneath the ocean floor are also considered a form of ocean energy.
23160Seasonal variations in precipitation and long-term changes in precipitation patterns， such as droughts， have a big impact on hydropower production.
23161Solar panels， wind turbines， hydro power and geothermal energy and hydrocarbons（natural gas or coal） can all be used to produce hydrogen（a primary energy）.
23162Refueling a fuel cell car is more complex and dangerous than with traditional gasoline vehicles.
23163Because the fuel cell is so much more efficient that the internal combustion engine， fueling a fuel cell car can cost around the same as fueling a gasoline car.
23164We are more independent on electricity than we were generations ago so a failure of supply today can have major consequences.
23165A fuel cell is a device that produces electricity from chemical fuels， in just one step.Unlike batteries， fuel cells don’t run down or need recharging.As long as there is a constant source of fuel and oxygen， fuel cells will continue to generate power.And
23166Fuel cell engines（燃料电池发动机） are two to three times more efficient than combustion engines， meaning that much greater fuel economy is available using hydrogen in a fuel cell.
23167Petroleum is a（）mixture of solid， liquid， and gaseous hydrocarbons that occurs naturally beneath the Earth'；s surface.
23168According to a report by British Petroleum（BP）， Large supplies of coal are known to exist（proven reserves） or thought to be available in（）.
23169A tale of two Europes means（）.
23170（）is not a real coal， but only a precursor.
23171Sour oil means oil that contains a relatively high proportion of（）.
23172With proper practice and training， you will become a good speaker.
23173If you are going to give a speech about"；will AI replace human？"；， which of the following opening do you think is better？
23174When your speech call on the audience to do something， a direct question may be effective.It not only creates a common bond between speaker and audience， but also transfers to the audience some of the responsibility for achieving the speaker’s goals.
23175Always remember， a good conclusion should do the following 2 things：（1） Provide a final summary of your central idea and main points； ，（2） Refocus audience attention with a memorable thought or a final clincher.
23176A good opening can NOT：
23177If the topic is “The Evolution along with History of Batman as a Heroic Figure”， which pattern would be the most suitable one？
23178“In Africa， every five seconds， a child dies of starvation” ， which type of opening does it belong to？
23179There is no need for us to write a good concluding part.We just simply need to say “That’s all， thank you” as a concluding part.
23180A good opening can invite the audience into our speech.Here are four major types of openin
23181A good PPT should not b
23182In other words， a good speech topic should bring something new to your listeners.One practical way to find out a proper topic is to do brainstorming.This is a mental exercise that helps you find out new topics.
23183Always remember discussion is； a debate competitive ； you don’t have to defend a particular point of view.An ideal group atmosphere is cooperative， rather than（）.An ideal group member is open-minded， who can interact with fellow group members.
23184There are 6 steps of group discussion.Define the Problem.Define the Problem Establish Criteria for a Workable Solution .Analyze the Problem.Suggest Possible Solutions； .Evaluate Each Solution and Select the Best One.Suggest Ways for Testing or Carrying Ou
23185In a group discussion you should NOT：
23186We should think extremely clearly and cautiously about our ideas to avoid mistakes before we speak in a discussion， and if we canno。
23187A firm eye contact makes your audience feel respected， and makes your words more trustworthy.To speak effectively， you need genuine eye contact， because this allows you to see the audience’s feedback.
23188For people all around the world， accent does not mark language ability， but only marks the speaker’s identity， past experience， culture...In a word， accent ≠ incorrectness.
23189Pause to empasize， like when you are asking a thought provoking question， making a strong statement，at punctuation -longer at footsteps， and shorter at comas.
23190Rhythm.This includes 2 elements：stress and pauses .A good rhythm makes your speech sound natural and comfortable， rather than like a silly machine.
23191Actually， our voice is just a like a big tool box.We have so many tools to use to communicate effectively， which include our：Volume Pace， Pitch &； Tone， Fluency， Rhythm， Pronunciation.
23192As a speaker， you can shout or scream at your audience to show your strong emotio。
23193Speaking fast shows that we have a good command of English， thus is a good thing.
23194If we just keep on talking and talking without thinking about what our listeners would like to hear， we can never make a good speech.Therefore， speaker-centeredness； is the first step of a good speech.
23195With proper analysis on your audience， you can predict what they would like to hear and make adaptations.A successful speaker sometimes can be a mind-reader：he knows exactly what the audience want.
23196If a speaker says something like “leftover women” or “bald”， you might experience a strong emotional reaction that can block out your ability to listen， what should you do？
23197A good speaker is not someone who keeps on talking， but someone who can say what the audience want to hear， and speak properly， attractively and smartly.
23198As a listener， we can just shut our ears when the speaker is not talking about things we are interested in to save more time.
23199Preparing for a speech is always a hard and effort-taking process.It at least takes 30 minutes.
23200As a speaker， you should show your audience that you are an “expert” by adding a lot difficult information in your speech.
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