短文判断Passage 1 Feature of power generationThe simultaneousness of the electric power generation means that the electric power generation,Transmission, transformation, distribution and utilization must be performed at the same instant. The electric1.They electric power can stored. (wrong)2.The power system is made up of 4 parts. (right)3.The unification of power system equipment is formed by 4 equipments. (right)4. A power system is an undivided integer. (right)5.The power network can operate normally without the integration of other 3 equipments. (wrong)6. A link line is called a transmission line. (right)7. A link line is formed by 3 power networks. (wrong)8.An electric power network is simply called a power network.(right)9.The main network frame is formed by a weak EHV system. (wrong)10.The networks are not closely linked with each other.(wrong)Passage 2 Types of circuit breakerThe high voltage circuit breaker is mainly composed of contactors, are-extinguishing elements, insulation material, operating mechanism. The insulation1.Contactors,are-extinguishing elements, insulation material and operating mechanism form the high voltage circuit breaker.(right)2.The insulation structure is made up of 3 parts.(right)3.The are-extinguishing medium can be divided into only 3 parts.(wrong)4.An oil circuit breaker means a circuit breaker with oil as are-extinguishing and insulation medium.(right)5. A vacuum circuit breaker is not a circuit breaker with close and open contactors in high vacuum.(wrong)6. A pure SF6 gas is not a food are-extinguishing medium.(wrong)7.The insulation strength of SF6 gas is higher than air and vacuum.(right)8.An oil minimum circuit breaker is very safe in use.(right)9.An oil minimum circuit breaker has bad heat dissipation capability.(wrong)10.An oil minimum circuit breaker is one of the mostly used circuit breakers in the power grid.(right)Passage 3 Optical fiber communicationOptical fiber communication is a kind of information communication by optical fiber. In power system, the composite optical fiber ground wire ground wire or OPGW is widely1. A kind of information communication is optical fiber communication.(right)2.The composite optical fiber ground wire is seldom used in power system.(wrong)3.One of the transmission tasks of the optical fiber main network is to transmit administration telephones from power system.(right)4.Optical fiber communication has been the important communication method in power communication system.(right)rge capacity of communication is not one of the advantages of optical fiber communication.(wrong)6.The communication capacity of optical fiber is indirectly proportion to the carrier frequency.(wrong)7.The carrier frequency of power line is more than 300kHz.(right)8.The carrier frequency of microwave is between 3000Mha and 500MHz.(wrong)9.The main problem of the fiber-optic channel is the high price of fiber-optic equipment(right)10.The cables made by optical fiber are not expensive.(wrong)Passage 4 WInd EnergyWind energy is a clean, renewable energy source and offers many1. Wind energy is now the first fastest growing energy source in the world. (wrong)2. Wind energy pollutes air as heavily as other power plants using fossil fuels(wrong)3. Atmospheric emissions can cause many healthy problems. (Right)4. Water is very important in producing nuclear power. (Right)5. There is no need of water for producing wind energy. (Right)6. Like other energy resources, wind power is also exhaustible(wrong)7. Wind energy can be produced as long as the sun shines and the wind blows(Right) Passage5 The role of the condenserThe condenser is a surface heat exchanger in which cooling water passing through the tubes removes the vaporization heat from the exhaust steam which is passing over1. A condenser is a heat exchanger removing the vaporization heat from the exhaust steam and condensing the exhaust steam into water.(right)2.It is suggested that the water should not be cooled below the saturation temperature.(right)3.The saturation temperature would not remove excess energy from the system and reduce the overall efficiency.(wrong)4.It is unnecessary to reduce the steam to water so that it can be pumped back through the system.(wrong)5.The condenser does not control back-pressure at the turbine exhaust.(wrong)6.The important factor controlling the turbine backpressure is the temperature of the cooling water passing through the condenser tubes.(right)7.The temperature of cooling water will increase its temperature between 15oF and 20oF as it passes through the condenser.(right)8.The terminal difference means the temperature difference between the cooling waterand the turbine exhaust steam.(right)9.The temperature increase of the cooling water and the terminal difference depend on 3 factors.(wrong)10.The exhaust steam temperature does not rely on the temperature of the cooling water which enters the condenser.(wrong)Passage6 Every employee today needs to be on the lookout to avoid becoming1. The evaluation of your marketability (right)2. Every three months you should make (wrong)3. Your employer will give you more(wrong)4. Employees need to grow and(right)5. Becoming a part of a cross-functional(right)6. You should know clearly whom you can (right)7. Your qualities are not as important as your (wrong)Passage 7 Allen SpecIn many parts of the world, alien species are harming the environment1. An alien species refers to something that has moved to a new place from its original place. (right)2. All the alien species has been introduced to new areas purposely by people (wrong)3. Alien species will bring some change for local plants(right)4. Zebra mussels lived originally in the Great Lakes of North Americ (wrong)5. Zebra mussels were discovered on a Russian cargo ship in 1986 (wrong)6. Many important rivers ih the world are found with zebra mus (wrong)7. Zebra mussels can make great damage to pipes of power stations. (right)Passage 8 Have a Safe TripPeople visit other countries for many reasons.1. One important thing for traveling is to pay attemtion to safetyA. RightB. Wrong2. In one's own country everyone around him is friendly and helpfulA. RightB. wrong3. You should prepare everything well before you start your tripA. RightB. wrong4. Before traveling. make sure your visa and passport are usableA. RightB. wrong5.It's reasonable for you to buy proper medical insurance for your trip.A. RightB Wrong6. Keep your medicine in its original container.A. RightB. Wrong7. It's easy to make explanation of your carried medicine to customers officioA. RighB. WrongPassage 9 AustraliaAustralia is a vast contient,the sixth largest in the world.1.Australia is a large country and has a relatively lagre population. (wrong )2.The majority of people living in Australia are city dwellers. (right)3.The delivery of education services to people living (wrong )4.The attempt to provide educational services to distant dwellers (right)5.The schoolwork was delivered and returned through sealed. (wrong ) Passage 10 Malatalning a Healthy Body Image1. In the technology age, media have great infuence on young peopl2. Some teens are trying their best to get ideal body image portrayed by mediA RightB. Wrong3. Starving and over-exercising are helpful to keep ideal perfect body for a longA. RightB. Wrong4. There is no negative effect for teens to use drugs to control their weightA. RightB. Wrong5. Going to extremes can make teens become slim, fit, and stay healthy.A. RightB. wrongPassage 11 Nuclear radiationNuclear power,′s danger to health, safety, and1、The mystery about nuclear radiation(Right)2、We cannot sense radio activity without(wrong)3、Common radio waves are harmless to(Right)4、.Even at the lowest levels, radiation(wrong)5、Victims of nuclear radiati0n may die(Right)Passage 12 Livestock′s Long shadowWhen you think about the growth of human1、With the increase of human population(wrong)2、It was not big the number of (wrong)3、Rain forests are decreasing as a result(Right)4、The global livestock contribute more(Right)5、According to the passage ,the only(wrong)Passage 13 Pain managementYears ago, doctors often said that pain was1、Pain is a natural part of aging(wrong)2、Today, it is believed that chronic(Right)3、To provide a comprehensive therapy(Right)4、Our respect for pain management(wrong)5、The drugs which helped patients(Right)Passage 14While small businesses don't operate on the same scale as big1、Big companies can respond to market changes more quickly than small busi(wrong )2. Small businesses have more meaningful interactions and more pure passion.3. Small businesses can make local economy more resilient.4. All the small businesses will provide people with part-time jobs(wrong )5. Owners of small businesses are often directly involved with their customerPassage 15 Transmission of ElectricityElectricity in a remote location might be provided by a simple distribution grid1. In developes, the traditional paradigm for moving electricity around is very (wrong )2. Usually the generating plants are very large and located near heavily populated area (wrong )3. The transmission network can move the power over long distances to its wholesale custo(Right)4. In the substation the power is stepped down from (Right)5. At the service location, the power is stepped down again from the service voltage to distributionvoltage (wrong )Passage 16 Renewable EnergyClimate change concems, coupled with high oil prices, peak oil and increasing governmet1. Concerns on climate change are driving increasing renewable energy legislat(Right)2. A plan of the use of energy in 2030 has been made by power companies. (wrong )3. Scientists are sure that by 2030 all the energy will come from wind and solar pow(wrong )4. Renewable enengy can not be used out and will exist for ever(Right)5. In the coming 25 years there will be s& trillion investment in non-renewable resource(Right)Passage 17 Electric Power IndustryThe electric power industry is commonly split up into four processes. These are electn1. Electric power companies only own the infrastructure of generating sta (wrong )2. Electre power industry is(Right)3. When electricity provision is deregulated, (Right)4. All forms of electricity generation have both advantages and disadvan(Right)5. Renewable energy and distributed generation are not viable in ec (wrong )Passage 18 Power EnterprisesPower enterprise is an industrial enterprise engaging in the activities of power prod1.Power enterprise is an industrial enterprise that produces and sells electric ener(Right)2. Power system consists of power generation, power transformation, (Right)3. Power enterprise is a dependent economic unit combing industry with comme (wrong )4. The main task of power enterprises is to provide users with sufficient, (Right)5. The power production, circulation and consumption processes are a separable integrity (wrong )短文判断Passage 1 Feature of power generationThe simultaneousness of the electric power generation means that the electric power generation,Transmission, transformation, distribution and utilization must be performed at the same instant. The electric1.They electric power can stored. (wrong)2.The power system is made up of 4 parts. (right)3.The unification of power system equipment is formed by 4 equipments. (right)4. A power system is an undivided integer. (right)5.The power network can operate normally without the integration of other 3 equipments. (wrong)6. A link line is called a transmission line. (right)7. A link line is formed by 3 power networks. (wrong)8.An electric power network is simply called a power network.(right)9.The main network frame is formed by a weak EHV system. (wrong)10.The networks are not closely linked with each other.(wrong)Passage 2 Types of circuit breakerThe high voltage circuit breaker is mainly composed of contactors, are-extinguishing elements, insulation material, operating mechanism. The insulation1.Contactors,are-extinguishing elements, insulation material and operating mechanism form the high voltage circuit breaker.(right)2.The insulation structure is made up of 3 parts.(right)3.The are-extinguishing medium can be divided into only 3 parts.(wrong)4.An oil circuit breaker means a circuit breaker with oil as are-extinguishing and insulation medium.(right)5. A vacuum circuit breaker is not a circuit breaker with close and open contactors in high vacuum.(wrong)6. A pure SF6 gas is not a food are-extinguishing medium.(wrong)7.The insulation strength of SF6 gas is higher than air and vacuum.(right)8.An oil minimum circuit breaker is very safe in use.(right)9.An oil minimum circuit breaker has bad heat dissipation capability.(wrong)10.An oil minimum circuit breaker is one of the mostly used circuit breakers in the power grid.(right)Passage 3 Optical fiber communicationOptical fiber communication is a kind of information communication by optical fiber. In power system, the composite optical fiber ground wire ground wire or OPGW is widely1. A kind of information communication is optical fiber communication.(right)2.The composite optical fiber ground wire is seldom used in power system.(wrong)3.One of the transmission tasks of the optical fiber main network is to transmit administration telephones from power system.(right)4.Optical fiber communication has been the important communication method in power communication system.(right)rge capacity of communication is not one of the advantages of optical fiber communication.(wrong)6.The communication capacity of optical fiber is indirectly proportion to the carrier frequency.(wrong)7.The carrier frequency of power line is more than 300kHz.(right)8.The carrier frequency of microwave is between 3000Mha and 500MHz.(wrong)9.The main problem of the fiber-optic channel is the high price of fiber-optic equipment(right)10.The cables made by optical fiber are not expensive.(wrong)Passage 4 Power plantAccording to the mode of energy conversion, power plants can be classified into fossil-fired, hydraulic, nuclear, wind, solar, geothermal and tide power plants and so1.Base on energy conversion, power plants are divided into more than 7 categories.(right )2. A power plant tries to transform energy source into electric power. (wrong )3.The power plant generating electricity and supplying steam is called a co-generation plant. (right )4. A power net plan for short and medium term is one of factors in selecting a site (wrong)5.Two important factors for a new plant plan are fuel supply and ash disposal.(right)6.Environmental protection is less considered in building a new power plant(wrong)7.Water sources and transportation conditions are not needed to consider in selecting a new site(wrong)8.The total capacity in a newly scheduled plant arranges from 1200MW to 3600MW(right)9.The number of units exceeds more than six.(wrong)10.The ranks of capacity should be limited within two.(right)Passage 5 Selection of metal material for the boiler in units of 1000MW gradeTaking a general view of the 1000MW grade high-efficiency supercritical unit designed and made in China, the temperature of main steam and reheated steam are1.The 1000MW grade high-efficiency supercritical unit is designed and made in China.(right)2.The temperature of main steam and reheated steam reach basically between 570 to 650℃.(wrong)3.The tube wall temperature of superheater and reheater can reach more than 600 to 650 ℃(right)4.The tube wall temperature steam oxidation performance at tube inner surface is highly demanded.(rig ht)5.The anti-high temperature flue gas corrosion performance at tube outside surface is not highly demanded.(wrong)6.The temperature limit of T91 for use is about 593℃（right）7.The temperature limit of T92 for use is less than 620℃（wrong）8.The temperature of austenite stainless steel for normal use is about 650℃（right）9.The temperature limit of austenite stainless steel is less than 700℃（wrong）10.Only heat-resisting steel can be adopted for use.(wrong)Passage 6 The role of the condenserThe condenser is a surface heat exchanger in which cooling water passing through the tubes removes the vaporization heat from the exhaust steam which is passing over1. A condenser is a heat exchanger removing the vaporization heat from the exhaust steam and condensing the exhaust steam into water.(right)2.It is suggested that the water should not be cooled below the saturation temperature.(right)3.The saturation temperature would not remove excess energy from the system and reduce the overall efficiency.(wrong)4.It is unnecessary to reduce the steam to water so that it can be pumped back through the system.(wrong)5.The condenser does not control back-pressure at the turbine exhaust.(wrong)6.The important factor controlling the turbine backpressure is the temperature of the cooling water passing through the condenser tubes.(right)7.The temperature of cooling water will increase its temperature between 15oF and 20oF as it passes through the condenser.(right)8.The terminal difference means the temperature difference between the cooling water and the turbine exhaust steam.(right)9.The temperature increase of the cooling water and the terminal difference depend on 3 factors.(wrong)10.The exhaust steam temperature does not rely on the temperature of the cooling water which enters the condenser.(wrong)Passage 7 Hydraulic structureThe selected type dam of hydraulic power plant depends principally on topographic, geologic, hydrologic, climatic conditions, constructional materials, lay out plan, cost1.The type of dam for hydraulic power plant depends on many factors.(right)2.The main purpose of the dam safety monitoring is to discover the normality of dam in time.(right)3.The equipment installed inside the dam is to discover the normality of dam in time.(wrong)4.Horizontal displacement is more important than vertical displacement.(wrong)5.Temperature stress and strain are the two main monitoring items of dam.(wrong)6.The monitoring method is the suitable points on the dam and its foundation.(right)7.Some monitoring devices are movable for periodical supervision.(wrong)8.The monitoring result result shall be analyzed and studied by computers.(wrong)Passage 8 Heat treatmentThe purpose of post-weld heat treatment is: to diminish the residual stress in the welded joints; to improve the organization and property of the welded joints.1.The post-weld heat treatments have two main purposes.(right)2.One of the purposes is to diminish the residual stress in the welded joints.(right)3.The other purpose is to improve the organization of the welded joints.(wrong)4.The welding crack can be classified into 5 categories.(right)5.To change the internal structure of the work piece is one of purposes for heat treatment.(right)6.There are 5 kinds of steel heat treatment.(wrong)7.The processes of heat treatment include 4 procedures.(right)8.The electric resistance furnace is not widely used.(wrong)9.Heat treatment furnaces are not composed of electric resistance furnace, combustion furnace and surface heating device.(wrong)10.The control device for heat treatment temperature is composed of temperature measuring element, and control device.(wrong)Passage 9 Business and risksMarx once quoted a famous saying in his work capitalism, “once ther’s appropriate profit, capital will become bold. For 10% profit, it will guarantee its being fully1.The work Capitalism is written by Carl Marx.(right)2.For 20% profit, capital will take risks.(wrong)3.For 100%, capital dares to break any human laws.(right)4.For 200%, capital dares to commit any crime and even risks being hanged. (wrong)5.The pursuit of profits forces human beings to take any risks.(right)6.The pursuit of profit is much more encouraged than the pursuit of friendship.(wrong)7.There are two ownerships existing in Chinese economy.(right)8.Only bright manufacturer or manager can predict the future of his enterprises.(wrong)Passage10 ElectricityElectricity may be dangerous. It always takes the shortest way to the ground. So it needs to find something like metal or water to carry it to the ground. These things are1.Electricity is not dangerous as people think.(wrong)2.Dry wood can carry electricity to the ground. u(wrong)3.Conductors like metal or water can carry electricity to the ground.(right)4.Human body is a good conductor because it has 90% water in the body.(wrong)5.You can use a hairdryer far from bath and water.(right)6.Wet hands are good conductors for transmitting electricity.(right)7.The best tool to push a shocked person away from the power is to use a non-conductor.(right)Passage 11 Undersea LifeThe undersea world is very mysterious. In the daytime, there is enough light. Under the sea, everything is blue and green. Today scuba diving is a new sport and many1.Everything under the sea becomes blue and green. (right)2.Now people can dive into the water to explore the secrets of the sea.(right)3.You can stay in deep blue sea for a long time if you have bottles of air on your back. (right)4.It is warm but dark in deeper water. (wrong)5.Under about 3000 feet, there is no light at all. (right)6.Many fish under deep water have eyes like normal fish in water. (wrong )7.The sea is a dangerous place for all organisms.(right)8.Deep sea animals must follow the rule: to eat or be eaten.(right)Passage 12 Advice on FriendshipWe all need friends. Without friends we may feel empty and sad. It is not difficult for most people to make friends. But you may feel shy and not want to make the first1.People can’t live well if they have no friends. (right)2.If you want to keep a friend forever, you should greet him with a smile.(right)3.Cooking some soup for a sick neighbour makes you’re the sick neighbour feel much better.(right)4.If you have a close friend, It doesn’t matter to be rude to him.(wrong )5.If you want to be a loyal friend, you should understand their ideas and learn from them. (right)Passage 13 AustraliaAustralia is a vast contient,the sixth largest in the world.It is approximately 7700000 square kilometers in size and has a coastline almost 37000 kilometers long.1.Australia is a large country and has a relatively lagre population. (wrong )2.The majority of people living in Australia are city dwellers. (right)3.The delivery of education services to people living in remote areas is unimaginable for almost a century. (wrong )4.The attempt to provide educational services to distant dwellers did not take place until 1916. (right)5.The schoolwork was delivered and returned through sealed roads,regular bus routes and air services in the beginning. (wrong )Passage 14 BiomassBiomass is a cost-effective source of energy.1、.As a source of energy, biomass can bring (Right)2、.One of the advantages of using biomass(Right)3、.Biomass doesn′,t produce enough carbon(wrong)4、4Despite its advantages ,biomass is(Right)5、.Only trees and crops can be used(wrong)Passage 15 Nuclear radiationNuclear power,′s danger to health, safety, and1、The mystery about nuclear radiation(Right)2、We cannot sense radio activity without(wrong)3、Common radio waves are harmless to(Right)4、.Even at the lowest levels, radiation(wrong)5、Victims of nuclear radiati0n may die(Right) Passage 16 Livestock′s Long shadowWhen you think about the growth of human1、With the increase of human population(wrong)2、It was not big the number of (wrong)3、Rain forests are decreasing as a result(Right)4、The global livestock contribute more(Right)5、According to the passage ,the only(wrong) Passage 17 Pain managementYears ago, doctors often said that pain was1、Pain is a natural part of aging(wrong)2、Today, it is believed that chronic(Right)3、To provide a comprehensive therapy(Right)4、Our respect for pain management(wrong)5、The drugs which helped patients(Right)Passage 18 The obama administration′s bank Among the criticisms of the obama administration′s1、The obama administration, bank rescue(wrong)2、The word “float”(Para.3) (wrong)3、According to the author ,ordinary(Right)4、The bailout plan is so complex(wrong)5、The last paragraph indicates that(Right)。