短文判断 电力职称英语习题

短文判断：

1. Feature of power generation

The simultaneousness of(s) The eletric can be stored. × The power system is made up of 4 parts.√ The unification of power system√

A power system is an undivided integer.√ The power network can operate × A link line is called a √ A link line is formed a × An electric power netword √ The main network frame is ×

The networks are not closely linked×

2. Types of circuit breaker The high voltage circuit(s) Contactors,arc-exitinguishing elements√ The insulation srructure√

The are-exitinguishing medium× An oil circuit breaker√ A vacuum circuit breaker× A pure SF6 gas×

The insulation strength√

An oil minimum circuit breaker is very√ An oil minimum circuit breaker has bad× An oil minimum circuit breaker is one of√

3. Optical fiber communication Optical fiber communication(S) A kind of information√ The composite fiber groud wire× One of the transmission tasks√ Opical fiber commuication√ Large capacity of communication× The communication capacity of optical× The carrier frequency of power√

The carrier frequency of microwave is between× The main problem of the fiber√ The cables made by×

4.Selection of metal … Taking a general view(S) The 1000MW grade high-effic… √ The temperature of main steam…× The tube wall temperature of √ The anti-high temperature steam√ The anti-high temperature flue gas× The temperature limited of T91 593.√ The temperature limited of T92 620.× The temperature of austenite steel√ The temperature limited of austenite× Only heat-resisting steel can be .×

5. The role of the condenser

1A condenser is heat exchanger√ It is suggested that the water shou√ The saturation temperature would not× It is unnecessary to reduce× The condenser does not control× The important facor controlling√

The temperature of cooling water will√ The temperatur dififference means the√ The temperature increase of the × The exhaust steam temperature ×

6.Business and risks Marx once quoted a famous(S)

The work Capitalism is√ For 20% profit ,capital will× For 100%,capital dares √ For 200%,capital dares to×

The pursuit of profit forces human √ The pursuit of profit is much × There are two ownerships √ Only bright manufacturer ×

7.Undersea life

The undersea world is(s) Everything under the sea √ Now people can dive into√ You can stay in deep blue√ It is warm but dark × Under about 3000 feet √ Many fish under deep water× The sea is a dangerous place√ Deep sea animals must follow √

8. Advice on friendship We all need friends.(s) people can’t live well if √ If you want to keep a friend√ Cooking some soup for a sick √ If you have a close friend × If you want to be a loyal √

9. Australia is a vast (S) Australia is a large country× The majority of people √ The delivery of provide × The attempt to provide √

The schoolwork was delivered×

10. Biomass is cost-effective(S) As a source of energy √

One of the advantages of using √ Biomass doesn’t produce ×

Despite its advantages ,biomass is not √ Only trees and crops ×

11. Nuclear radiation (S)

The mystery about nuclear radiation√ We cannot sense radio × Common radio waves are √ Even at the lowest levels × Victims of nuclear radiation √

12. Livestock’s Long Shadow When you think about the (S) With the increase of human population × It was not until the publication of × Rain forests are decreasing as a result√ The global livestock contribute√ According to the passage, ×

13. Pain management Years ago,doctors often(S) Pain is a natural × Today ,it is believed √

To provide a comprehensive √ Our respect for pain×

The drugs which helped √

14. The obama …… Among the criticisms (S) The Obama administration’s bank × The world float ..move without an aim× According to the author√

The bailout plan is so complex× The last paragraph indicates that √

15.Transmission of Electricity In developed countries ×

Usually the generating plants × The transmission network can √

In the substation the power is √ At the service location, ×

16. Renewable Energy

Concerns on climate change √ A plan of the use of energy in× Scientists are sure that by × Renewable energy can not be √ In the coming 25 years there will √

17. Electrc Power Industry

Electric power companies only × Electric power industry is generally √When electricity provision is√

All forms of electricity generation √ Renewable energy and distributed ×

18.Power Enterprises

Power enterprises is an industrial √ Power system consists of power √ Power enterprises is a dependent× The main task of power enterprises √The power production,circulation ×

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