小编在这里给大家带来职称英语C级真题，本文共8篇，希望大家喜欢!本文原稿由网友“黑夜狮子”提供。
篇1：职称英语理工类c级考试真题
Graphene's Superstrength
Big technology comes in tiny packages. New cell phones and personal computers get smaller every year, which means these electronics require even smaller components on the inside. Engineers are looking for creative ways to build these components, and they've turned their eyes to graphene, a superthin material, made of carbon, that could change the future of electronics.
This year's Nobel Prize for Physics has been awarded to Andre Geim and Kostya Novoselov from the University of Manchester, UK. for the discovery of graphene. Graphene isn't just small, it's “the thinnest possible material in this world.” says Novoselov. He calls it a “wonder material.” It's so thin that you would need to stack about 25,000 sheets just to make a pile as thick as a piece of ordinary white paper. If you were to hold a sheet of graphene in your fingers, you'd have no idea because you wouldn't be able to see it.
Carbon is one of the most abundant elements in the universe. Every known kind of life contains carbon. Graphene is a sheet of carbon, but only one atom thick. You don't have to look far to find graphene―it's all around you.
If you want this high-tech wonderstuff, all you need is a pencil, paper and a little adhesive tape. Use the pencil to shade a small area on the paper, and then apply a small piece of adhesive tape over the area. When you pull up the tape, you'11 see that it pulls up a thin layer of some of the shading from your pencil. That layer is called graphite, one of the softest minerals in the world.
Now stick the same piece of tape on another sheet of paper and pull the tape up---there should be an even thinner layer, this time left on the paper. Now imagine that you do this over and over, until you get the thinnest possible layer of material on the paper. This layer would be only one atom thick, and you wouldn't be able to see it. Graphite is made of layers of graphene. So when you get to the thinnest possible layer, you've found graphene.
31. What would change the future of electronics according to engineers?
A. Personal computer.
B. Big technology.
C. Graphene.
D. Creative ways.
【答案】：C
32. Which of the following statements about graphene is true ?
A. It is visible to the human eye.
B. It is possibly the thinnest material in the world.
C. It can be used to make paper.
D. Finding it demands time and money.
【答案】：B
33. The word “apply” in paragraph 4 could be used to replaced by ?
A. push.
B. find.
C. collect.
D. put.
【答案】：D
34. What does the writer tell in the last two paragraph ?
A. An easy way to find graphene.
B. Significance of the discovery of graphene.
C. Development of high-tech wonders.
D. Possible applications of graphene.
【答案】：A
35. Graphene's super strength lies in the fact that.
A. It is the thinnest material in the world.
B. It is made of the most abundant elements in the world.
C. It can help to make electronic components smaller.
D. It helps engineers to produce more sensitive electronic products.
【答案】：C
篇2：职称英语理工类c级考试真题
Puerto Rican Cuisine(菜肴)
Puerto Rico, a Caribbean (加勒比海区) island rich in history and remarkable natural beauty, has a cuisine all its own. Immigration(移民) to the island has helped to shape its cuisine, with people from all over the world making various contributions to it. However, before the arrival of these immigrants, the Taino people lived on the island of Puerto Rico. Taino cuisine included such foods as rodents (啮齿动物), fresh shellfish and fish fried in corn oil.
Many aspects of Taino cuisine continue today in Puerto Rican cooking, but it has been heavily influenced by the Spanish, who invaded Puerto Rico in 1508, and Africans, who were initially brought to Puerto Rico to work as slaves. Taino cooking styles were mixed with ideas brought by the Spanish and Africans to create new dishes. The Spanish extended food choices by bringing cattle, pigs, goats, and sheep to the island. Africans also added to the island's food culture by introducing powerful, contrasting tastes in dishes. In fact, much of the food Puerto Rico is now famous for - coffee, coconuts, and oranges - was actually imported by foreigners to the island.
A common assumption many people make about Puerto Rican food is that it is very spicy(辛辣的). lt's true that chili peppers are popular; aij caballero in particular is a very hot chili pepper that Puerto Ricans enjoy. However, milder(微辣的) tastes are popular too, such as sofrito. As the base of many Puerto Rican dishes, sofrito is a sauce made from chopped onions, green bell peppers, sweet chili peppers, and a handful of other spices. It is fried in oil and then added to other dishes.
36、who lived in Puerto Rico first
A.the Africans
B.the Spanish
C.the Americans
D.the Taino people
【答案】：D
37、In the first paragraph the word “it” refers to
A.immigration
B.Caribbean history
C.the island’s natural beauty
D.Puerto Rican cuisine
【答案】：D
38、what is the main idea of the second paragraph?
A.Taino dishes are important in Puerto Rican cooking
B.Food imported by foreigners isn’t really Puerto Rican
C.Puerto Rican cooking has many outside influences
D.African foods have probably had the most influence
【答案】：C
39、How is sofrito used?
A.It is eaten before meals
B.It is added to other dishes
C.It is used where foods are too spicy
D.It is eaten as a main dish
【答案】：B
40、which of the following is NOT true?
A.softito is a type of extremely spicy food
B.Many people think Puerto Rican food is spicy
C.Puerto Rican cuisine uses a lot of chili peppers
D.Aij caballero is a type of chile pepper
【答案】：A
篇3：职称英语理工类c级考试真题
Archive Gallery: The Best of Bionics (仿生学)
Humans might be the most highly-evolved species on the planet, but most animals possess skills we can only dream of having. Imagine how much electricity we could save if we could see in the dark the way cats do. Imagine leaping from tree to tree like a monkey. Giraffes(长颈鹿), which are otherwise calm and good-natured, sleep only 4.6 hours a day.
We realized a long, long time ago that nature provides the best blueprint(蓝图) for invention. We've borrowed canals from beavers(河狸) and reflectors from cat's eyes. Although the words “bionics” became popular only after the 1960s, history shows that nature has always provided ideas on solving everyday problems. Our archives(档案) don't go back to the time of Leonardo da Vinci and his bird-like flying machines, but we can take you to the late 19th century, where we applied those same principles for building our first practical airplanes.
To prepare for their flight at Kitty Hawk, the Wright brothers studied the movements of pigeons to figure out how they stayed high up when they were heavier than air. Their success inspired scores of successors to improve on the airplane by studying various aspects of nature. One of Orville Wright's pupils caught and stuffed seagulls to examine their wingspan. Meanwhile, two French inventors examined spinning sycamore (梧桐) seeds in an effort to apply those same motions, reversed, to a helicopter.
Some examples are more obvious than others. The outside of the airplane designed by the Wright brothers looks like a minimalistic(简单抽象艺术) structure. On the other hand, Barney Connett's fish submarine(潜水艇) actually looks like a fish.
Some bio-inspired concepts have yet to be invented. In the 1960s, the US Army commissioned several university professors to conduct research on the motor skills of animals in hope of applying those same abilities to tanks. Tanks that run like horses or jump like grasshoppers(蚂蚱)- sounds shocking, doesn't it? But imagine how life would change if we could achieve that.
41. “Cats”, “monkeys” and 'giraffes“ mentioned in paragraph 1 are examples to illustrate
A. they are highly-evolved species as humans.
B. animals have skills that humans do not possess.
C. humans can learn animals' skills.
D. they are skillful in different ways.
【答案】：B
42. Which of the following can be found in the archive gallery?
A. First practical airplanes built in the late 19th century.
B. History books.
C. The Wright brothers' sculpture.
D. Leonardo da Vinci's bird-like flying machines.
【答案】：A
43. What happened after the Wright brothers' success?
A. People carried out a systematic study on pigeons.
B. People could fly their airplane for fun.
C. People kept their airplane at a French gallery.
D. People studied more animals and plants to develop the airplane.
【答案】：D
44. Which of the following is true about the research carried out by the US Army?
A. It has changed our life.
B. It has cost a large sum of money.
C. It has improved the abilities of tanks.
D. It has not succeeded yet.
【答案】：C
45. What does the writer want to tell in the passage?
A. Some animals possess unique skills.
B. Many inventions get ideas from nature.
C. People should protect nature.
D. Bionics is far from perfect.
【答案】：B
篇4：职称英语真题理工类c级试题
第5部分，补全短文
Do You Have a Sense of Humor?
Humor and laughter are good for us. There is increasing evidence that they can heal us physically，mentally，emotionally，and spiritually. In fact，every system of the body responds to laughter in some positive，healing way. So how can we get more laughter into our lives?(46)Psychologist and author，Steve Wlison，has some answers.
Many peoplebelieve that we are born with a sense of humor.They think，“either you've got it，or you don't”Dr.Wilson points out that this false.(47)
The parts of brain and central nervous system that control laughing and smiling are mature at birth(48)(After all ，when a baby laughs，we don't rush over and say，“That kid has a great sense of humor!”)A sense of humor is something that you can develop over a lifetime.
Sometimes people think that they don't have a good sense of humor because they are not good joke tellers.Dr.Wilson reminds us that telling jokes is only one of many ways to express humor.(49)Then we will make others laugh，too.
A person who has a true sense of humor is willing and able to see the funny side of everyday life.One of the best definition of a sense of humor is“the ability to see the nonserious element in a situation.”Consider this sign from a sore window.“Any faulty merchandise will be cheerfully replanced with merchandise of equal quality.”The store manager probably placed the sign in the window to impress customers with the store's excellent service.(50)As Dr.Wilson says，“a good sense of humor means that you don't have to be funny;you just have to see what's funny.”
A He advises us to lose our inhibitions(抑制)and try to laugh at ourselves.
B Is it possible to develop a sense of humor?
C However，that does not mean that infants have a sense of humor.
D What is true，however，it that we are born with the capacity to laugh and smile
E Everyone experiences this emotion
F He had a serious purpose，but if you have a sense of humor，you will probably find the sign funny!
答案：BDCAF
第6部分：完形填空(第51~65题，每题1分，共15分)
Citizen Scientists
Understanding how nature responds to climate change will require monitoring key life cycle1 events ― flowering, the appearance of leaves, the first frog calls of the spring ― all around the world. But ecologists can't be everywhere so they're turning to non-scientists, sometimes called citizen scientists, for help.
Climate scientists are not present everywhere. Because there are so many places in the world and not enough scientists to observe all of them, they're asking for your help in observing signs of climate change across the world. The citizen scientist movement encourages ordinary people to observe a very specific research interest ― birds, trees, flowers budding, etc. ― and send their observations to a giant database to be observed by professional scientists. This helps a small number of scientists track a large amount of data that they would never be able to gather on their own. Much like citizen journalists helping large publications cover a hyper-local beat2, citizen scientists are ready for the conditions where they live. All that's needed to become one is a few minutes each day or each week to gather data and send it in.
A group of scientists and educators launched an organization last year called the National Phenology4Network. “Phenology” is what scientists call the study of the timing of events in nature.
One of the group's first efforts relies on scientists and non-scientists alike to collect data about plant flowering and leafing every year. The program, called Project Bud Burst, collects life cycle data on a variety of common plants from across the United States. People participating in the project ― which is open to everyone ― record their observations on the Project Bud Burst website.
“People don't have to be plant experts ― they just have to look around and see what's in their neighborhood,” says Jennifer Schwartz, an education consultant with the project. “As we collect this data, we'll be able to make an estimate of how plants and communities of plants and animals will respond as the climate changes.”
51 A everywhere B anywhere C somewhere D nowher
52 A If B Although C When D Because
53 A giving B showing C developing D observing
54 A special B professional C skillful D ordinary
55 A on B at C to D with
56 A small B limited C smple D large
57 A Very B Much C As D Many
58 A All B Any C Some D Most
59 A send B print C answer D keep
60 A known B featured C belonged D called
61 A alike B like C unlike D likely
62 A points B wonders C data D interests
63 A common B suitable C open D strange
64 A want B forget C mind D have
65 A who B how C before D since
答案：ADDDC BDAAD ACCDB
篇5：职称英语真题理工类c级试题
第4部分，阅读理解
Approaches to Understanding Intelligences
It bays to be smart, but we are not all smart in the same way .You may be a talented musician, but you might not be a good reader. Each of us is different.
Psychologists disagree about what is intelligence and what are talents or personal abilities .Psychologists have two different views on intelligence .Some believe there is one general intelligence .Others believe there are many different intelligences .
Some psychologists say there is one type of intelligence that can be measured with IQ tests .These psychologists support their view with research that concludes that people who do well on one kind of test for mental ability do well on other tests .They do well on tests using words, numbers or pictures. They do well on individual or group tests, and written or oral tests .Those who do poorly on one test, do the same on all tests.
Studies of the brain show that there is a biological basis for general intelligence .The brain of intelligence people use less energy during problem solving .The brain waves of people with higher intelligence show a quicker reaction .Some researchers conclude that differences in intelligence result from differences in the speed and effectiveness of information processing by the brain .
Howard Gardner, a psychologist at the Harvard School of Education, has four children .He believes that all children are different and shouldn’t be tested by one intelligence test .Although Gardner believes general intelligence exists, he doesn’t think it tells much about the talents of a person outside of formal schooling .He think that the human mind has different intelligences .These intelligences allow us to solve the kinds of problems we are presented with in life .Each of us has different abilities within these intelligences .Gardner believes that the purpose of school should be to encourage development of all of our intelligences .
Gardner says that his theory is based on biology .For example ,when one part of the Brain is injured ,other parts of the brain still work .People who cannot talk because of Brain damage can still sing .So ,there is not just one intelligence to lose .Gardner has Identified 8 different kinds of intelligence; linguistic, mathematical, spatial, musical, Interpersonal, intrapersonal, body-kinesthetic(身体动觉的),and naturalistic .
31. What is the main idea of this passage?
A. How to understand intelligence.
B. The importance of intelligence.
C. The development of intelligence tests.
D. How to become intelligent.
32. Which of the following statements is true concerning general intelligence?
A. Most intelligent people do well on some intelligence tests.
B. People doing well on one type of intelligence test do well on other tests.
C. Intelligent people do not do well on group tests.
D. Intelligent people do better on written tests than on oral tests.
33. Gardner believes that ________.
A. children have different intelligences.
B. all children are alike.
C. children should take one intelligence test.
D. there is no general intelligence.
34. According to Gardner, schools should ________.
A. test students’ IQs.
B. train students who do poorly on tests.
C. focus on finding the most intelligent students.
D. promote development of all intelligences.
35. Gardner thinks that his theory has a ________ .
A. musical foundation.
B. biological foundation.
C. intrapersonal foundation.
D. linguistic foundation.
答案：ABADB
Music is one of the most beautiful forms of artistic expression是ever invented. In movies and plays，music has an added function：it not only moves people but also can shock people.
Our eardrums can withstand sound within 20 to 80 decibels(分贝).Once sound exceeds this limit，even beautiful music will become ear-splitting noise and harm health.A strong blast(响声) of high sound can twist and break a solid iron sheet.High sound of 150 decibels can kill a healthy rat.
In movies，sometimes the hero can produce a sound that ordinary people can't hear and only those who have the same ability can feel.In nature，there is actually sound that is beyond our hearing. In physics，the sound that exceeds 0Hz is called ultrasonic(超音波的).Dolphins，whales and bats can make such high-frequency sound.It does no harm to health.
Sound less than 20Hz is called infrasonic(次声)waves. When we move，the air will vibrate. The vibration of air can produce infrasonic wave.As the frequency of infrasonic waves is close to that of people's internal organs，infrasonic wave may cause resonance(共振) in human bodies. As a result，people's vision may weaken and internal organs may rupture(断裂). However，whether an infrasonic wave can be used as a weapon depends on its intensity. If its intensity is very low，it won't damage internal organs or a person's health. If the intensity of inf让sonic wave exceeds 160 decibels，it is extremely harmful. When wind blows at a force of 3 or 4 over the sea，it will produce infrasonic waves of several decibels. Only typhoons can produce infrasonic waves of over 100 decibels. At present，scientists can only produce infrasonic weapons in the lab with the help of advanced scientific tools and powerful electric power.
36 What could be the best title of the passage?
A The power of music
B The harms of noises
C The magic of sound
D The discovery of infrasonic waves
37 What does the author say about music?
A It may be harmful to people's halth
B It always cheers people up
C It is very often difficult to understand
D It sounds better when it is lound enough
38 It is true that the sound
A of nature is the most beautiful
B over 80 decibels is harmful to people
C of high intensity benefits animals
D in movies is pleasing to the ear
39 An ultrasonic sound
A is very loud
B does harm to people's health
C cannot be heard by people
D is produced by the hero in movies
40 It can be found from the last paragraph that infrasonic waves
A are harmless to people's health
B exist in people's internal organs
C can be used as deadly weapons
D can improve eyesight
答案：CABCC
Compact Disks
If someone says to you your music CDs don't really hold any music on them, and they only have numbers recorded on them, you may not believe it. In fact, he is right in that sound is actually recorded onto the CDs as special numbers ― a digital code.1 The code is pressed onto the CD as bumps on a long spiral track almost five kilometers long. These bumps are an average of 0.5 microns wide.
A small laser beam shines onto the bumps as the CD turns. The light is reflected back to a receiver that records how the laser light bounces back. This lets the CD player2 turn the reflected light back into the original code. This means you can hear the original code as music.
Digital codes are used with many technologies. E-mail needs these kinds of code numbers. Space probes communicate with their ground station on earth using digital codes. Bar codes are read as digital codes in computer systems. Digital communications with cell phones need digital codes. Weather radios also tune into specific signals using these codes.
There are many types of compact disks. One format is called CD-RWs. They can be recorded on and re-recorded on(rewritten on)as you would do with a floppy disk3. Another format is the CD-ROM. The technology for recording on these disks is different from other CDs. These CDs have a dye layer that the CD writer can darken or leave clear. The clear and dark spots are the digital code. CD-ROM stands for Compact Disc ― Read Only Memory4. This disk is like a ”super“ floppy disk that can hold lots of information. One CD-ROM can hold the same amount of data as 500 floppy disks. Information is permanently recorded onto it. Computer games and other programs are considered to be CD-ROMs.
CDs were first sold to the public in 1982 These CDs still play well and sound fine. Current CDs are expected to last between 70 to 200 years. Of course, you can make sure your CDs last a long time by taking care of them.
Science keeps on developing. It may not be many more years before a completely new technology is invented5 and introduced to the public for music recording. In the meantime, there is no doubt you will continue to enjoy listening to your favorite music on CDs6 and playing your favorite computer games on CD-ROMs.
41 Music is recorded onto CDs as
A laser beams
B digital codes
C musical notes
D special sounds
42 E-mail is mentioned in the third paragraph to show
A the variety of digital communications
B the development of new technologies
C the usefulness of digital codes
D the relationship between communication and technology
43 One of the differences between CD-RWs and CD-ROMs is
A CD-ROMs can be used for longer time
B CD-ROMs cannot be rewritten on
C CD-RWs hold more information
D CD-RWs are merely used for music recording
44 CDs can last a long time if
A they are seldom used
B they play well and sound fine
C their users take good care of them
D they are developed with new technology
45 It can be inferred from the passage that
A CD-ROMs are more expensive than other CDs
B new technology for music recording is being developed
C the author likes listening to music
D flppy disks are no longer in use
答案：BCBCC
篇6：职称英语理工类c级考试真题
How To Be A Successful Businessman
Have you ever wondered why some people are successful in business and others are not? Here's a story about one successful businessperson. He started out washing dishes and today he owns 168 restaurants.
Zubair Kazi was born in Bhatkal, a small town in southwest India. His dream was to be an airplane pilot, and when he was 16 years old, he learned to fly a small plane.
At the age of 23 and with just a little money in his pocket, Mr. Kazi moved to the United States. He hoped to get a job in the airplane industry in California. Instead, he ended up working for a company that rented cars.
While Mr. Kazi was working at the car rental (租赁的) company, he frequently ate at a nearby KFC restaurant. To save money on food, he decided to get a job with KFC. For two months, he worked as cook's assistant. His job was to clean the kitchen and help the cook. ”I didn't like it,“ Mr. Kazi says, ”but I always did the best I could.“
One day, Mr. Kazi's two co-workers failed to come to work. That day, Mr. Kazi did the work of all three people in the kitchen. This really impressed the owners of the restaurant. A few months later, the owners needed a manager for a new restaurant. They gave the job to Mr. Kazi. He worked hard as the manager and soon the restaurant was making a profit.
A few years later, Mr. Kazi heard about a restaurant that was losing money. The restaurant was dirty inside and food was terrible. Mr. Kazi borrowed money from a bank and bought the restaurant. For the first six months, Mr. Kazi worked in the restaurant from 8 a.m. to 10 p.m., seven days a week. He and his wife cleaned up the restaurant, remodeled the front of the building, and improved the cooking. They also tried hard to please the customers. If someone had to wait more than ten minutes for their food, Mrs. Kazi gave them a free soda. Before long the restaurant was making a profit.
A year later, Mr. Kazi sold his restaurant for a profit. With the money he earned, he bought three more restaurants that were losing money. Again, he cleaned them up, improved the food, and retrained the employees. Before long these restaurants were making a profit , too.
Today Mr. Kazi owns 168 restaurants, but he isn't planning to stop there. He's looking for more poorly managed restaurants to buy. ”I love it when I go to buy a restaurant and find it's a mess,“ Mr. Kazi says. ”The only way it can go is up.“
41. When Mr.Kazi was young, his dreams was to
A. sell cars
B. own a restaurant
C. be an airplane pilot
D. because a good cook
42. Mr.Kazi decided to word with KFC to
A. learn how to cook
B. save money for a car
C. save money on food
D. learn how to run a restaurant
43. Mr.Kazi became the manager of a new restaurant because
A. his co-workers praised him
B. he was a good cook
C. he knew how to run a restaurant
D. he worked very hard
44. To save a failing restaurant, Mr.Kazi did all the following things, EXCEPT to
A. advertize for it
B. clean it up
C. improve the food
D. retrain the employees
45. In the last paragraph, ”it's a mess “means
A. it's small
B. it's dirty
C. it's profitable
D. it's cheap
41 C 第二段里讲得很清楚。
42 C 见第四段里的这句话：To save money on food, he decided to get a job with KFC.
43 D 答题依据可见第五段。
44 A 在第六、七段里都提到他为挽救一个濒临倒闭的饭店所采取的种种措施，其中没有做广告这一项。
45 B mess 的意思就是 ”一团糟“。
篇7：职称英语理工类c级考试真题
The book of life
So far, scientists have named about 1.8 million living species(物种), and that's a just a small part of what probably exists on Earth. With so many plants, animals, and other creatures coveting the planet, it can be tough to figure out what type of spider is moving up your leg or what kind of bird is flying by.
A soon-to-be-started Web site might help. An international team of researchers has announced the creation of Web-based Encyclopedia(百科全书)of life(EOL). The project aims to catalog every species on Earth in a single, easy-to-use reference guide.
To get the encyclopedia started, the creators will use information from scientific databases(数据库)that already exist. And eventually, in special sections of the site, nonscientist with specialized(专门的)knowledge will get to join in. Bird-watchers, for example, will be able to input which birds they've seen and where. The technology for this kind of tool has only become available.
As the EOL develops, you might find it useful for school projects. The site will feature special pages for kids who are studying ecosystems (生态系统) in their neighborhoods. To make sure the encyclopedia is accurate, scientists will review much of the information added to it. People who visit the site will be able to choose to leave out pages that haven't been reviewed.
Another convenient feature of the EOL is that you'll be able to pick the level of detail you want to see to match your interest, age, and knowledge. If you wanted to learn about bears for a science class report, for example, you could use the ”novice“ setting to get basic information about the animals. On the ”expert“ setting, on the other hand, you could get much more detailed information about the history, literature, and exploration of bears.
It now takes years for scientists to collect all the data they need to describe and analyze species. The creators of the Encyclopedia of Life hope that their new tool will speed up that process.
36. ”Spider“ and ”bird“ mentioned in Paragraph 1 are examples to illustrate
A. there are numerous living species on Earth.
B. animals are people's friends.
C. it is easy to see spiders and birds.
D. there are many types of spiders and birds.
37. The goal of the creation of the EOL is to
A. collect enough data to analyze the living species on Earth.
B. enlarge an existing Web site of the living species on Earth.
C. add new information to the existing databases of the living species on Earth.
D. work out an easy-to-use catalog of every living species on Earth.
38. At the starting stage, the EOL will get information from
A. all the Web sites available.
B. databases built up by its creators.
C. the existing scientific databases.
D. nonscientists with specialized knowledge.
39. The word ”novice“ in Paragraph 5 could be best replaced by
A. scientist.
B. creator.
C. beginner
D. expert.
40. Which of the following statement is NOT true?
A. Scientist will review every piece of information added to EOL
B. The EOL will be beneficial to school kids with its development.
C. Scientists have cataloged only a small part of the living species on Earth.
D. People with different interests and knowledge will in a way find the EOL useful.
36 A 文章第一段主要讲述的是，科学家只是将地球上少数的生物物种命名了，还有很多物种没有命名。接着作者使用蜘蛛和鸟的例子说明此观点，以显示地球上生物种类的繁多。答案为 A。
37 D 文章第二段最后一句”The project aims to catalog every species on Earth in a single，easy-to-use reference guide“ ，说明”这个项目的目的是提供一个单一的，易于使用的生物分类参考指南“。答案为D。
38 C 文章第三段第一句话”To get the encyclopedia started, the creators will use information from scientific databases (数据库) that already exist“，说明”为了建立这个百科全书，创建者要使用现有的科学数据库“。答案为 C。
39 C novice 的原意是”新手“，并且文中的意思也是”使用新手设置“来得到有关动物的基本信息。答案为C。选项 A 意为”科学家“;选项 B 意为”创建者“;选项 D 意为”专家“。
40 A 文章第四段第三句话”To make sure the encyclopedia is accurate，scientists will review much of the information added to it“，说明”为了保证百科全书的准确性，科学家会复审其中大部分的信息“，而没有说是”全部的信息“。本题答案为 A。文章在不同的段落提到了其余各选项。
篇8：职称英语理工类c级考试真题
Weaving With Light
In the Sierra Madre mountain range of west central Mexico，the native Huichol people live much the way their ancestors did-without electricity.That's because it's too expensive to string power lines to the remote mountain areas where they live.To help support themselves，the Huichol create beautiful artwork.They sell their art in cities hundreds of miles away from their villages.And without electricity-at home or on the road，they can only work during daylight hours. When it gets dark，they must stop whatever they're doing.
Now，a team of scientists，designers，and architects is using new technologies to provide the Huichol with light after the sun sets.The scientists' technique involves weaving tiny electronic crystals into fabrics that can be made into clothes，bags，or other items.
By collecting the sun's energy during the day，these lightweight fabrics provide bright white light at night.Their inventors have named the fabrics”Portable (轻便的)Lights.“Portable Lights have the potential to transform the lives of people without electricity around the world，says project leader Sheila Kennedy.
”Our invention，“Kennedy says，”came from seeing how we could transform technology we saw every day in the United States and move it into new markets for people who didn't have a lot of money.“
At the core of Portable Light technology are devices called high-brightness light-emitting diodes (高亮度发光二极管)，or HB LEDs. These tiny lights appear in digital clocks，televisions，and streetlights.
LEDs are completely different from the light bulbs (灯泡).Most of those glass bulbs belong to a type called incandescent lights (白炽灯).Inside，electricity heats a metal coil (线圈)to about 2，200 degrees Celsius.At that temperature，bulbs give off light we can see.
Ninety percent of energy produced by incandescent lights，however，is heat-and invisible. With all that wasted energy，bulbs bum out quickly.They are also easily broken.
LEDs，on the other hand，are like tiny pieces of rock made up of molecules (分子)that are arranged in a crystal structure.When an electric current passes through an LED，the crystal structure produces light.Unlike incandescent bulbs，they can produce light of various colors.Within an LED，the type of molecules and their particular arrangement determines what color is produced.
31. The Huichol don't use electricity because
A. it is too difficult for them to change their lifestyle
B. they know nothing about it
C. it costs too much to string power lines
D. they don't need it
32.To make a living，the Huichol create artwork and
A.sell it in cities far away from their villages.
B.sell it to tourists in their villages.
C.display it in their village museum.
D.keep it in their homes to attract tourists.
33.The central part of the Portable Lights technology is
A.Glass Bulbs.
B.HB LEDs.
C.digital clocks.
D.incandescent lights.
34. All of the following are disadvantage of incandescent lights EXPECT
A. they burn out quickly
B. they are easily broken
C. they are not bright enough.
D. they waste most of the energy produced
35.LEDs are different from light bulbs in that
A.LEDs can send out light of different colors.
B.LEDs are made up of tiny pieces of rock.
C.LEDs belong to incandescent lights.
D.LEDs look like crystals.
31 C 文章第一段第二句提到”That's because it's too expensive to string power lines to the remote mountain areas where they live“，说明因为架电线对于墨西哥的维乔人太昂贵了，所以他们没有使用电。答案为 C。
32 A 文章第一段第四句提到 ”They sell their art in cities hundreds of miles away from their villages“ ，即”他们将他们的艺术品卖到距村庄几百里之外的城市“。答案为 A。
33 B 文章第四段第一句话提到 ”At the core of Portable Lights technology are devices called high-brightness light-emitting diodes, or HB LEDs“，所以可知这种移动灯的核心技术是高亮度发光二极管，或简称 HB LEDs。答案为 B。
34 C 文章第五段最后几句话 ”Ninety percent of energy produced by incandescent lights，however, is heat-and invisible. With all that wasted energy, bulbs burn out quickly. They are also easily broken“，说明”白炽灯产生的90% 的能量都是热量，而热量是不可见的。 并且由于浪费了很多能量，白炽灯消耗能量的速度很快。另外白炽灯很容易被损坏“。文章没有提到”灯光亮度不够“，所以答案为 C。
35 A 文章最后一段的第三句话提到”Unlike incandescent bulbs, they can produce light of various colors“，说明”与白炽灯不同，他们可以产生各种各样的颜色\"，所以答案为 A。
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