[全国职称英语等级考试理工类]2009职称英语理工类A级模拟试题(4)

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2009职称英语理工类A级模拟试题(4)

第一考试网为您整理了职称英语模拟试题,希试望对您有所帮助!
 

第4部分:阅读理解(第31~45题,每题3分,共45分)

下面有3篇短文,每篇短文后有5道题,每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题,从4个选项中选择1个最佳答案涂在答题卡相应的位置上。

第一篇 How to Start a Small Business in the US

People from other countries often take America as the “land of opportunity”. Americans, too, believe that the country gives no end of chances to those who want to open their own businesses. Today, many Americans are still trying hard to become small business people, although only one out of two remains in operation after the first two years.

Many people start their small businesses for the wrong reasons. They want to get away from the paper work of their present jobs, or to exchange the responsibility of their present jobs for free life styles. But more, not less, paper work and responsibility come with ownership of a small business.

Thomas is the owner of the news magazine Mother Earth, which is now quite successful. He says that he had to work sixty hours without stopping when he was trying to bring out the first issue.

Thomas had waited for years after he came up with the idea for Mother Earth. During that time, he collected as much information as he could about his business. He borrowed books from the library, talked to successful people in the field, and began planning carefully the amount of money and the kinds and numbers of supplies he would need. When he finally opened with a capital of $1,500,he set up his office in the kitchen and his printing press in the garage. Owing to his devotion(投入)to business, his talent, and his skill in management, Mother Earth? now has a circulation(发行量) of 300,000.

Not all small businesses are doing as fine as Mother Earth as 50% of the 450, 000 that start in America every year fail. Still, 95% of businesses in the US can be called “small”. Altogether these businesses amount to 40% of America’s gross national product(国民生产总值).

31 According to the passage, which of the following is true of the small businesses in the U. S. ?

A All of them close down in the first two years.

B Most of them fail within the first two years.

C They all make big profits.

D Only half of them continue to operate after the first two years.

32 According to paragraph 2, many people start small businesses in order to

A do heavy work or earn more money.

B do less paper work or take less responsibility.

C do more paper work or take less responsibility.

D do light work or live quiet lives.

33 What preparations did Thomas make before he started his business?

A He stayed at home.

B He borrowed money from a bank.

C He made investigations and drew up a plan.

D He wrote a book.

34 Thomas’success can be attributed to

A his talent, his skill in management, and his devotion to his work.

B his good luck.

C his good relations with a business manager.

D his good treatment of his workers.

35 How many businesses in the U. S. can be called “small”?

A 5%.

B 40%.

C 50%.

D 95%.

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第二篇 U.S. Scientists Confirm Water on Mars

NASA scientists said that Mars was covered once by vast lakes, flowing rivers and a variety of other wet environments that had the potential to support life.

Laboratory tests aboard NASA"s Phoenix Mars Lander have identified water in a soil sample. The lander"s robotic arm delivered the sample Wednesday to an instrument that identifies vapors produced by the heating of samples.

"We have water," said William Boynton of the University of Arizona, lead scientist for the Thermal and Evolved-Gas Analyzer, or TEGA. "This is the first time Martian water has been touched and tasted."

The robotic arm is a critical part of the Phoenix Mars mission. It is needed to trench into the icy layers of northern polar Mars and deliver samples to instruments that will analyze what Mars is made of, what its water is like, and whether it is or has ever been a possible habitat for life.

The soil sample came from a trench approximately 2 inches deep. When the robotic arm first reached that depth, it hit a hard layer of frozen soil. Two attempts to deliver samples of icy soil on days when fresh material was exposed were foiled when the samples became stuck inside the scoop. Most of the material in Wednesday"s sample had been exposed to the air for two days, letting some of the water in the sample vaporize away and making the soil easier to handle.

"Mars is giving us some surprises," said Phoenix principal investigator Peter Smith of the University of Arizona. "We"re excited because surprises are where discoveries come from. One surprise is how the soil is behaving. The ice-rich layers stick to the scoop when poised in the sun above the deck, different from what we expected, from all the Mars simulation testing we"ve done so far."

Since landing on May 25, Phoenix has been studying soil with a chemistry lab, TEGA, a microscope, a conductivity probe and cameras. The science team is trying to determine whether the water ice ever thaws enough to be available for biology and if carbon-containing chemicals and other raw materials for life are present.

The mission is examining the sky as well as the ground. A Canadian instrument is using a laser beam to study dust and clouds overhead.

"It"s a 30-watt light bulb giving us a laser show on Mars," said Victoria Hipkin of the Canadian Space Agency.

A full-circle, color panorama of Phoenix"s surroundings also has been completed by the spacecraft.

"The details and patterns we see in the ground show an ice-dominated terrain as far as the eye can see," said Mark Lemmon of Texas A & M University, lead scientist for Phoenix"s Surface Stereo Imager camera. "They help us plan measurements we"re making within reach of the robotic arm and interpret those measurements on a wider scale."

36. What was discovered by NASA"s Phoenix Mars Lander on Mars?

A Vast lakes.

B Flowing rivers.

C Water in a soil sample.

D Living things.

37. Why did the first two attempts to deliver samples fail?

A The sample vaporized away.

B Fresh material was exposed to the air.

C The samples got stuck inside the scoop.

D The robotic arm hit a hard rock.

38. Which one of the following statements is NOT meant by the writer?

A Scientists have been trying to break the ice-rich layers of soil on Mars.

B Scientists have been surprised by how the soil on Mars behaves.

C Scientists have been trying to find out if there is life supporting material on Mars.

D Scientists have been trying to know if water ice will melt.

39. Where are the scientists involved in the research from?

A They are from America.

B They are from Canada.

C They are from both America and Canada.

D They are from neither America nor Canada.

40. Which of the following do you think is the best description of Phoenix"s Surface Stereo Imager camera, according to your understanding of the passage?

A It imitates human vision and is able to capture three-dimensional images.

B It imitates human voice and is able to record slight sounds while taking photos.

C It takes clear photos that show every detail of the object.

D It is this particular type of camera that can take wide angle pictures.

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第三篇 Black Holes Trigger Stars to Self-Destruct

Scientists have long understood that super massive black holes weighing millions or billions of suns can tear apart stars that come too close. The black hole"s gravity pulls harder on the nearest part of the star, an imbalance that pulls the star apart over a period of minutes or hours, once it gets close enough.

Scientists say this uneven pulling is not the only hazard facing the star. The strain of these unbalanced forces can also trigger a nuclear explosion powerful enough to destroy the star from within. Matthieu Brassart and Jean-Pierre Luminet of the Observatoire de Paris in Meudon, France1, carried out computer simulations of the final moments of such an unfortunate star"s life, as it veered towards a super massive black hole.

When the star gets close enough, the uneven forces flatten it into a pancake shape. Some previous studies had suggested this flattening would increase the density and temperature inside the star enough to trigger intense nuclear reactions that would tear it apart. But other studies had suggested that the picture would be complicated by shock waves generated during the flattening process and that no nuclear explosion should occur.

The new simulations investigated the effects of shock waves in detail, and found that even when their effects are included, the conditions favor a nuclear explosion. "There will be an explosion of the star — it will be completely destroyed," Brassart says. Although the explosion obliterates the star, it saves some of the star"s matter from being devoured by the black hole. The explosion is powerful enough to hurl much of the star"s matter out of the black hole"s reach, he says.

The devouring of stars by black holes may already have been observed, although at a much later stage. It is thought that several months after the event that rips the star apart, its matter starts swirling into the hole itself. It heats up as it does so, releasing ultraviolet light and X-rays.

If stars disrupted near black holes really do explode, then they could in principle allow these events to be detected at a much earlier stage, says Jules Halpern of Columbia University in New York, US2. "It may make it possible to see the disruption of that star immediately if it gets hot enough," he says.

Brassart agrees. "Perhaps it can be observed in the X-rays and gamma rays, but it"s something that needs to be more studied," he says. Supernova researcher Chris Fryer of the Los Alamos National Laboratory in Los Alamos, New Mexico, US3 , says the deaths of these stars are difficult to simulate, and he is not sure whether the researchers have proven their Case that they explode in the process.

41. Something destructive could happen to a star that gets too close to a black hole. Which of the following destructive statements is NOT mentioned in the passage?

A The black hole could tear apart the star.

B The black hole could trigger a nuclear explosion in the star.

C The black hole could dwindle its size considerably,

D The black hole could devour the star.

42. According to the third paragraph, researchers differed from each other in the problem of

A whether nuclear reaction would occur.

B whether the stars would increase its density and temperature.

C whether shock waves would occur.

D whether the uneven forces would flatten the stars.

43. According to the fourth paragraph, which of the following is NOT true?

A No nuclear explosion would be triggered inside the star.

B The star would be destroyed completely.

C Much of the star"s matter thrown by the explosion would be beyond the black hole"s reach.

D The black hole would completely devour the star.

44. What will happen several months after the explosion of the star?

A The star"s matter will move further away from by the black hole.

B The black hole"s matter will heat up.

C The torn star"s matter will swirl into the black hole.

D The black hole"s matter will release ultraviolet light and X-rays.

45. According to the context, the word "disruption" in Paragraph: 6 means

A "Confusion. "

B "Tearing apart."

C "Interruption. "

D "Flattening.

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第5部分:补全短文(第46~50题,每题2分,共10分)

阅读下面的短文,文章中有5处空白,文章后面有6组文字,请根据文章的内容选择5组文字,将其分别放回文章原有位置,以恢复文章原貌。请将答案涂在答题卡相应的位置上。

So What

A man was coming home late one night—about three o’clock in the morning—when he saw a guy standing in front of a house with a horse. The man with the horse stopped him and said,“ 46 ”

“Well, what would you like me to do?” asked the passer-by.

“I want you to help me get this horse upstairs. ”

“Why?”

“ 47 I haven’t got time to explain. Would you just help me, please?”

Together they pushed the horse up the steps and into the hallway, then up three flights of stairs and into the man?s flat. When they got inside, the man with the horse said,“ 48 ”

Fearful that he might be dealing with a mad man, the passer-by helped the man lift one foreleg(前腿),then the second foreleg, then one hind(后面的)leg, then the second hind leg, and there stood the horse in the bathtub.

“Now, ” said the passer-by, “would you mind telling me what this is all about?”

“Well, ” said the man with the horse,“I’ll tell you. I’ve got a brother?in-law who lives here with me. 49 I can’t tell him anything. No matter what I tell him, he says, ‘So what!’No matter what information I give him, he says, ‘So what!’ He’s out late tonight. 50 I want him to come upstairs, open the door, take off his clothes, put on his pajamas, go into the bathroom, then come running out yelling,‘Sol!Sol!There’s a horse it the bathtub!’ and I’ll say, ‘So what!’”

A Well, I can’t tell you at the moment.

B He is a very smart fellow.

C The man with the horse got in side.

D Brother, could you give me a hand here?

E He’ll be home about four o’clock.

F Now will you help me get the horse with his feet in the bathtub?

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第一考试网为您整理了职称英语模拟试题,希试望对您有所帮助!
 

第6部分:完形填空(第51~65题,每题1分,共15分)

阅读下面的短文,文中有15处空白,每处空白给出4个选项,请根据短文的内容从4个选项中选择1个最佳答案,涂在答题卡相应的位置上。

Sharks Perform a Service for Earth"s Waters

It is hard to get people to think of sharks as anything but a deadly enemy. They are thought to 51 people frequently. But these fish perform a 52 service for earth"s waters and for human beings. Yet business and sport fishing are threatening their 53 Some sharks are at risk of disappearing from 54 .

Warm weather may influence both fish and shark activity. Many fish swim near coastal areas 55 their warm waters. Experts say sharks may follow the fish into the same areas, 56 people also swim. In fact, most sharks do not purposely charge at or bite humans. They are thought to mistake a person 57 a sea animal, such as a seal or sea lion. That is why people should not swim in the ocean when the sun goes down or comes up. Those are the 58 when sharks are looking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.

A shark has an extremely good sense of smell. It can find small amounts of substances in water, such as blood, body liquids and 59 produced by animals. These powerful 60 help sharks find their food. Sharks eat fish, any 61 sharks, and plants that live in the ocean.

Medical researchers want to learn more about the shark"s body defense and immune 62 against disease. Researchers know that sharks 63 quickly from injuries. They study the shark in hopes of finding a way to fight human disease.

Sharks are important for the world"s 64 . They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too 65 This protects the plants and other forms of life that exist in the oceans.

51. A attack B meet C love D visit

52. A terrible B eatable C valuable D possible

53. A source B existence C friends D fish

54. A Space B Sky C Land D Earth

55. A because B since C because of D by reason that

56. A whose B which C that D where

57. A to B for C like D with

58. A times B places C seas D oceans

59. A sciences B mathematics C chemicals D physics

60. A feelings B senses C touches D tastes

61. A those B these C another D other

62. A systems B processes C ideas D circles

63. A recover B reform C return D rely

64. A rivers B oceans C forests D mountains

65. A weak B little C few D great

全国专业技术人员职称英语等级考试理工类(A级)模拟试题(二)参考答案

1 C 2 A 3 A 4 B 5 C 6 D 7 D 8 D 9 C 10 D 11 B 12 D 13 A14 D 15 C

16 C 17 A18 A 19 C 20 A 21 B 22 C 23 B 24 D 25 A 26 E 27 A 28 E 29 B 30 D

31 D32 B 33 C34 A35 D 36 C 37 C 38 A 39 C 40 A 41 C 42 A 43D 44 C 45 B

46 D47 A 48 F 49 B 50 E 51 A 52B 53 C 54 D 55 C 56 D 57 B 58 A 59 C 60 B

61 D 62 A 63 A 64 B 65 D(第一考试网整理)

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