职称英语（理工类）模拟试题 3
一、单项选择题。
1.词汇选项
Ants always put food away in Autumn.
A. store
B. steal
C. eat
D. carry(www.pxzj8.com)版权所有www.pxzj8.com
2.I recommend you buy a computer.
A. force
B. advise
C. ask
D. require
3.You should soon regain your appetite.
A. keep
B. lose
C. recover
D. get
4.Helen will leave immediately.
A. faraway
B. right away
C. fight here
D. soon
5.We resolved the problem after group discussion.
A. caused
B. met
C. solve
D. posed
6.Can we resume the meeting?
A. stop
B. begin
C. start
D. continue
7.The movie has a satisfying ending.
A. pleasing
B. sad
C. interesting
D. horrific
8.He tended his grandmother in the hospital.
A. looked for
B. took care of
C. kept up
D. cared for
9.Keep your room tidy.
A. messy
B. organized
C. beautiful
D. neat
10.The bad news upset me very much.
A. disturb
B. sadden
C. anger
D. disappoint
11.There are various kinds of food in China.
A. lot
B. many
C. different
D. delicious
12.She cried aloud all at once.
A. for a long time
B. suddenly
C. for no reason
D. quickly
13.Have you talked to her lately?
A. lastly
B. shortly
C. recently
D. immediately
14.It's hard for us to choose a book among these books.
A. elect
B. buy
C. recognize
D. select
15.Most people favored the plan.
A. agreed
B. opposed
C. liked
D. voted
二、综合题。(www.pxzj8.com)版权所有www.pxzj8.com
1.阅读判断
Left
1. The word "lefty" means a person who uses his or her left hand for writing, eating and other jobs.
2. We are born with two hands: a right hand and a left one. But only about ten or fifteen percent of us are lefties. Everyone else is right-handed. They use their right hands much more than their left.
3. Scientists do not know why there are so many more right-handed people than lefties.
4. Some very famous people have been left-handed. Alexander the Great was a lefty. So was the great French king Charlemagne. Other famous lefties in history include Leonardo da Vinci, Michelangelo, NaPoleon and Queen Victoria of Britain. In the twentieth century, famous lefties include American President Gerald Ford, tennis player Martina Navratilova, singer Paul McCartney, and the great Brazilian football player, Pele.
5. These people demonstrate that lefties are just as intelligent and talented as the right-handed majority. However, lefties have had a difficult time throughout history. The Roman word for left, for example, was the same word used to describe someone who was evil or untrustworthy.
6. The German word for left, "linkisch", also means someone who was unskilled. The French word, "gauche", can also mean a person who does not know how to act socially. In Spanish, the word for left is "a zurdas". It means the wrong way. And in Italian, the word "mancino" can also mean someone who is dishonest.
7. The Greek language is one of the few to give the word "left" a good meaning. The Greek word "aristera means both "left" and "the best".
8. An organization in the United States, Lefthanders International, is campaigning to give lefties their rights. Are you a lefty? If so, you should be proud!
16. All lefties are more diligent than right-handed people.
A. Right B. Wrong C. Not mentioned
17. The word "left" is given bad meanings in all languages.
A. Right B. Wrong C. Not mentioned
18. Lefties are campaigning to gain their equal rights that right-handed people have.
A. Right B. Wrong C. Not mentioned
19. Most famous people are left-handed.
A. Right B. Wrong C. Not mentioned
20. Right-handed people are more talented than lefties.
A. Right B. Wrong C. Not mentioned
21. About 90% of us are right-handed.
A. Right B. Wrong C. Not mentioned
22. The word "left" in Chinese has a bad meaning.
A. Right B. Wrong C. Not mentioned
2.概括大意与完成句子(www.pxzj8.com)版权所有www.pxzj8.com
More Exercise
1. Physical fitness is the result of many factors－good medical and dental care, proper nutrition, adequate rest and relaxation, and sensible personal habits. But these are never enough. An essential factor is regular physical activity－exercise for a body that needs it to function well.
2. All of us know that ordinary movements－things like running, jumping, and bending－are made by muscles. Muscles also do many other things. They suck air into your lungs, push food along your digestive tract, and tighten your blood vessels to raise blood pressure when you need more pressure for an emergency. Your heart is a muscular pump.
3. When your muscles are not used, or are not used enough, they do not develop and grow properly. They soon become flabby and weak, shrink in size, and lose the ability to do the jobs they were meant to do.
4. Recent studies showed that the average high school student spends fifteen to thirty hours a week watching television and only two hours a week in organized play or exercise. That is one reason why one-third of the 200,000 pupils tested for the Presidents Council on Physical Fitness failed a simple test of strength, stamina, and flexibility. Some of the boys and girls could not raise themselves to a sitting position without using their hands!
5. Cars and buses, elevators and escalators, TV and push-button machines all tend to reduce strenuous physical activity. But our bodies still need exercise. Without it they soon become weak, ineffective, and unattractive.
23. Paragraph 1 _______.
24. Paragraph 2 _______.
25. Paragraph 4 _______.
26. Paragraph 5 _______.
A. Factors of physical fitness
B. Our body needs exercise
C. The result of lacking exercise
D. Muscles need exercise
E. The function of muscles
F. The way of keeping fit
27. Some people have difficulties in standing up due to _______.
28. Your muscles become weak when they are _______.
29. To keep fit, you have to _______.
30. Muscles can help raise blood pressure by _______.
A. be overweight
B. lacking adequate exercise
C. hurt badly
D. not used
E. do exercise
F. tightening blood vessels
3.阅读理解 第一篇(www.pxzj8.com)版权所有www.pxzj8.com
Computer
There is no denying that students should learn something about how computers work, just as we expect them at least to understand that the internal combustion engine （内燃机） has something to do with burning fuel, expanding gases and pistons （活塞） being driven. For people should have some basic idea of how the things that they use do what they do. Further, students might be helped by a course that considers the computers impact on society. But that is not what is meant by computer literacy. For computer literacy is not a form of literacy （读写能力）; it is a trade skill that should not be taught as a liberal art.
Learning how to use a computer and learning how to program one are two distinct activities. A case might be made that the competent citizens of tomorrow should free themselves from their fear of computers. But this is quite different from saying that all ought to know how to program one. Leave that to people who have chosen programming as a career. While programming can be lots of fun, and while our society needs some people who are experts at it, the same is true of auto repair and violin-making.
Learning how to use a computer is not that difficult, and it gets easier all the time as programs become more "user-friendly". Let us assume that in the future everyone is going to have to know how to use a computer to be a competent citizen. What does the phrase "learning to use a computer" mean? It sounds like "learning to drive a car", that is, it sounds as if there is some set of definite skills that, once acquired, enable one to use a computer.
In fact, "learning to use a computer" is much more like "learning to play a game", but learning the rules of one game may not help you play a second game, whose roles may not be the same. There is no such a thing as teaching someone how to use a computer. One can only teach people to use this or that program and generally that is easily accomplished.
31. To be the competent citizens of tomorrow, people should _________.
A. try to lay a solid foundation in computer science
B. be aware of how the things that they use do what they do
C. learn to use a computer by acquiring a certain set of skills
D. understand that programming a computer is more essential than repairing a car
32. In the second paragraph "violin-making" is mentioned to show that _________.
A. programming a computer is as interesting as making a violin
B. our society needs experts in different fields
C. violin-making requires as much skill as computer programming
D. people who can use a computer dont necessarily have to know computer programming
33. Learning to use a computer is getting easier all the time because _________.
A. programs are becoming less complicated
B. programs are designed to be convenient to users
C. programming is becoming easier and easier
D. programs are becoming readily available to computer users
34. According to the author, the phrase "learning to use a computer" （Para. 3. means learning _________.
A. a set of rules
B. the fundamentals of computer science
C. specific programs
D. general principles of programming
35. The authors purpose in writing this passage is _________.
A. to stress the impact of the computer on society
B. to explain the concept of the computer literacy
C. to illustrate the requirements for being competent citizens of tomorrow
D. to emphasize that computer programming is an interesting and challenging job
4.阅读理解 第二篇(www.pxzj8.com)版权所有www.pxzj8.com
The Process of Growing
There are two basic ways to see growth: one as a product, the other as a process. People have generally viewed personal growth as an external result or product that can easily be identified and measured. The worker who gets a promotion, the student whose grades improve, the foreigner who learns a new language－all these are examples of people who have measurable results to show for their efforts.
By contrast, the process of personal growth is much more difficult to determine, since by definition it is a journey and not the specific signposts or landmarks along the day. The process is not the road itself, but rather the attitudes and feelings people have, their caution or courage, as they encounter new experiences and unexpected obstacles. In this process, the journey never really ends; there are always new ways to experience the world, new ideas to try, new challenges to accept.
In order to grow, to travel new roads, people need to have a willingness to take risks, to confront the unknown, and to accept the possibility that they may "fail" at first. How we see ourselves as we try a new way of being is essential to our ability to grow.
Do we perceive ourselves as quick and curious? If so, then we tend to take more chances and to be more open to unfamiliar experiences. Do we think were shy and indecisive? Then our sense of timidity can cause us to hesitate, to move slowly, and not to take a step until we know the ground is safe. Do we think were slow to adapt to change or that were not smart enough to cope with a new challenge? Then we are likely to take a more passive role or not try at all.
These feeling of insecurity and self-doubt are both unavoidable and necessary if we are to change and grow. If we do not confront and overcome these internal fears and doubts, if we protect ourselves too much, then we cease to grow. We become trapped inside a shell of our own making.
Notes：
1. indecisive adj. 非决定性的，犹豫不决的
2. timidity n. 胆怯
36. A person is generally believed to achieve personal growth when _________.
A. he has given up his smoking habit
B. he has made great efforts in his work
C. he is keen on learning anything new
D. he has tried to determine where he is on his journey
37. In the authors eyes, one who views personal growth as a process would _________.
A. succeed in climbing up the social ladder
B. judge his ability to grow from his own achievements
C. face difficulties and take up challenges
D. aim high and reach his goal each time
38. When the author says "a new way of being" （Para. 3., he is referring to _________.
A. a new approach to experiencing the world
B. a new way of taking risks
C. a new method of perceiving ourselves
D. a new system of adapting change
39. "These feelings" （Para. 5. dont include _________.
A. whether we see ourselves as smart
B. whether we see ourselves as timid
C. whether we see ourselves as aggressive
D. whether we see ourselves as ready
40. For personal growth, the author advocates all of the following except _________.
A. curiosity about more chances
B. promptness in self-adaptation
C. open-mindedness to new experiences
D. voidance of internal fears and doubts
5.阅读理解 第三篇(www.pxzj8.com)版权所有www.pxzj8.com
The Importance of Imagination
It is pleasant to lie on the glass on a spring day and gaze up at the clouds, seeing in them first a face, then an animal, then another object and another. In these reveries we are doing one of the famous experiments carried on in the psychological laboratory. There the person taking the test must look not at clouds but at ink blots （污渍） like those pictured here and write down, within a given time, as many as possible of the things he sees. It is imagination that enables one to see things not actually in the inkblot or the cloud.
Thinking, when it concerns objects or events outside our personal experience, is imagination. Sometimes imagination is defined as the making of new combinations of old experiences. Even the writer of the most fantastic tales puts elements of past experience into his characters. Though he may write about one-eyed monsters, three-legged men or Lilliputians, his characters throughout are made of elements that we all know. Eyes, legs, smallness are not new. It is only the combination that is new.
Imagination plays an important part in the kind of thinking which solves a practical problem. The fancies, which enable an Edison to give the world an electric light, represent imagination brought into control and made to work to a useful end.
In almost any line of endeavor, imagination of the kind which gets results is necessary. It is made up of two factors. First is the ability to think of new combinations of experiences. Second is the ability to select those combinations that are best. The person who has only the first of these is a flounder and a failure. The person who can criticize but cannot strike out new ideas is equally handicapped. Modern scientific method added the third requisite－experiment or test to answer the question "will it work"? All progress man achieves depends on how he applies and profits from the use of these processes.
41. In a psychological laboratory, a person can _________.
A. gaze up at clouds
B. see a face and an animal
C. write down many things
D. lie on the grass
42. According to the passage, which of the following statements is true? _________.
A. Thinking sometimes can mean imagination.
B. Thinking is imagination.
C. Imagination enables a person to see things actually.
D. Imagination enables a writer to have old experiences.
43. According to the author, a writers success depends on his _________.
A. characters
B. personal experience
C. thinking
D. imagination
44. A flounder refers to a person who is _________.
A. unable to think of new combinations of experiences, but able to select the best combinations
B. able to think of new combinations of experiences but unable to select the best combinations
C. unable to select the best combinations
D. able to select the best combinations
45. It can be inferred from the passage that _________.
A. experiments about imagination cannot be made in a psychological laboratory
B. application of experiments plays an important part in mans progress
C. the two factors of imagination can be separated from each other
D. it is necessary for a scientist to solve a practical problem
6.补全短文
Advertisement
1. Many adults in the United States can remember crying the nursery rhyme in the street "Hot cross buns!" （46） ______
2. Written advertisements probably began with hieroglyphics more than three thousand years ago but only a few people could read these symbols. So merchants made signs with pictures of their tools over their doors to identify their businesses.
3. In the time of the Roman Empire, wall paintings were a popular form of advertisement. （47） ______ People often advertised a house for rent or a freshwater bath in this way, too.
4. Today, large wall signs are still used for outdoor advertising. But outdoor advertising is only a small fraction of the total advertising. About forty per cent of all ads are printed in daily newspapers. （48） ______ Some people think they are the best form of advertising because radio broadcasts reach almost everyone in a nation.
5. （49） ______ However, usually only large companies can advertise on a national network, because TV commercials shown across the country can cost many thousands of dollars.
6. Then there are ads that are almost part of daily living. （50） ______ Ads are painted on the trucks that deliver products people are buying or selling.
A. Advertisements in magazines and on television reach many people, too.
B. An ad for a play, or some other performance was painted on part of a building or on a wall around a city.
C. But only a few people realize this was an early form of advertising.
D. If you use public transportation, you will see large printed ads, called car cards, on buses and taxis and in train.
E. Advertisements can be seen everywhere.
F. Radio commercials also provide this kind of information.
7.完形填空
Chemical Plution
Where do pesticides （杀虫剂） fit into the picture of environmental disease? We have seen that they now （51） ______ soil, water, and food, that they have the （52） ______ to make our streams fishless and our gardens and wood-lands silent and birdless. Man, （53） ______ much he may like to pretend the contrary, is part of nature. Can he escape a pollution that is now so thoroughly distributed throughout our world?
We know that even single exposures to these chemicals, if the amount is large enough, can cause extremely severe poisoning. But this is not the （54） ______ problem. The （55） ______ illness or death of farmers, farm workers, and others exposed to sufficient quantities of pesticides are very sad and should not occur. For the population as a whole, we must be more concerned （56） ______ the delayed effects of absorbing small amounts of the pesticides that invisibly pollute our world.
Responsible public health officials have （57） ______ that the biological effects of chemicals are cumulative over （58） ______ periods of time, and that the danger （59） ______ the individual may depend on the sum of the exposures received throughout his lifetime. For these very reasons the danger is easily （60） ______. It is human nature to shake off what may seem to us a （61） ______ of future disease. "Men are naturally most （62） ______ by diseases which have （63） ______ signs," says a wise physician, Dr. Rene Dubos, "（64） ______ some of their worst enemies （65） ______ approach them unnoticed."
51. A. clean B. clear C. pollute D. waste
52. A. power B. strength C. usage D. way
53. A. however B. but C. although D. though
54. A. minor B. major C. great D. big
55. A. frightening B. unusual C. sudden D. rare
56. A. with B. about C. on D. at
57. A. found B. discovered C. suggested D. pointed out
58. A. long B. short C. some D. many
59. A. of B. to C. for D. with
60. A. ignored B. forgotten C. solved D. noticed
61. A. threat B. danger C. dream D. fright
62. A. noticed B. impressed C. puzzled D. troubled
63. A. obvious B. hidden C. no D. some
64. A. and B. for C. yet D. until
65. A. quickly B. suddenly C. often D. slowly
答案部分(www.pxzj8.com)版权所有www.pxzj8.com
一、单项选择题。
1.
「正确答案」 A
「答案解析」 put……away“储存”之意。A项即是此意。steal：偷。
2.
「正确答案」 B
「答案解析」 此句意思是“我建议你买台电脑”，advise有“建议”的意思。
3.
「正确答案」 C
「答案解析」 regain one's appetite：意为“恢复胃口”。recover：有“恢复”之意。keep：保留。lose：失去。get：得到。
4.
「正确答案」 B
「答案解析」 immediately：马上。right away与之意思相同。soon：很快。如：I have to go home soon. 我得马上回家。
5.
「正确答案」 C
「答案解析」 resolve：解决（问题等）。solve：解决。cause：引起。meet：碰到。pose：造成，引起。如：This poses a big problem. 这引起了一个大麻烦。
6.
「正确答案」 D
「答案解析」 resume：继续。continue：继续。begin、start：是开始之意，没有继续进行之意。
7.
「正确答案」 A
「答案解析」 satisfying：令人满意的。pleasing与之意思一致。sad：伤心的。horrific：恐怖的。
8.
「正确答案」 B
「答案解析」 tend：照料，照顾，take care of：照顾。look for sth：寻找某物。keep up：维持。care for：喜欢，如I dont care for chocolate. 我不喜欢巧克力。
9.
「正确答案」 D
「答案解析」 tidy和neat都有“整洁”之意。messy：一团糟的，乱七八糟的。
10.
「正确答案」 A
「答案解析」 upset：是“使人心烦意乱”之意，disturb“烦扰”。与之最接近。sadden：使伤心。anger：使恼怒。disappoint：使失望。
11.
「正确答案」 C
「答案解析」 various：不同的，各种各样的。different：不同的。delicious：美味可口的。
12.
「正确答案」 B
「答案解析」 （all） at once：突然。suddenly：突然。for no reason：没理由地。
13.
「正确答案」 C
「答案解析」 lately：近来。recently与之意思一致。shortly：很快。
14.
「正确答案」 D
「答案解析」 choose和select都有“挑选”的意思。elect：举。recognize：认出，识别。
15.
「正确答案」 A
「答案解析」 favor：赞同。agree：同意。oppose：反对。vote：投票。agree与favor意思最接近。like：喜欢。
二、综合题。(www.pxzj8.com)版权所有www.pxzj8.com
1.
「正确答案」 16-22 CBABBAC
「答案解析」 16. 答案：C
句意：所有的左撇子都比右撇子勤奋。文中只提到左撇子和右撇子一样聪明，并未提到勤奋。
17. 答案：B
句意：“左”这个词在所有语言中都有不好的意思。文中第七段提到过希腊语中“左”有正面的意思。
18. 答案：A
句意：左撇子们正在争取和右手人们一样的权利。文中最后一段就提到了。
19. 答案：B
句意：大多数名人都是左撇子。文章第4段首句提到有些名人是左撇子，而并非大多数。
20. 答案：B
句意：用右手的人比左撇子更聪明。文章第5段首句提到左撇子与右撇子一样的聪明和有才华。
21. 答案：A
句意：大约90％的人是用右手的。第2段中提到过有10％－15％的人是左撇子，可推知90％左右的人是用右手的。
22. 答案：C
句意：“左”在中文里有反面意思。文章中未提到。
2.
「正确答案」 23-26 AECB
27-30 BDEF
「答案解析」 23. 答案：A
解析：抓住“factors”一词即可。
24. 答案：E
解析：这段衬托了肌肉的作用和功能。
25. 答案：C
解析：这段通过一项调查说明了缺乏锻炼的结果。
26. 答案：B
解析：抓住“ourbodies still need exercise”即可。
27. 答案：B
解析：第4段最后提到有些人不用手支撑就站不起来是因为缺乏足够的锻炼。
28. 答案：D
解析：这3段中就提到。
29. 答案：E
解析：整个文章都在讨论应该锻炼来保持健康。
30. 答案：F
解析：第2段讲到的肌肉功能的一个。
3.
「正确答案」 31-35 CDBCB
「答案解析」 31. 答案：C
解析：通过掌握一些技巧学习使用计算机。
32. 答案：D
解析：“制造小提琴”与“给计算机编程”进行比较，是为了说明就像会拉小提琴但并不一定需要会制作小提琴一样，使用计算机也不一定需要知道如何编程。
33. 答案：B
解析：用同义反复法。第三段第一句话中的“user-friendly”表示“用户友好的”，即计算机程序变得更加方便于用户使用，与“convenient. ”为同一意思。
34. 答案：C
解析：本题中（A）和（C）容易混淆，（A）是针对游戏的一些规则，而对于计算机来说，应该等同于“特定的程序”。
35. 答案：B
解析：见文章大意。
4.
「正确答案」 36-40 ACACD
「答案解析」 36. 答案：A
解析：这是一道推论题。根据文章第一段开头，可知选项A符合题意，选项B、C都不是明确的结果。选项D与本题的问题无关。
37. 答案：C
解析：此题为观点态度题。选项A的内容表述含混，在文章中并未提及，而选项B、D则更符合文章所说的把个人成长视为取得某种结果的人的情况。
38. 答案：A
解析：此题为词义题。being有表示that which exist即“存在的人或物”的意思，选项B、C、D都与此无关。从上下文看，a new way of being所在的整句话的意思是：“当我们试图找到一种新的方法看待世界时，我们如何看待我们自己对我们的能力增长是至关重要的。”选项A的意思与文章的意思最为符合，故为正确答案。
39. 答案：C
解析：此题为细节题。注意问题中的dont include，文章第四段中的三个问句恰好是A、B、D三个方面，因此C正确。
40. 答案：D
解析：此题为观点态度题。在文章第四段，作者通过设问的方式提出，为了个人的成长，要对更多的机会保持好奇心，提高自我适应能力，改于迎接新的挑战，而这正是A、B、C三项的内容。open-mindedness意为“具有开明的思想，能接受新思想”。在文章未段，作者提及internal fears and doubts，但作者的态度是confront and overcome，而不是protect或者avoid，所以选项D不是作者所拥护的观点。
5.
「正确答案」 41-45 CADBB
「答案解析」 41. 答案：C
解析：事实题。由文章第一段第二、第三句可知：此项实验要求人们看着墨水污渍，在限定时间内写下他所看到的尽可能多的东西，因此选项C为正确答案。
42. 答案：A
解析：事实题。文章第二段第一句：当思考的内容为我们经验之外的物体或者事件时，思考才是想象。可见思考与想象有区别，由此推断选项B不对，A为正确答案。
43. 答案：D
解析：推理题。根据第二段可以推知作者之意。作者认为想象可以定义为旧经验的新组合，作家描写的人物的各种要素并不新。而是组合方式新，这就是想象的结果，因此选项D为正确答案。
44. 答案：B(www.pxzj8.com)版权所有www.pxzj8.com
解析：推理题。此处的flounder指本句中的the person who has the first of these，反观上句可知first of these是指：First is the ability to think of new combinations of experiences. Second is the ability to select those combinations that are best（第一种能把经验组合起来思考，第二种能选择最好的组合）中的第一种人，所以B为正确答案。
45. 答案：B
解析：推断题。文章最后两句话：现代科学方法增加了第三个因素：对“行不行得通”这个问题的答案的实验或检验。所有人类取得的进步都决取于人类怎样应用这些想象和怎样从应用的过程中获益。所以B为正确答案。
6.
「正确答案」 46-50 CBFAD
「答案解析」 46. 答案：C
解析：整篇文章都是讲广告的历史和现在。这一段以一首儿歌引出主题。C项能很好地起到引领全文的作用。
47. 答案：B
解析：这段讲的是罗马帝国时期的一种广告形式，前一句提到了壁画是一种很流行的广告形式，那么这句应提到壁画用来宣传什么。
48. 答案：F
解析：这段讲到当今广告形式。前一句提到了报纸上的广告。那么F项中提到的广播中的广告也是一种形式，这是合题意的。
49. 答案：A
解析：从后一句的转折可以推断出这一句讲的是杂志和电视上的广告。
50. 答案：D
解析：这段讲的是日常生活中很常见的广告形式即交通工具上的广告。从后一句的“trucks”可看出来D是正确答案。
7.
「正确答案」 51-55 CAABC
56-60 ADABA
61-65 ABACD
「答案解析」 51. 答案：C
解析：这段讲的是杀虫剂带来的负面效果，抓住这个意思，就容易得到答案。
52. 答案：A
解析：power一般指自然界的力量、权力。strength力气。
53. 答案：A
解析：这里however是用作强调，这句意思是：不管人类有多么地想要保护那好的一面。但他毕竟只是自然界的一部分。
54. 答案：B
解析：major：主要的。从下文看一次接触化学农药并不是主要的问题。
55. 答案：C
解析：这里只有sudden符题意，表示突然的死亡或疾病。
56. 答案：A
解析：be concerned with……：关心，关注。
57. 答案：D
解析：point out：指出，提出。这里并不是才发现农药的影响，而是有关官员提醒大家注意这样的事实。
58. 答案：A
解析：这里根据上下文可以得出应是“长期的积累”。
59. 答案：B
解析：to……：对…，其余搭配均不对。
60. 答案：A
解析：ignore：忽略。forget：忘记。notice：注意。这里是指这些威胁很容易被人忽略。
61. 答案：A
解析：threat：威胁，程度比danger更深，更符题意。
62. 答案：B
解析：impress：留下印象。这句是讲人们很自然地对那些有明显迹象的疾病留下印象。
63. 答案：A
解析：obvious：明显的。从后一句的unnoticed不被注意的。可以推断出来。
64. 答案：C
解析：yet“然而”，表转折。(www.pxzj8.com)版权所有www.pxzj8.com
65. 答案：D
解析：这里slowly是最能表现那些未被注意到的潜在的威胁对人类的逼近。
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