2019职称英语理工类A级完形填空强化辅导(1)

2019年职称英语考试《理工类A级》补全短文专项训练1the importance of agriculture in chinathe development of agriculture and the balance between food and population are china’s fundamental economic problems. the classical histories praise emperors for devotion to agriculture and much of china’s modern history is ____(1)____, which has been growing steadily.today, although agriculture accounts for only a quarter of the gross national product, it is still the main determinant of the standard of living and the principal occupation of at least 70 percent of population.agriculture also _____(2)____ because industry needs both agricultural raw materials and food for its work force. the failure of agriculture to supply raw material and food halted and later reversed the industrial progress of the 1950’s, after 1960 new emphasis was placed on agriculture, and the slogan "agriculture is the foundation of the economy" has remained a central chinese economic policy ever since.___(3)___, there is an indirect link due to the relationship between agriculture and foreign trade. many of china’s exp orts are ___(4)___ or consumer goods based on them. flourishing agriculture, therefore, promotes exports. it also reduces the need to spend foreign exchange on imports of grain and cotton, therefore __(5)___.练习：a determines the progress of industryb the story of the unfolding struggle to feed a peasant populationc either agricultural raw materialsd enlarging the capacity of the economy to import machinery and commodities for industrye in addition to the direct links between agriculture and industryf thus promoting both import and exportkey ： BAFCD。

2019年职称英语《理工类A级》概括大意辅导练习题（1）Geology and HealthThe importance of particular metals in the human diet has been realized within the past few decades， and the idea that geology might be related to health has been recognized for a number of elements such as iodine， zinc and selenium. For example， soils with low iodine contents produce crops，and animals deficient in iodine. A lack of iodine in the human diet leads to some serious diseases.The ultimate source of metals within the human body is rocks， which weather into soil， gaining or losing some of their chemical constituents. The crops we eat selectively remove from the soil the elements that they require for growth. The water we drink contains trace elements leached from rock and soil. Thus the geology and geochemistry of the environments have effects on the chemistry and health of plants， animals and people.So far there is no data to suggest that people living on metal-rich soils experience a potential health hazard. The levels of metals within naturally contaminated soils are generally not high enough to cause serious health problems. Living on metal-rich soils does not represent a health risk unless large quantities of soil are digested or metal-rich dust is inhaled. However， small children are particularly exposed to metal-rich topsoil in playgrounds and gardens.They are also the most likely ones to eat potentially dangerous metal-rich soil.Heavy metals are persistent; they do not break down to other chemicals in the environment. Industrially polluted sites usually undergo intensive clean-up and rehabilitation because heavy metals are a health concern once they enter the food chain. Some trace metals are alleged to cause cancer and are also known to cause poisoning.In contrast， naturally contaminated soils have not been subject to risk assessment studies and rehabilitation measures， despite the fact that they frequently possess metal concentrations well above those of such polluted by humans and above environmental quality criteria.There is a vital need to understand the potential risks and long-term health effects of living on naturally contaminated soils. Future environmental investigations of naturally polluted soils should concentrate on the potential pathways of metals into the food chain and human body. Geologists should be part of such studies as they can provide the essential background information on rock and soil chemistry as well as the chemical forms of heavy metal pollution.A. No evidence to indicate bad effects of naturally contaminated soilB. Potential hazards of human contaminated soilsC. Research on channels of heavy metals getting into human food chainD. Geology and health problemsE. Rocks-the ultimate source of soil pollutionF. Long- term helth effects on children1. Paragraph 12. Paragraph 33. Paragraph 44. Paragraph 6A. industrially polluted soilsB. rock and soil chemistryC. naturally polluted soilsD. the pathways of metals into the food chainE. the element of iodineF. the persistence of heavy metals5. Some serious diseases is connected with deficiency of ……6. It is extremely necessary to study the long-term effects caused by living on ……7. Geologists are indispensable in the research project on geology and health due to their knowledge on……8. Industrially contaminated sites usually require a thorough clean-up due to ……Key： DABCECBF。

2019年职称英语理工类A级完形填空专项练习题（4）It is an impossible task to select the most amazing wondersof the modem world since every year more __1__ constructions appear. Here are three giant structures which are worthy ofour __2__ although they may have been surpassed by some more recent wonders.The Petronas Twin TowersThe Petronas Towers were the tallest buildings in the world when they were completed in 1999. With a __3__ of 452 metres, the tall twin towers, like two thin pencils, dominate the city of Kuala Lumpur. At the 41st floor, the towers are linked by a bridge, symbolizing a gateway to the city. The American __4__ Cesar Pelli designed the skyscrapers.Constructed of high-strength concrete, the building provides around 1，800 square metres of office space __5__ every floor. And it has a shopping centre and a concert hallat the base. Other __6__ of this impressive building include double-decker lifts, and glass and steel sunshades.The MiUau BridgeThe Millau Bridge was opened in 2004 in the Tam Valley，in southern France. __7__ the time it was built，it was the world’s highest bridge, __8__ over 340m at the highest point. The bridge is described as one of the most amazinglybeautiful bridges in the worl D. It was built to __9__Millau's congestion problems. The congestion was then causedby traffic passing from Paris to Barcelona in Spain. Thebridge was built to withstand the __10__ extreme seismic and climatic conditions. Besides, it is guaranteed for 120 years!The Itaipu DamThe Itaipu hydroelectric power plant is one of the largest constructions of its kind in the worl D. It consists of a series of dams across the River Parana, __11__ forms a natural border between Brazil and Paraguay. Started in 1975 and taking 16 years to complete, the construction was carried out as a joint project between the two __12__. The dam is well-known for both its electricity output and its size. In 1995 it produced 78% of Paraguay’s and 25% of Brazil’s__13__ needs. In its construction, the __14__ of iron and steel used was equivalent to over 300 Eiffel Towers. It is a __15__ amazing wonder of engineering.练习1.A. delightful B. useful C. wonderful D. careful.2.A. admiration B. passion C. expression D. detection.3.A. length B. width C. height D. volume4.A. inventor B. architect C. scientist D. merchant.5.A. below B. in C. above D. on6.A. types B. parts C. roles D. features7.A. A.t B. within C. from D. upon8.A. developing B. expanding C. stretching D. reaching.9.A. restrict B. reserve C. relieve D. relax.10.A. most B. much C. more D. less11.A. what B. which C. who D. that12.A. countries B. provinces C. areas D. regions.13.A. water B. oil C. energy D. food14.A. amount B. number C. quality D. ratio15.A. mainly B. totally C. rarely D. truly.答案：1. C2. A3. C4. B5. B6. D7. A。

2019年理工类职称英语考试完形填空训练试题完形填空We are so used to our life on the surface of the earth that it can be quite an effort for our mind to break free of all the ideas that we take for granted. Because we can feel that things are heavy，we think of “weight” as being a fixed quality in an object， but it is not really fixed at all. If you could take a one-pound packet of butter 4， 000 miles out from the earth， it would weigh only a quarter of a pound.We find it hard to break free from ideas connected with living on the earth because_____A.it demands too great an effort for us to do so.B.we are too familiar with the way things are to question the ideas.C.we have proved that those ideas are correct.D.we are so sure of ourselves that we never doubt anything on the earth.【准确答案】 B【答案解析】答案选B.本题抓住问题的关键词break free from，“摆脱”的意思。

2020年职称英语《理工类A级》完形填空模拟练习题（1）完形填空（每题2分，共10分）阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个答案。

Happily married people have lower blood pressure 51 unhappily married people or singles，a Brigham Young University study says.On the other hand，even having a supportive social network did not translate into a blood pressure benefit for singles or unhappily__52 ___ people，according to the study."There seem to be some unique health benefits from marriage.It's not just being married__53__benefits health - what's really the most protective of health is having a happy 54 ，"study author Julianne Holt-Lunstad，a psychologist who specializes in relationships and health，said in a prepared statement.The study included 204 married and 99__55__adults who wore portable blood-pressure monitors for 24 hours.The ___56__recorded blood pressure at random intervals and provided a total of about 72 readings."We wanted to capture participants'blood pressure doing whatever they normally 57 in everyday life.Getting one or two readings in a clinic is not really__58__of the fluctuations that occur throughout the day，"Holt-Lunstad said.Overall，happily married people scored four points__59___ on the blood pressure readings than single adults.The study also found that blood__60__among married people –especially those in happy marriages -__61__more during sleep than in single people."Research has shown that people whose blood pressure remains high throughout the night are at__62__greater risk of heart disease than people whose blood pressure drops，" Holt-Lunstad said.The study was published in the March 20__63__of the journal Annals of Behavioral Medicine.The study also found that unhappily married adults have higher blood pressure than__64 happily married and single adults.Holt-Lunstad noted that married couples can encourage healthy habits in one__65___ ，such as eating a healthy diet and having regular doctor visits.People in happy marriages also have a source of emotional support，she said.练习：51.A.from B.to C.than D.by52.Amarried B.engaged C.linked D.loved53.A.which B.that C.this D.what54.A.life B.marriage C.partner D.spouse55.A.young B.old C.single D.experienced56.A.monitors B.doctors C.nurses D.researchers57.A.take B.do C.make D.want58.A.supportive B.active C.representative D.protective59.A.most B.lower C.higher D.least60.A.pressure B.speed C.level D.flow61.A.stopped B.dropped C.rose D.ran62.A.more B.some C.much D.any63.A.page B.number C.copy D.issue64.A.nor B.both C.neither D.either65.A.another B.each C.other D.every答案：C A B B C A B C B A B C D B A。

2019 年职称英语《理工类》完形填空强化试题及答案When Spanish football club Barcelona paid US$35 million for Ronaldinho last summer, they weren't buying a pretty face. "I am（51）," admits the Brazilian superstar （超级明星）. "But everyone has got a different kind of beauty. What I （52）have is charm."Indeed he has. His buck teeth （龅牙）, flowing hair, big smile, and of course his （53）skills are always eyecatching on the pitch. The 23-year=old striker （中锋）scoredtwo goals in a 3-2 win over Deportivo La Coruna on March 1.It was Barcelona's sixth win in a row and, thanks to theirBrazilian's 10-goal contribution, （54）looked like a poorseason could now end a success.Ronaldinho-full name Ronaldo De Assis Moreira-is one of manySouth Americans who learned their skills playing in the backstreets before（55）them off on the world stage.Great things were （56）when Gremio signed him as a sevenyear-old, and he soon became friends with Ronaldo, who was then the other young star of Brazilian football. It was Ronaldo who first called him Ronaldinho, which （57）Little Ronaldo.He first （58）for his country in 1999 but it was at the 2002 World Cup where he showed his real worth, scoring an unbelievable free-kick in Brazil'squarter-final victory（59）England."I have never failed to deliver in big matches," Ronaldinho says. "My game is based on improvisation （即兴表演）. Oftena forward does not have the time to decide whether to shootor （60）. It is instinct that gives out the orders."While he may not have David Beckham's good looks, Ronaldinhohas a （61）reputation off the pitch. At former club ParisSaint Germain, which sold him to Barcelona, he broke （62）rules by going out and enjoying the city's nightlife."Without doubt, Ronaldinho is the most （63）player I haveever come across," says former PSG coach Luis Ferdandez." The main" （64）for any coach is that one player without discipline can hurt the'whole team."But Ronaldinho doesn't think he has done anything wrong. "I am just a young person who enjoys （65）," he says.51 A handsome B good-looking C ugly D attractive52 A must B do C will D could53 A dangerous B frightening C awful D brilliant54 A that B which C who D what55 A showing B demonstrating C illustrating D displaying56 A worked B hoped C thought D expected57 A describes B means C explains D expresses58 A kicked B served C played D acted59 A over B at C on D above60 A move B run C throw D pass61 A cowboy B good boy C playboy D college boy62 A group B class C college D club63 A difficult B cooperative C diligent D helpful64 A question B issue C problem D point65 A him B life C herself D yourself答案：51 C 52 B 53 D 54 D 55 A56 D 57 B 58 C 59 A 60 D61 C 62 D 63 A 64 C 65 B。

年职称英语考试理工类A级试题及答案第1部分：词汇选项（第1～15题，每题1分，共15分）下面每个句子中均有1个词或短语划有底横线，请为每处划线部分确定1个意义最为接近选项。

1 She was a puzzleA.girlB.womanC.problemD.mystery2 Her speciality is heart surgery.A.regionB.siteC.fieldD.platform3 France has kept intimate links with its former African territories.A.friendlyB.privateC.strongD.secret4 You should have blended the butter with the sugar thoroughlyA.spreadB.mixedC.beatenD.covered5 The industrial revolution modified the whole structure of English society，A.destroyedB.brokeC.smashedD.changed6 Tickets are limited and will be allocated to those who apply first.A.postedB.sentC.givenD.handed7 The change in that village was miraculous.A.conservativeB.amazingC.insignificantD.unforgettable8 Customers often defer payment for as long as possibleA.makeB.demandC.postponeD.obtain9 Canada will prohibit smoking in all offices later this year.A.banB.removeC.eliminateD.expel10 She read a poem which depicts the splendor of the sunset.A.declaresB.assertsC.describesD.announces11 From my standpoint，this thing is just ridiculousA.fieldB.point of viewC.knowledgermation12 The latest census is encouragingA.statementB.assessmentC.evaluationD.count15 He was elevated to the post of prime minister.A.pulledB.promotedC.liftedD.treated17 The Monarch butterfly looks fragile.A.RightB.WrongC.Not mentioned18 The Mexicans like butterflies very much.A.RightB.WrongC.Not mentioned19 in bad winters， about 70 per cent of the butterflies can stay aliveA.RightB.WrongC.Not mentioned20 In early April， the butterflies leave their winter homes flying back northA.RightB.WrongC.Not mentioned21 Genetically modified maize isn’t poisonous to the butterflies.A.RightB.WrongC.Not mentioned22 Genetically modified products are not popular in MexicoA.RightB.WrongC.Not mentioned33 Which of the following is NOT a social occasion？A.Going to church.B.Going to work in the office.C.Staying at home.D.Going to a party.34 Who brought the Frenchmen’s neckwear to Britain？A.Tony Blair.B.Charles ll.C.Jim Callaghan.D.Andrew Turnbull.35 When did British gentlemen begin to wear ties regularly？A.After the late 19th century.B.In the 1630s.C.In 1660.D.In the late 18th century.36 Losing amphibians means losingA.knowledge about fatal human diseases.B.knowledge about air and water pollution.C.a chance to discover new medicines.D.an opportunity to detect poisonous gases.37 Amphibians lay their eggsA.in any stream they can find，B.in places without UV light，C.only on sand.D.only in the right conditions38 The arroyo toad is disappearing becauseA.it has been threatened by frogs.B.it is losing its habitat.C.a disease has been killing its eggs.D.it can’t bear the cold of winter.39 Coal miners once used the canary bird to detectA.poisonous gases.B.air pollution.C.water leakage.D.radiation.40 Scientists think that the decline of amphibians couldA.cause environmental change.B.cause a decline in other kinds of animals.C.be a warning signal for human beings.D.be a good sign for human beings.41 Belle would be fed some fruit juice if sheA.grasped the joystick.B.moved the joystick to the side of the light.C.sat quietly in a special chair.D.watched lights on a display panel.43 Which of the following is NOT true of the robot built by Srinivasan？A.It was directed by signals converted from the electrical activity in Belle’s brainB.It converted the electrical patterns into instructions for the other robot.C.It was six hundred miles away from where Belle was.D.It could perform the same function as Belle did.45 The short-term goal of the research is to help a personA.whose motor cortex is seriously damaged.B.who can operate a wheelchair but not a robotic limb.C.who has spinal cord injury but is able to move a wheelchair.D.who is unable to move but whose motor cortex is not damaged第5部分：补全短文（第46～50题，每题2分，共10分）下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。

2012年职称英语理工类A级完形填空模拟练习（1）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。

GDP&GNPGovernments all over the world make public reports about the condition of their economies. Most countries, including the United States, have used a measure(51) the gross national product or GNP. It includes all (52) and services produced by citizens of the country anywhere in the world.Recently the American Commerce Department has started using a new(53) to measure production. It is known as the gross domestic product or GDP. It counts only goods and services that have been produced (54) the nation’s borders. Money earned by foreign companies operating in the United States is included in the GDP, but money earned by American companies operating in other countries (55).Economic experts generally approve (56) the change. They say that the gross domestic product provides a truer measure of the(57). They also note that most other industrial countries use this method. Therefore it will be easier to study the economies of different countries. Some(58) also hope the new system will help them (59) better economic policy decisions. It will provide them(60) a clearer under standing of economic activity in the US. The new measure is(61) likely to be affected by sudden changes in foreign oil prices or in the (62) of the American dollar in other countries. Economic experts believe that the change from GNP to GDP will immediately reduce the value of American production (63) at least 40,000 million dollars a year. But that is really a very (64) change in the American economy — less than 1%. The Commerce Department reports the unofficial gross domestic product once (65) three months. The government also continues to report GNP as it has four times a year since 1941.51A．regardedB．called C．knownD．addressed52A．goods B．product C．good D．commodity53A．wayB．method C．means D．skill54A．at B．outsideC．beyondD．within55A．is not B．notC．are notD．are not included56A．ofB．with C．on D．to57A．economicsB．financeC．economyD．income58A．officers B．companies C．officials D．businessmen59A．make B．reach C．form D．take60A．ofB．with C．to D．for61A．veryB．moreC．little D．less62A．value B．exchangeC．price D．worth63A．at B．by C．to D．about64A．big B．great C．smallD．little65A．every B．all C．each D．every otherObtaining Drinking Water from Air Humidity (A级)Not a plant to be seen, the desert ground is too 1 . But the air contains water, and research scientists have found a 2 of obtaining drinking water from air humidity. The system is based completely on renewable energy and is therefore autonomous.Cracks permeate the dried-out desert ground and the landscape bears testimony to the lack of water. But even here, where there are no lakes, rivers or groundwater, considerable quantities of water are stored in the air. In the Negev desert in Israel, for example, annual average relative air humidity is 64 percent -- in every cubic meter of air there are 11.5 milliliters of water.German research scientists have found a way of converting this air humidity autonomously into drinkable water. "The process we have developed is based exclusively on renewable energy sources such as thermal 3 collectors and photovoltaic cells, which makes this method completely energy-autonomous. It will therefore function in regions 4 there is no electrical infrastructure," says Siegfried Egner, head of the research team. The principle of the 5 is as follows: hygroscopic brine — saline solution which absorbs moisture — runs down a tower-shaped unit and absorbs water from the air. It is then sucked into a tank a few meters 6 the ground in which a vacuum prevails. Energy from solar collectors heats up the brine,, which is diluted by the water it has 7Because of the vacuum, the boiling point of the liquid is 8 than it would be under normal atmospheric pressure. This effect is known from the mountains: as the atmospheric pressure 9 is lower than in the valley, water boils at temperatures 10 below 100℃. The evaporated, non-saline water is condensed and runs down through a completely filled tube in a controlled manner. The gravity of this water column continuously produces the vacuum and so a vacuum pump is not needed. The reconcentrated brine runs down the tower surface 11 to absorb moisture from the air."The concept is suitable for various water 12 Single-person units and plants 13 water to entirehotels are conceivable," says Egner. Prototypes have been built for both system components-air moisture absorption and vacuum evaporation-and the research scientists have already 14 their interplay on a laboratory scale. In a further step the researchers in-tend to develop a demonstration 15.练习：1. A dryB dirtyC sandyD clean2. A pathB wayC channelD road3. A oilB woodC coalD solar4. A whenB whatC whereD who5. A promiseB progressC prospectD process6. A ofB withC offD below7. A absorbedB attractedC allowedD affected8. A wetterB hotterC lighterD lower9. A closeB thereC beyondD nearby10. A graduallyB distinctlyC necessarilyD possibly11. A againB tooC eitherD more12. A usersB ownersC providersD producers13. A usingB obtainingC supplyingD cleaning14. A repairedB soldC copiedD tested15. A tankB methodC facilityD tool参考答案ABDCD CADBB AACDC2012年职称英语理工类A级完形填空模拟练习（3）The Case of the Disappearing Fingerprints (A级)One useful anti-cancer drug can effectively erase the whorls and other characteristic marks that give people their distinctive fingerprints. Losing 1could become troublesome. A case released online in a letter by Annals of Oncology indicates how big a2of losing fingerprints is.Eng-Huat Tan, a Singapore-based medical doctor describes a 62-year old man who has used capecitabine to 3 his nasopharyngeal cancer. After three years on the 4, the patient decided to visit U. S. relatives last December. But he was stopped by U.S. customs officials 5 4 hours after entering the country when those officials couldn't get fingerprints from the man. There were no distinctive swirly 6 appearing from his index finger.U.S. customs has been fingerprinting incoming foreign visitors for years, Tan says. Their index fingers are 7 and screened against digital files of the fingerprints of bad guys—terrorists and potential criminals that our federal guardians have been tasked with keeping out of the country. Unfortunately, for the Singapore traveler, one potential 8 effect of his drug treatment is a smoothing of the tissue on the finger pads. 9, no fingerprints."It is uncertain when fingerprint loss will 10 to take place in patients who are taking capecitabine," Tan points out. So he cautions any physicians who11 the drug to provide their patients with a doctor's note pointing out that their medicine may cause fingerprints to disappear.Eventually, the Singapore traveler made it into the United States. I guess the name on his passport didn't raise any red flags. But he's also now got the explanatory doctor's note—and won't leave home 12it.By the way, maybe the Food and Drug Administration,13approved use of the drug 11 years ago, should consider14its list of side effects associated with this medicine. The current list does notethat patients may experience vomiting, stomach pain and some other side effects. But no where15 it mention the potential for loss of fingerprints.练习：1. Ahe Bthem Cher Dhim2. AthemeBtopic Ccreation Dproblem3. Atreat Bcut CfindDsmooth4. ArecoveryBdiet CdrugDdiagnosis5. AinBatCfor Don6. Adigits Bmarks CimagesDpictures7. Aprinted Blocated Ccured Dplaced8. AnormalBgoodCmain Dside9. AHoweverBHenceCMoreover DFurthermore10. Abegin BlikeCdecideDhave11. Aprevent Bpreserve CpresumeDprescribe12. Aoff Bon Cwithout Dwith13. AwhoBwhereCwhen Dwhich14. AupdatingBusing Cprinting Dcancelling15. Amust BdoesCmayDshould参考答案BDACC BADBA DCDAB2012年职称英语理工类A级完形填空模拟练习（4）The color red often means danger -- and by paying attention, 1 can be prevented. At railroad crossings, flashing red lights warn cars to stay back. A red light at a traffic intersection tells cars to stop, so 2 don't run into other cars.In the future, the color red also may help prevent danger3construction sites. Thanks to new work by engineers, bridge supports- or other kinds of materials—could one day contain a color-changing material. It will turn red 4a structure collapses or falls 5 A tiny molecule may make a big difference in future warning systems.A polymer6 a color-changing molecule called a mechanophore turns red seconds before it snaps. The technology may one day allow damage to materials or structures to be easily 7 .The secret behind the color-changing material is a particular type of molecule. A molecule is a group of atoms held together by8bonds. Molecules come in all shapes and sizes, and make up 9you can see, touch or feel. How a molecule behaves depends on what kinds of atoms it contains, and how they're held together.When a polymer containing a color-changing molecule called a mechanophore is about to breaks,it produces a color. When a polymer with mechanophore molecules becomes "injured" or10, one of the mechanophore bonds breaks and the material turns red. "It's a really simple detection method," says Nancy Sottos, one of the scientists who worked on the project. "We're 11 up this one bond, and it changes color. " Sottos and her team tested the color-changing polymers in their lab. The test12 proved encouraging.There is a way to get rid of the red color: 13. When a bright light is shone on the mechanophore, the broken bond is fixed - and the red color disappears. This "self-healing" may be a problem for engineers. They need to use the color-changer in big construction projects that will be 14 , in sunlight. And sunlight will make the mechanophore's warning system useless.Sottos and her fellow scientists still have15 work to do before the color-changing molecules can be used outside the lab.练习：1. A measuresB accidentsC actionsD collapses2. A theyB itC someD most3. A withB overC atD in4. A beforeB afterC onceD while5. A togetherB behindC downD apart6. A contactingB conductingC containingD considering7. A controlledB spottedC repairedD changed8. A technicalB electronicC physicalD chemical9. A everythingB somethingC nothingD anything10. A weakB strongC toughD soft11. A usingB openingC turningD finishing12. A lawsB theoriesC toolsD results13. A airB electricityC lightD sound14. A asideB besideC insideD outside15. A a part ofB a pair ofC a piece ofD a lot of参考答案BACAD CBDAA BDCDD2012年职称英语理工类A级完形填空模拟练习（5）The Case of the Disappearing FingerprintsOne useful anti-cancer drug can effectively erase the whorls and other characteristic marks that give people their distinctive fingerprints. Losing 1 become troublesome. A case released online in a letter by Annals of Oncology indicates how big a 2 of losing fingerprints is.Eng-Huat Tan, a Singapore-based medical doctor describes a 62-year old man who has used capecitabine1 to 3 his nasopharyngeal cancer. After three years on the 4 , the patient decided to visit U.S. relatives last December. But he was stopped by U.S. customs officials 5 4 hours after entering the country when those officials couldn't get fingerprints from the man. There were no distinctive swirly 6 appearing from his index finger2.U.S. customs3 has been fingerprinting incoming foreign visitors for years, Tan says. Their index fingers are 7 and screened against digital files of the fingerprints of bad guys -- terrorists and potential criminals that our federal guardians have been tasked with keeping out of the country4. Unfortunately, for the Singapore travelers, one potential 8 effect of his drug treatmerit is a smoothing of the tissue on the finger pads6. 9 , no fingerprints."It is uncertain when fingerprint loss will 10 to take place in patients who are taking capecitabine," Tan points out. So he cautions any physicians who 11 the drug to provide their patients with a doctor's note pointing out that their medicine may cause fingerprints to disappear.Eventually, the Singapore traveler made it into the United States7. I guess the name on his passport didn't raise any red flags8. But he's also now got the explanatory doctor's note –and won't leave home 12 it.By the way, maybe the Food and Drug Administration9, 13 approved use of the drug 11 years ago, should consider 14 its list of side effects associated with this medicine. The current list does note10 that patients may experience vomiting, stomach pain and some other side effects. But no where15 it mention the potential for loss of fingerprints.词汇：fingerprint n.指纹nasopharyngeal adj.鼻咽的whorl n.罗纹，箩状指纹swirly adj.旋涡状的annals n.年度digit n.数字oncology n.肿瘤学onset n.开始capecitabine n.卡培他滨vomit v.呕吐注释：1. capecitabine 卡培他滨。

职称英语理工类A类分类模拟题完型填空专项突破完形填空根据短文内容为每处确定1个最佳选项。

Robots May Allow Surgery in SpaceSmall robots designed by University of Nebraska researchers may allow doctors on Earth to help perform surgery on patients in space.The tiny, wheeled robots, ] are about 3 inches tall and as wide as alipstick case, can be slipped into small incisions （切口）and computer-controlled by surgeons in different locations. Some robots are equipped 2 cameras and lights and can send images back to surgeons and others have surgical tools attached that can be 3 remotely.11 We think this is going to 4 open surgery, " Dr• Dmitry Oleynikov said at a news conference • Oleynikov is a 5 in computer-assisted surgery at the University of Nebraska Medical Center in Omaha.Officials hope that NASA will teach 6 to use the robots soon enough so that surgeries could one day be performed in space•On earth, the surgeons could control the robots themselves 7 other locations. For example, the robots could enable surgeons in other places to 8 on injured soldiers on the front line < Researchers plan to seek federal regulatory 9early next year • Tests on animals have been successful, and tests on humans in England will begin very soon.The camera-carrying robots can provide 10 of affected areas and the ones with surgical tools will be able to maneuver （操控）inside the body in ways surgeons 1 hands can11. The views from the camera-carrying robots are 11 than the naked eye, because they 12 back color images that are magnified （放大）. Because several robots can be inserted through one incision, they could reduce the amount and 13 of cuts needed for surgery, which would decrease recovery time. This is particularly 14 to those patients who have been debilitated （使虚弱）by long illness.Eventually, Oleynikov said, the tiny robots may enable surgeons to work without ever 15 their hands inpatients 1 bodies . 11 That1 s the goal, 11Oleynikov said • n It1 s getting easier and easier . We can do even more with these devices. n A・ since B. when C. which D. as2^ A. by B. with C. in D・on3^ A. controlled B. developed C. repaired D. provided4、A・ perform B. undergo C. follow D. replace5、A. reporter B. specialist C- designer D. director6、 A. astronauts B. nurses C. teachers D. trainers7、A・ by B. of C. from D. through8、 A. take B. put C. live D. work9、 A. approval B. questions C. treatment D. license10> A・ answers B. services C. views D- insights11> A. weaker B. stronger C. poorer D. better12、 A. send B. produce C. change D. create13> A. measure B. size C. power D. pressure14、A・ relevant B. true C. helpful D. interesting15> A・ touching B. pressing C. holding Solar StormAt the end of October 2003, a sudden solar storm hit storm refers to the large amounts of charged particles space 16 the solar energy increases. The release of theD. placing the earth. A solar released intoenergy 17 place18 of the storm exceeded expectations.This 19 of intense solar storm was caused by the eruption of a solar flare （闪光）and the e j ection （喷发）of the solar corona （日寇）on October28, 2003 .Large amounts of charged particles moved 150, 000 z 000 kilometers through space toward the 20 in 19 hours. They could affect aircraft roaming （漫游）in space.The high-energy particles will 21 some of the parts of an aircraft. They mayalso cause it to fail• High-energy particles can threaten the safety of an aircraft at a high orbit• If an aircraft orbits at a lower orbit, it is 22 because it isunder the protection of the earth1s magnetic field.A solar storm not only affects aircraft but also is a 23 to the environment and humans. The aerosphere and magnetic field of the earth can 24 humans fromultraviolet radiation and X-rays. While most of the X-rays are absorbed after they enter the aerosphere （大气层）, still a few can 25 the ground.The geomagnetic storm caused by this round of solar storm reaches its highest level on the two 26 of the earth, which affects electricity supply of North America. Overexposure to 27 threatens the health of passengers on planes flying over thePolar Regions. If we fly in the sky during such a solar storm, it 28 we receive ten times the X-ray radiation. It1s really damaging.Scientists say a solar eruption is like the sun sneezing, which will make the earth 29 a cold. Though this natural force is irresistible, scientists can still 30 its movement accurately by monitoring. Facing successive solar storms, humans can11 drop their guard.16、since B. when C. until D. though17、A ・finds B. adjusts C. holds D. takes18^ A. intensity B・ height C. width D. density19、A. pieceB. part C- round D. set20、A. starB. earth C- moon D- sun21、A. dominateB. develop C> damage D. descend22、A ・safe B. dangerous C. comfortable D. manageable23、A. limitB. cause C- force D. threat24、A. separateB. benefitC. distinguish D・ protect25、A. loseB. reachC. breakD. prepare26、A. polesB. mountainsC. rivers D> lakes27、A ・light B. storm C. radiation D. pressure28、A. recommends B・ means C. proposes D- advises29、A. turnB. stopC. becomeD. catch30、A. detectB. startC. experienceD. changeEarth ' s Inner CoreScientists have long struggled to understand what lies at the planet1 center• Direct observation of its center is impossible, so researchers must 31 to other evidence.In 1889, a German scientist detected a severe earthquake in Japan.Geophysicists concluded that shock waves 32 jolts （晃动）from one side of Earth through the center to the other side. Then in 1936, Danish geophysicist Inge Lehmann studied the waves 133 to determine that within Earth1s coreof molten （溶化了的）iron lies a solid inner core—but 34 that core was made of eluded （难倒）her. Other geophysicists quickly determined that Lehmann1s inner core was composed mostly 35 iron. Since then, Lehmann1s discovery has 36 conventional Earth science.But now scientists are challenging traditional theory with new and radical 37 . For example, Earth1s center could actually contain an n inner core within the inner core. n claim Ishii and colleague Adam Dziewonski.Analyzing hundreds of thousands of earthquake wave 38 , they maintain that the inner core has at its heart a tiny, even more solid sphere （球体）. This sphereH may be the oldest fossil 39 from the formation of Earth, H says Dziewonski.Dziewonski and Ishii speculate that shortly 40 Earth formed around 4. 8 billion years ago, a giant asteroid （小行星）smashed into the young planet and nearly melted it. But Earth1s center didn11 quite melt; it 41 mass as the planet cooled. The core within a core may be the kernel （核，C?）that endured. n Its presence could change our basic ideas about the 42 of the planet, 11 Dziewonski says.Dziewonski1 s idea is tame （温和的）compared to the 43 theories of independent geophysicist J. Marvin Herndon• Earth1s inner core is made not of iron, he claims, but a 44 of nickel and silicon. Herndon has a truly revolutionary notion< Within the nickel silicide （硅化物）inner core is also an H inner n inner core—an 8km-wide ball of the element uranium. Uranium is radioactive. Herndon thinks the uranium releases heat energy as its atoms 45 fission-split and crash into one another in a chain reaction. Inother words, we may live on top of a gigantic, H natural H nuclear power plant •31> A. try B- leave C. turn D. point32> A. create B. receive C. feel D・ overcome33^ A. work B. solution C. job D. patterns34、A. whether B. what C. why D. how35> A. from B. within C. of D. to36、A. followed B. dominated C. restored D. opposed37> A. ideas B. demands C. phenomena D. movements38^ A・ things B. acts C. methods D・ records39、 A. taken B. benefited C. left D. kept40、 A. after B. before C. since D. when41、A・ expanded B. modified C. gained D. melted42、A・ size B. origin C. structure D. shape43、A. radical traditional C. classical D. conventional44、A. system copy C. model D. compound45、A・ charge B- last C. experience D. showThe Greatest Mystery Of WhalesThe whale is a warm-blooded, air-breathing animal z giving birth to its young alive, sucking them—and, like all mamma1s, originated on land. There are many 46 of this. Its front flippers （鳍状肢），used for steering and stability, are traces of feet.Immense strength is 47 into the great body of the big whales, and in fact most of a whale 1 s body is one gigantic muscle. The blue whale 1 s pulling strength has been estimated 48 400 horsepower. One specimen was reported to have towed （拖）a whaling vessel for seven hours at the 49 of eight knots （节）.An angry whale will 50 a ship. A famous example of this was the fate of whaler Essex, 51 was sunk off the coast of South America early in the last century. More recently, steel ships have 52 their plates buckled （使弯曲）in the same way. Sperm whales （抹香鲸）were known to seize the old-time whaleboats in their jaws and crush them.The greatest 53 of whales is their diving ability. The sperm whale dives to the bottom for his 54 food, the octopus （章鱼）.In that search he is known to go as far down as 3,200 feet, where the 55 is 1,400 pounds, to a square inch. Doing so he will 56 underwater long as one hour. Two special skills are involved in this: storing up enough 57 （all whales are air-breathed）46、 A. aspects 47^ A. worked48、 A. at B.signs B.divided B・in4 9、A. number50> A. abandon51> A. as52、A. had53、A. interest54、A. favorite 55^ A. depth56、A. set57、A. heat58、A. witnessed59> A. system60、A. mentallyB.degreeB・ attackB.whoB.operatedB.jobB.fastB- pressureB.becomeB- energyB.determinedB.placeartificiallyC.waysC.builtC.ofC.distanceC.leaveC.whichC.seenC.dangerC.newC.levelC.remainC. foodC. appliedC. arrangementC・ manuallyD. reasonsD- movedD.withD.rateD.boardD.thatD.caughtD.mysteryD.sufficientD.sizeD.restD.oxygenD.calculatedD. equipmentD. automaticallyand tolerating the great change in pressure. Just how he does it scientists have not 58 . It is believed that some of the oxygen is stored in a special 59 of blood vessels, rather than just held in the lungs• And it is believed that a special kind of oil in his head is some sort of compensating mechanism that 60 adjusts the internal pressure of his body. But since you can't bring a live whale into thelaboratory for study, no one knows just how these things work.答案：完形填空1、c 2 、B 3、A 4、D 5、B 6、A 7^ C 8、D 9、A 10、C 11> D 12^ A 13、B 14、C 15、D 16>B 17> D 18、A 19、C 20、B 21>C 22、A 23、D 24、D 25、B 26、A 27、C 28、 B 29、D 30、A 31> C 32、A 33、D 34、B 35、C 36、B 37、A 38、D 39、C 40、A 41、C 42、B 43、A 44、D 45> C 46、B 47、C 48、A 49、 D 50、B 51、C 52、A 53、D 54、A 55、B 56、C 57>D 58、B 59、A 60、D。

职称英语理工类A级完形填空考试题及解析职称英语理工类A级完形填空考试题及解析enrich your life today,. yesterday is history.tomorrow is mystery.以下是店铺为大家搜索整理的职称英语理工类A级考试完形填空考试题及解析，希望能给大家带来帮助!Singing Alarms Could Save the BlindIf you cannot see, you may not be able to1 find your way out of a burning building — and that could be fatal. A company in Leeds could change all that2 1 directional sound alarms capable of guiding you to the exit.Sound Alert, a company 2 the University of Leeds, is installing the alarms in a residential home for 3 people in Sommerset and a resource centre for the blind in Cumbria. 4 produce a wide range of frequencies that enable the brain to determine where the 5 is coming from.Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be 6 by humans. “It is a burst of white noise 7 people say sounds like static on the radio,” she says. “Its life-saving potential is great.”She conducted an experiment in which people were filmed by thermal-imaging cameras trying to find their way out of3 a large 8 room. It 9 them nearly four minutes to find the door _10_ a sound alarm, but only 15 seconds with one.Withington studies how the brain 11 sounds at the university. She says that the 12 of a wide band of frequencies can be pinpointed more easily than the source of a narrow band. Alarms 13 the same concept have already been installed on emergency vehicles.The alarms will also include rising or falling frequencies toindicate whether people should go up 14 down stairs. They were 15 with the aid of a large grant from British Nuclear Fuels.1.在谓语动词中，不能并列使用两个情态动词，如 may和 can就不能并列使用。

职称英语考试/备考辅导2016年职称英语理工类A级完形填空基础题(1)Earth’s Inner CoreScientists have long struggled to understand what lies at the planet’s center, Directobservation of its center is impossible，so researchers must_____(51)to other evidence.In 1889，a German scientist detected a severe earthquake in Japan.Geophysicists concluded that shock waves_____(52)jolts(晃动)from one side of Earth through the center to theother side.Then in 1936，Danish geophysicist Inge Lehmann studied the waves______(53)to determine that within Earth’s core of molten(熔化了的)iron lies a solid inner core-but_____(54)that core was made of eluded(难倒)her.Other geophysicists quicklydetermined that Lehmann’s inner core was composed mostly_____(55)iron. Since then，Lehmann’s discovery has_____(56)conventional Earth science.But now scientists are challenging traditional theory with new and radical _____(57)For example，Earth’s center could actually contain an“inner core within the inner core，claim Ishii and colleague Adam Dziewonski.Analyzing hundreds of thousands of earthquake wave _____(58),they maintain that the inner core has at its heart a tiny, even more solid sphere(球体) . This sphere‘‘may be the oldestfossil____(59)from the formation of Earth，”says Dziewonski.Dziewonski and Ishii speculate thatshortly_____(60) Earth formed around 4.8billion years ago，a giant asteroid(小行星)smashed into the young planet and nearly melted it. But Earth’s center didn’t quite melt;it______(61)mass as the planet cooled. The core within a core may be the kernel(核心)that endured.“Its presence could change our basic ideas about the_____ (62)of the planet，”Dziewonski says idea is tame(温和的)compared to the_____(63)theories of independent geophysicist J.Marvin Herndon.Earth’s inner core is made not of iron，he claimsbut a_____(64)of nickel and silicon Hemdon has a truly revolutionary notion：Within the nickel silicide(硅化物)inner core is also an“inner”inner core―an 8 km―wide ball of the elementuranium.Uranium is radioactive.Hemdon thinks the uranium releases heat energy as itsatoms_____(65)fission-split and crash into another in a chain reaction. In other words,we may live on top of a gigantic, “natural”nuclear power plant.51 A try B leave C turn D point52 A create B receive C feel D overcome53 A work B solution C job D patterns54 A whether B what C why D how55 A from B within C of D to56 A followed B dominated C restored D opposed57 A ideas B demands C phenomena D movements58 A things B acts C methods D records59 A taken B benefited C left D kept60 A after B before C since D when61 A expanded B modified C gained D melted62 A size B origin C structure D shape63 A radical B traditional C classical D conventional64 A system B copy C model D compound65 A charge B last C experience D show参考答案：51.C 52.A 53.D 54.B 55.C56.B 57.A 58.D 59.C 60.A61.C 62.B 63.A 64.D 65.C51 c turn to other evidence：寻求其他证据。

职称英语理工类A级（阅读理解与补全短文）历年真题试卷汇编1(总分：80.00，做题时间：90分钟)一、阅读理解(总题数：2，分数：20.00)1.阅读理解 (第31-45题，每题下面有3篇短文后有5道题。

请根据短文内容，为每题选1个最佳选项。

（分数：10.00）__________________________________________________________________________________________ 解析：On the Trial of the Honey Badger On a recent field trip to the Kalahari Desert, a team of researchers learnt a lot more about honey badgers. The team employed a local wildlife expert, Kitso Khama, to help them locate and follow the badgers across the desert. Their main aim was to study the badgers' movements and behavior as discreetly as possible without frightening them away or causing them to change their natural behavior. They also planned to trap a few and study them close up before releasing them. In view of the animal's reputation, this was something that even Khama was reluctant to do. "The problem with honey badgers is they are naturally curious animals, especially when they see something new. " he says. "That, combined with their unpredictable nature, can be a dangerous mixture. If they sense you have food, for example, they won't be shy about coming right up to you for something to eat. They're actually quite sociable creatures around humans, but as soon as they feel they might be in danger, they can become extremely vicious. Fortunately this is rare, but it does happen. " The research confirmed many things that were already known. As expected, honey badgers ate any creatures they could catch and kill. Even poisonous snakes, feared and avoided by most other animals, were not safe from them. The researchers were surprised, however, by the animal's fondness for local melons, probably because of their high water content. Previously researchers thought that the animal got all of its liquid requirements from its prey. The team also learnt that, contrary to previous research findings, the badgers occasionally formed loose family groups. They were also able to confirm certain results from previous research, including the fact that female badgers never socialised with each other. Following some of the male badgers was a challenge, since they can cover large distances in a short space of time. Some hunting territories cover more than 500 square kilometers. Although they seem happy to share these territories with other males, there are occasional fights over an important food source, and male badgers can be as aggressive towards each other as they are towards other species. As the badgers became accustomed to the presence of people, it gave the team the chance to get up close to them without being the subject of the animals' curiosity—or their sudden aggression. The badgers' eating patterns, which had been disrupted, returned to normal. It also allowed the team to observe more closely some of the other creatures that form working associations with the honey badger, as these seemed to adopt badgers' relaxed attitude when near humans.(2013 年)（分数：10.00）(1).Why did the wild life experts visit the Kalahari Desert?（分数：2.00）A.To find where honey badgers live.B.To observe how honey badgers behave. √C.To catch some honey badgers for food.D.To find out why honey badgers have a bad reputation.解析：解析：细节考查题。

2019职称英语理工类A级完形填空精选练习题（一）American scientists say musical training seems to improve communication skills and Language retardation(延迟).They found that developing musical skill involvesthe___51___process in the brain as learning how to speak .The scientists believe that could ___52___children with learning disabilities .Nina Krauss is a neurobiologist at Northwestern University in lllinois .She says Musicaltraining___53___putting together different kinds of information, such as hearing music, looking at musical notes, touching an instrument and watching other musicians. The___54___ is not much different from learning how tospeak .Both involve different senses .She further explains musical training and learningto___55___each make us think about what we are doing .She say speech and music___56___ through a structure of the nervous system called he brain stem .The brain stem ___57___ our ability to hear .Until recently, experts have though the brain stem could not be developed or changed. ___58___ Professor Krauss and her team found that musical training can improve a person’s brain stem activity.The study involved individuals with different levels of musical___59___.They were asked to wear an electrical device that measures ___60___ activity. The individuals wore the electrode while they watched a video of someone speaking and a person playing a musical instrument---the cello(大提琴).Professor Krause says cello have sound qualities similar___61___some of the sounds that are important withspeech .The study found that the more years of training people had, the more___62___ they were to the sound and rhythm of the music. Those who were Involved in musical activities were the same people in whom the ___63___ of sensory events was the strongest. It shows the importance of musical training to children with learning ___64___.She says using music to improve listening skills could mean they___65___ sentences and understand facial expressions better .51. A. unique B. different C. same D. strange52. A. help B. tell C. remind D .entertain53. A. shapes B. involves C .relates D. enhances54. A. form B. step C. point D. process55. A. play B. sing C. speak D. think56. A. pass B. use C. look D. put57. A. develops B. controls C. assesses D. observes58. A. So B. Moreover C. As D. But59. A. instruments B. ability C. types D. contact60. A. physical B. musical C. speech D. brain61. A. as B. of C. to D. at62. A. familiar B. inactive C. critical D. sensitive63. A. reduction B. improvement C. interference D. implication64. A. styles B. disabilities C. interests D. approaches65. A. read B. write C. hear D. change参考答案：51. C. same 52. A. help 53. B. involves54. D. process 55. C. speak 56. A. pass57. B. controls 58. D. But 59. B. ability60. D. brain 61. C. to 62. D. sensitive63. B. improvement 64. B. disabilities 65. C. hear。

2019年职称英语理工类A级完型填空练习题及答案1Earth's Inner CoreScientists have long struggled to understand what lies at the planet's center. Direct observation of its center is impossible, so researchers must （1） to other evidence.In 1889, a German scientist detected a severe earthquake in Japan. Geophysicists concluded that shock waves （2） jolts （晃动） from one side of Earth through the center to the other side. Then in 1936, Danish geophysicist Inge Lehmann studied the waves' （3） to determine that within Earth's core of molten （熔化了的） iron lies a solid inner core －but （4） that core was made of eluded （难倒） her. Other geophysicists quickly determined that Lehmann's inner core was composed mostly （5） iron. Since then, Lehmann's discovery has （6） conventional Earth science.But now scientists are challenging traditional theory with new and radical （7）. For example, Earth's center could actually contain an "inner core within the inner core," claim Ishii and colleague Adam Dziewonski.Analyzing hundreds of thousands of earthquake wave （8）, they maintain that the inner core has at its heart a tiny, even more solid sphere （球体）. This sphere "may be the oldest fossil （9） from the formation of Earth," says Dziewonski.Dziewonski and Ishii speculate that shortly （10） Earth formed around 4.8 billion years ago, a giant asteroid （小行星） smashed into the young planet and nearly melted it. But Earth's center didn't quite melt; it （11） mass as theplanet cooled. The core within a core may be the kernel （核心） that endured. "Its presence could change our basic ideas about the （12） of the planet," Dziewonski says.Dziewonski's idea is tame （温和的） compared to the （13）theories of independent geophysicist J. Marvin Herndon.Earth's inner core is made not of iron, he claims, but a （14）of nickel and silicon. Herndon has a truly revolutionary notion： Within the nickel silicide （硅化物） inner core is also an "inner" inner core － an 8 km-wide ball of theelement uranium. Uranium is radioactive. Herndon thinks the uranium releases heat energy as its atoms （15） fission-split and crash into one another in a chain reaction. Inother words, we may live on top of a gigantic, "natural" nuclear power plant.1 A try B leave C turn D point2 A create B receive C feel D overcome3 A work B solution C job D patterns4 A whether B what C why D how5 A from B within C of D to6 A followed B dominated C restored D opposed7 A ideas B demands C phenomena D movements8 A things B acts C methods D records9 A taken B benefited C left D kept10 A after B before C since D when11 A expanded B modified C gained D melted12 A size B origin C structure D shape13 A radical B traditional C classical D conventional14 A system B copy C model D compound15 A charge B last C experience D show参考答案：1. C2. A3. D4. B5. C6. B7. A8. D9. C 10. A11. C 12. B 13. A 14. D 15. C。

2019年职称英语《理工类》完形填空强化试题Cia Andina do Triconos （CATSA）, a Bolivian joint venture of the U.S. Dresser Industries and local investors, which and based its investment _____（1）_____ an allocation under the metalworking program, closed its doors after _____（2）____ to penetrate the Andean market after more than two years in operation.The prospect of _____（3）_____ access to the Andean market, plus protection provided by a 55 percent "ad valorem" common outer tariff on bits sourced from outside the bloc, made the sales outlook seem _____（4）_____.However, CATSA's "monopoly" position in Ancom proved specious. _____（5）_____ the plant went on stream in 1974, the company was never able to export a single drill bit to the Andean market； and its local sales were _____（6）_____ a state-owned petroleum company. This market was clearly_____（7）_____, since the operation had been based on exporting the bulk of the plant's 200-unit-per-month capacity to the Andean area.CATSA could not penetrate the Ancom market for several reasons：Although Ancom _____（8）_____ a 55-percent common outer tariff on third-country imports, some Ancom countries had previously _____（9）_____ LAFTA （Latin American Free Trade Association） tariff concessions, which take precedence over the Ancom tariffs.Ancom members simply did not _____（10）_____ the spirit of the metalworking agreement. After the installation of the CATSA facility, plants producing tricone bits _____（11）_____ in Peru and Venezuela. Under the metalworking program, participating _____（12）_____ were committed to prohibiting new foreign investment in allocations of other Ancom countries. But on the question of new investment by local industry, the obligation was only not to encourage it, with no requirement to prevent it. _____（13）_____ Venezuela, it has no commitment to limit local production or to honor the outer tariff, because it was not yet a member of Ancom when the metalworking agreement was signed and was thus not a_____（14）_____ to the pact.Also, according to Bolivia, Colombia and Ecuador employed_____（15）_____ obstacles to avoid applying the common outer tariff.The withdrawal of Chile from Ancom cost Bolivia a lucrative potential market too.1. A） in B） to C） under D） on2. A） fail B） to fail C） failing D） succeeding3. A） no duty B） no-duty C） duty-bound D） duty-free4. A） good B） well C） bad D） badly5. A） So B） Although C） But D） Therefore6. A） confined to B） confined in C） expanded to D）exported to7. A） big enough B） sufficient C） too big D）insufficient8. A） has got B） got C） has imposed D） has imposed on9. A） admitted B） admitting C） granting D） granted10. A） learn B） honor C） take D） give11. A） are put B） are established C） were set up D） had set up12. A） member government B） members government C） member governments D） members governments13. A） In case of B） In the case of C） In case D） On case14. A） party B） member C） person D） partner15. A） a series of B） a great deal of C） a large amount of D） a great numberKEY：DCDAB ADCDB CCBAA。

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Stars in their eyesThe Scientific American Book of the Cosmos edited by David Levy, Macmillan, ￡20, ISBN 0333782933Previous generations of scientists would have killed to know what we know. For the first time in history, we have a pretty good idea of the material content of the Universe, our position within it and how the whole thing came into being.In these times of exploding knowledge there is adefinite need to take stock and assemble what we know in a palatable (受欢迎的) form. (46)The essays in The Scientific American Book of the Cosmos have been selected by David Levy, co-discoverer of Comet Shoemaker-Levy 9, which in 1994 struck Jupiter with the violence of several full-scale nuclear wars. (47) This is certainly a great collection of essays, but it is not, as the book promises, a seamless (完美的，无缝隙的) synthesis of our current knowledge.Nobody can fault the range of articles Levy has included. There are essays on the planets, moons and assorted debris(碎片) in the Solar System, and on our Galaxy, the Milky Way.(48)The contributors, too, are stars in their own fields. Not many books can boast chapters written by such giants as Erwin Schrodinger and Francis Crick. My personal favorites are a piercingly clear essay by Albert Einstein on general relativity and an article by Alan Guth and Paul Steinhardt on the inflationary (膨胀的) Universe.So much for t he book’s content. But Levy has not succeeded in providing an accurate synthesis of our current knowledge of the cosmos, which the book jacket promises. Gathering together previously published articles inevitably leaves subject gaps, missing explanations and so on. (49) But there isn’t one. In fact, surprisingly for a book so densely packed with information, there is no index.Collecting essays in this way is clearly a good publishing wheeze (巧妙的). But this approach shortchanges the public, who would be better served by an account molded into a seamless whole. (50) However, for the next edition, please, please can we have an index?A Tegmark fears he may hold the record for the longest time taken to read one book.B In a more positive vein, this is a wonderfulcollection of essays to dip in and out of if you already have a good overview (概述) of current cosmic understanding.C Levy is an active astronomer and an accomplished writer, so you’d expect him to provide a broad and accurate picture of our current understanding of the cosmos.D Scientific American has attempted to cater to this need by bringing together essays that have appeared in the magazine.E To some extent, these could have been plugged with a glossary (词表) of terms.F Also included are contributions on the world of subatomic particles, the origin of life on Earth and the possibility of its existence elsewhere.参考答案：46. D47. C48. F49. E50. B。