2003年至2010年职称英语考试理工类B级历年真题及复习资料.doc

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1、精品文档2021年职称英语理工类(B级)考试真题及答案第1局部：词汇选项(第115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，请为每处划线局部确定1个意义最为接近的选项。1Patricia stared at the other girls with resentmentAangerBdoubtClove考试大论坛Dsurprise2The document was compiled by the Department of HealthAwrittenBprintedCattachedDsent3Hes spent years cultivating a knowled

2、ge of artAsharingBusingCdenyingDdeveloping4Weve seen a marked shift in our approach to the social issuesAclearBregularCquickDgreat5.Her father was a quiet man with graceful mannersApoliteBsimilarCusualDbad6.I want to provide my boys with a decent educationAgoodBspecialCprivateDgeneral7In the process

3、，the light energy converts to heat energyAchangesBreducesCleavesDdrops8Many cities have restricted smoking in public placesAlimitedBallowedCstoppedDkept9 What are my chances of promotion if I stay here?AretirementBadvertisementCadvancementDreplacement10If we leave now，we should miss the trafficAdire

4、ctBstopCmixDavoid11There was a profound silence after his remarkAproudBshortCsuddenDdeep12I enjoyed the play it had a clever plot and funny dialoguesAlongBboringCoriginalDhumorous13The thief was finally captured two miles away from the villageAcaughtBkilledCfoundDjailed14Such a database would be ext

5、remely costly to set upAtransferBdestroyCestablishDupdate15The two banks have announced plans to merge next yearAcombineBsellCcloseDbreak第2局部：阅读判断(第1622题，每题1分，共7分)下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A；如果该句提供的是错误信息，请选择B；如果该句的信息文中没有提及，请选择C。A Great Quake Coming?Everyone who lives in San Fra

6、ncisco knows that earthquakes are common in the bay area and they can be devastatingIn 1906，for example，a major quake destroyed about 28，000 buildings and killed hundreds，perhaps thousands of peopleResidents now wonder when the nextBig Onewill strikeIts bound to happen somedayAt least seven active f

7、ault(断层)lines run through the San Francisco areaFaults are places where pieces of Earths crust(地壳)slide past each otherWhen these pieces slip，the ground shakesTo prepare for that day, scientists are using new techniques to reanalyze the 1906 earthquake and predict how bad the damage might be when th

8、e next one happens考试大中国教育考试门户网站(。com)One new finding about the 1906 earthquake is that the San Andreas fault split apart faster than scientists had assumed at the timeDuring small earthquakes，faults rupture(断裂)at about 2.7 kilometers per secondDuring bigger quakes，however，ruptures can happen at rate

9、s faster than 3.5 kilometers per secondAt such high speedsmassive amounts of pressure build up，generating underground waves that can cause more damage than the quake itselfLucky for San Francisco，these pressure pulses(脉冲)travel away from the city during the 1906 eventAs bad as the damage was，it coul

10、d have been far worseLooking ahead，scientists are trying to predict when the next major quake will occurRecords show that earthquakes were common before 1906Since then，the earthquake has been relatively quietPatterns in the data，however，suggest that the probability of a major earthquake striking the

11、 Bay Area before 2032 is at least 62 percentNew buildings in San Francisco are quite safe in case of future quakesStill，more than 84 per-cent of the citys buildings are old and weakAnalyses suggest that another massive earthquake would cause extensive damagePeople who live there tend to feel safe be

12、cause San Francisco has remained pretty quiet for a whileAccording to the new reseaych，however，its not a matter ofif the Big One will hitIts just a matter of when16The San Francisco area is located above several active fault linesARightBWrongCNot mentioned17The 1906 earthquake in San Francisco is th

13、e most severe one in American historyARightBWrongCNot mentioned18The highest speed of fault ruptures in the 1906 quake was more than 3.5 kilometers per second.ARightBWrongCNot mentioned19Earthquakes rarely happened before 1906ARightBWrongCNot mentioned20San Francisco is fully prepared for another bi

14、g earthquakeARightBWrongCNot mentioned21Scientist will be able to predict the exact time of an earthquake soonARightBWrongCNot mentioned22A major earthquake striking San Francisco someday is inevitableARightBWrongCNot mentioned第3局部：概括大意与完成句子(第2330题，每题1分，共8分)下面的短文后有2项测试任务：(1)第23-26题要求从所给的6个选项中为第25段每段

15、选择1个最正确标题；(2)第2730题要求从所给的6个选项中为每个句子确定1个最正确选项。Natural GasNatural gas is produced from reservoirs deep beneath the earths surfaceIt is a fossil fuel，meaning that it is derived from organic material buried in the earth millions of years ago.The main component of natural gas is methane(甲烷).The popularit

16、y and use of clean natural gas has increased dramatically over the past 50 years as Dipeline infrastructure(根底设施)has been installed to deliver it conveniently and economically to millions of residential，commercial and industrial customers worldwideToday，natural gas service is available in all 50 sta

17、tes，and is the leading energy choice for fueling American homes and indus-triesMore than 65 million American homes use natural gasIn fact，natural gas is the most eco-nomical source for home energy needs，costing one-third as much as electricity. In addition to heat-ing homes，much of the gas used in t

18、he United States is used as a raw material to manufacture a wide variety of products，from paint，to fibers for clothing，to plastics for healthcare，computing and fur-nishings Natural gas is also used in a significant number of new electricity-generating power plants.Natural gas is one of the safest an

19、d cleanest fuels available It emits less pollution than other fossil fuelsdioxide(二氧化碳)and water vapor-the same substances emitted when humans ex-haleCompared with some other fossil fuels，natural gas emits the least amount of carbon dioxide in-to the air when combusted(燃烧)-making natural gas the cle

20、anest burning fossil fuel of allThe industry also is subject to substantial federal regulation in the areas of production and distribution，which help ensure it is provided to consumers safely and cleanlyThe United States consumes about one-third of the worlds natural gas output，making it the lar-ges

21、t gas consuming region in the worldThe USDepartment of Energys Energy Information Ad-ministration forecasts that natural gas demand will grow by more than 50 percent by 2025.There are huge reserves of natural gas beneath the earths surfaceThe largest reserves of natu-ral gas can be found in Russia，W

22、est and North Africa and the Middle EastLNG(液化天然气)has been produced domestically and imported in the United States for more than four decades.To-day，the leading importers of LNG are Japan，Korea，France and Spain.23Paragraph 2_24Paragraph 3_ 25Paragraph 4_26Paragraph 5_APopularity and use of natural g

23、asBNatural gas reserves and supplyCNatural gas pricesDClean fuel of choiceEDisadvantages of natural gasFNatural gas consumption27Natural gas is stored deep_.28Natural gas is recognized as the most economical energy source _.29When manufacturing many products，people commonly use natural gas _.30It is

24、 estimated that by 2050 that natural gas demand in the United States will increase_.Aover the past 50 yearsBbeneath the earth surfaceCby more than 50 percentDfor more than four decadesEas a raw material Ffor home energy needs第4局部：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。请根据短文内容，为每题确定1个最正确选项。第一篇Walki

25、ng to Exercise the BrainDo you think sitting and studying all the time will improve your grades?Think againGetting some exercise may help，tooNew research with older people suggests that taking regular walks helps them pay attention better than if they didnt exercisePrevious research had shown that m

26、ice learn，remember，and pay attention better after a few weeks of working out on a running wheelMice that exercise have greater blood flow to the brain than those who dontTheir brain cells also make more connectionsNeuroscientists from the University at Urbana-Champaign wanted to find out if the same

27、 thing is true for peopleFirst，they measured the physical fitness of 41 adults，ages 58 to 77，after each per-son walked 1 mileThen，participants looked at arrows on a computer sczeen and had to use com-puter keys to show which way one particular arrow was pointingAdults who were physically fit were fa

28、ster at the arrow task，and their answers were just as ac- curate as their less-fit peers,the researchers foundThe fitter participants also had more blood flow to a part of their brain responsible for paying attention and making decisionsIn a second study，15 elderly people who completed a 6-month aer

29、obic-training course were fas-ter at attention tasks compared with 14 seniors who just did stretching and toning exercises for the same amount of time考试大论坛So，even going for a walk every 2 or 3 days forjust 10 to 45 minutes can helpThat should be good news for your grandparentsThe effects of exercisi

30、ng on the brains of younger people havent been studied yetStill，it cant hurt to take occasional study breaks and go for a walk or run around with your friendsYou might even do better in schoolWhatever you do，though，dont try to read and walk at the same timeYou could end up hurting yourseff!31Walking

31、 regularly helps elderly people_Alose weightBbecome happierCconcentrate betterDlook younger32After taking exercise for a few weeks，the mice were found to have_Ahigher blood pressureBfaster heartbeatCmore blood flow to the brainDbetter appearance33The first study on 41 elderly people found_Athe less-

32、fit participants did arrow tasks fasterBthe fitter participants did arrow tasks fasterCthe less-fit participants gave more accurate answersDthe fitter participants gave more accurate answers34It can be good for health when one takes a walk every 2 or 3 days for at least_A3 minutesB45 minutesC30 minu

33、tesD10 minutes35It is suggested in the last paragraph that people should_Arun around once a weekBnot read and walk at the same timeCgo for a walk every dayDnot hurt their friends while exercising第二篇Night of the Living AntsWhen an ant dies，other ants move the dead insect out of the nestThis behavior

34、is interesting to scientists，who wonder how ants know for sure and so soon that another ant is deadDong-Hwan Choe，a scientist at the University of California found that Argentine ants have a chemical on the outside of their bodies that signals to other antsIm deadtake me awayBut theres a twist to Ch

35、oes discoveryThese ants ave a little bit like zombies(僵尸)Choe says that the living ants，not just the dead ones，have this death chemicalsIn other wordsWhile an ant crawls around，perhaps in a picnic or home，its telling other ants that its deadWhat keeps ants from hauling away the liring dead?Choe foun

36、d that Argentine ants have two additional chemicals on their bodies，and these tell nearby ants something like，Wait-Im not dead yet，So Choes research turned up two sets of chemical signals in ants：one says，Im deadthe other set says，Im not dead yetOther scientists have tried to figure out how ants kno

37、w when another ant is dead If an ant is knocked unconscious，other ants leave it alone until it wakes upThat means ants know that unmoving ants can still be aliveChoe suspects that when an Argentine ant dies，the chemical that saysWait-Im not dead yet quickly goes away.Once that chemical is gone，only

38、the one that saysIm deadis leftIts because the dead ant no longer smells like a living ant that it gets carried to the graveyard(墓地)，not because its body releases new unique chemicals after death，said Choe When other ants detect thedeadchemical without thenot dead yetchemical，they haul away the body

39、 This was choes hypothesis(假设)考试大论坛To test his hypothesis，Choe and his team put different chemicals on Argentine ant pupae(蛹). When the scientists used theIm deadchemical，other ants quickly hauled tbe treated pupae away. When the scientists used theWait-Im not dead yetchemicals，other ants left the t

40、reated pupae alone.Choe believes this behavior shows that thenot dead yetchemicals override(优先于) thedeadchemical when picked up by adult ants And that when an ant dies，thenot dead yetchemicals fade awayOther nearby ants then detect the remainingdeadchemical and remove the body from the nest36What is

41、 meant bydeath chemicalmentioned in paragraph 3?AA chemical that contains poisonBA chemical that causes deathCA chemical that announces deathDA chemical that prevents death37Which of the following statements is NOT true of ants?AAnts know very soon that another ant is deadBWhen an ant is dead，others

42、 move its body out of the nestCIf an ant is unconscious，it is moved out of the nestDLiving ants have theIm deadchemical on their bodies38According to Choes hypothesis，_.Aan ant still smells like a living when it diesBtheI am deadchemical leaves the ants body when it diesCtheI am not dead yetchemical

43、 is left when an ant diesDtheI am not dead yetchemical leaves the ants body when it dies39According to paragraph 7，what is the result of the test on Choes hyothesis?AIt shows that his hypothesis is wrongBIt proves that his hypothesis is convincingCIt suggests that his hypothesis needs revisingDNot e

44、nough evidence has been found to support his hypothesis40The passageNight of the Living Antstells us about_.Ahow an ant is moved out of the nest at nighBwhat an ant does at nightChow an ant finds its way in darknessDwhat happens when an ant dies第三篇The IcemanOn a September day in 1991，two Germans wer

45、e climbing the mountain between Austria and ItalyHigh up on a mountain pass，they found the body of a man lying on the ice. At that height (10,499 feet or 3，200 meters)，the ice is usually permanent，but 1991 had been an especially warm yearThe mountain ice had melted more than just usual and so the bo

46、dy had come to the surfaceIt was lying face downwardThe skeleton(骨架)was in perfect condition，except for a wound in the headThere was still skin on the bones and the remains of some clothesThe hands were still holding the wooden handle of an ax and on the feet there were very simple leather and cloth boo