2023年职称英语理工类B级真题及答案.docx
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1、2023年职称英语理工类B级真题及答案第一部分:词汇选项1.The organization was bold enough to face the press.A.pleasedB.powerfulC.braveD.sensible2.I will not tolerate that sort of behavior in my class.A.acceptB.controlC.observeD.regulate3.I realized to my horror that I had forgotten the present.A.limitB.fearC.powerD.fool4.Most
2、 people find rejection hard to accept.A.excuseB.clientC.destinyD.refusal5.Shes extremely competent and industrious.A.hardworkingB.honestC.objectiveD.independent6.The doctors did not reveal the truth to him.A.hideB.handleC.discloseD.establish7.He tried to assemble his thoughts.A.clearB.shareC.gatherD
3、.spare8.The law carries a penalty of up to three years in prison.A.messageB.punishmentC.guiltD.obligation9.Prisoners were kept in the most appalling conditions.A.flexibleB.terribleC.reasonableD.serious10.These products are inferior to those we brought last year.A.poorer thanB.narrower thanC.larger t
4、hanD.richer than11.The political situation in the region has deteriorated rapidly.A.improvedB.changedC.worsenedD.developed12.There was a simultaneous trial taking place in the next building.A.coexistingB.fairC.fullD.pubic13.Theyre petitioning for better facilities for the disabled on public transpor
5、t.A.requestingB.planningC.preparingD.looking14.He said some harsh words about his brother.A.unkindB.properC.normalD.unclear15.We were attracted by the lure of quick money.A.amountB.supplyC.sumD.temp第二部分:阅读判断ADHD Linked to Air PollutantsChildren have an increased of attention problems, seen as early
6、as grade school. If their noses inhaled(吸入)a certain type of air pollution when they were pregnant. Thats the finding of a new study. Released when things arent burned completely, this pollution is known as polycyclic aromatic hydrocarbons, or PAHs. The biggest sources of these PAHs: the burning of
7、fossil fuels, wood and trash.Frederica Perera works at Columbia Universitys Mailman School of Public Health is New York City. She researches how exposure to things in the environment affects childrens health in a new study, she and her team studied the exposure to air pollution of 233 nonsmoking pre
8、gnant women in New York City. Because burning tobacco can spew(排放)PAHs into the air and lungs, Pereras team focused on nonsmokers. The researchers wanted to probe(探查)other sources of PAHs, ones thats would have been hard for an individual to avoid.The team started by testing the blood of each woman
9、during pregnancy. The reason Any PAHs in a womans blood would also be available to the baby in her womb. Nine years later, the researchers investigated signs of attention problems in those children, now age 9. They asked each childs mother a series of questions. These included whatever her child had
10、 problems doing things that needed sustained(长期旳)mental effort, such as homework or games with friends. The scientists also asked if the kids had trouble following instructions or made frequent, careless mistakes. All of these can be symptoms of a disorder called Attention Deficit Hyperactivity Diso
11、rder, or ADHD. About one in U.S. children has ADHD.Among the women studied, traffic and home heating were the primary sources of air pollution exposure, Perera and her team suspect. Some of these women had low levels of PAHs in their blood. Ohters had high levels. Those with high levels were five ti
12、mes as likely to have children who showed attention problems by age 9. The new findings were published November 5 in the journal PLOS ONE.16.Perera and her team chose nonsmoking pregnant women all over America.A.RightB.WrongC.Not mentioned17.The main purpose of the research was to find out how expos
13、ure to PAHs played a role in harming the subjects physical health.A.RightB.WrongC.Not mentioned18.Nonsmoking mothers were selected because the effect of smoking on PAHs was unclear.A.RightB.WrongC.Not mentioned19.The blood of each woman was tested once a month during pregnancy.A.RightB.WrongC.Not me
14、ntioned20.Kids with ADHD commonly fail in school.A.RightB.WrongC.Not mentioned21.The women with high levels of PAHs in their blood were more likely to have kids with ADHD.A.RightB.WrongC.Not mentioned22.Traffic and home heating were considered to be the biggest sources of PAHs for the subjects in th
15、e research.A.RightB.WrongC.Not mentioned第3部分:概况大意与完毕句子(第2330题,每题1分,共8分)下面旳短文后有2项测试认识:(1)第2326题规定从所给旳6个选项中为第14段每段选择1个最佳标题;(2)第2730题规定从所给旳6个选项中为每个句子确定1个最佳选项。First Image-recognitions software1)Dartmouth researchers and their colleagues have created an artificial intelligence software that uses photos t
16、o locate documents on the Internet with far greater accuracy than ever before.2)The new system, witch was tested on photos and is now being applied to videos, shows for the first time that a machine learning algorithm(运算法则)for image recognition and retrieval is accurate and efficienti enough to impr
17、ove large-scale document searches online. The system uses pixel(像素)data in images and potentially videorather than just textto locate documents. It learns to recognize the pixels associatedwith a search phrase by studying the results from text-based image search engines. The knowledge gleaned(搜集)fro
18、m those results can then be applied to other photos without tags or captions(图片阐明),making for more accurate document search results.3)“Over the last 30 years,” says Associate Professor Korenzo Torresani, a co-author of the study,”the web has evolved from a small collection of mostly text documents t
19、o a modern, massive, fast-growing multimedia datastet, where nearly every page includes multiple pictures of videos. When a person looks at a Web page, he immediately get the gist(主旨)of it by looking at the pictures in it. Yet, sruprisingly, all existing popular search engine, such as Google or Bing
20、, strip away the information contained in the photos and use exclusively the text of Wed pages to perform the document retrieval. Our study is the first to show that modern machine vision systems are accurate and efficient enough to make effective use of the information contained in image pixels to
21、improve document search.”4)The researchers designed and tested a machine vision systema type of artificialintelligence that allows computers to learn without being explicitly programmed that extracts semantic(语义旳)information from pixels of photos in Web pages. This informationg is used to enrich the
22、 description of the HTML page used by search engines for document retrieval. The researchers tested their approach using more than 600 search queries(查询)on a database of 50 million Wed pages. They selected the text-retrieval search engine with the best performance and modified it to make use of the
23、additional semantic information extracted by their method from the pictures of the Web pages. They found tht this produced a 30 percent improvement in precision over the original search engine purely based on text.23.Paragraph 1 _24.Paragraph 2 _25.Paragraph 3 _26.Paragraph 4 _A.Popularity of the ne
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