2025全国英语等级考试（PETS）二级试卷：大数据分析英语词汇

2025全国英语等级考试（PETS）二级试卷：大数据分析英语词汇考试时间：______分钟总分：______分姓名：______一、单项选择要求：从每小题的四个选项中选出可以填入空白处的最佳答案。1.Thedataanalyticsindustryisrapidlygrowing,andthedemandforskilledprofessionalsisincreasing__________.A.consequentlyB.continuouslyC.correspondinglyD.consequentlyly2.Datavisualizationisacrucialstepinthedataanalyticsprocess,asithelpsto__________complexdataintoamoreunderstandableformat.A.convertB.translateC.interpretD.analyze3.Bigdatareferstothelargeandcomplexdatasetsthataretoobigfortraditionaldataprocessingapplicationsto__________.A.handleB.manageC.dealwithD.process4.Dataminingistheprocessof__________patternsandinsightsfromlargedatasets.A.extractingB.detectingC.identifyingD.discerning5.Thedataanalyticsworkflowtypicallyinvolvesseveralsteps,includingdatacollection,__________,anddatavisualization.A.processingB.analysisC.interpretationD.storage6.Predictiveanalyticsisabranchofdataanalyticsthatfocuseson__________futureeventsbasedonhistoricaldata.A.predictingB.forecastingC.estimatingD.projecting7.Datascientistsusevarious__________toanalyzeandinterpretdata,suchasstatisticalanalysis,machinelearning,anddatamining.A.techniquesB.methodsC.toolsD.approaches8.Thedataanalyticsindustryishighlycompetitive,andprofessionalsneedtostay__________withthelatesttrendsandtechnologies.A.updatedB.informedC.awareD.knowledgeable9.Dataanalyticsplaysavitalroleinbusinessdecision-making,asithelpscompaniesto__________theirperformanceandidentifynewopportunities.A.evaluateB.assessC.measureD.analyze10.Oneofthechallengesofworkingwithbigdataistheneedfor__________toolsandtechnologiestoprocessandanalyzethedata.A.advancedB.sophisticatedC.complexD.powerful二、完形填空要求：阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。Inthe__________ofbigdata,dataanalyticshasbecomeanessentialtoolforbusinessesandorganizationsacrossvariousindustries.Dataanalyticsinvolvestheprocessof__________largevolumesofdatatoextractvaluableinsightsandmakeinformeddecisions.Withthe__________ofdataanalytics,businessescanimprovetheiroperations,enhancecustomerexperiences,andgainacompetitiveedge.Datavisualizationisacrucialstepinthedataanalyticsprocess.Itinvolves__________dataintovisualformats,suchascharts,graphs,andmaps,tomakeiteasierforpeopletounderstandandinterpret.Byusingdatavisualization,businessescanidentifytrends,patterns,andanomaliesintheirdata,whichcanhelpthemmakebetterdecisions.Oneofthekeychallengesindataanalyticsisthe__________ofdata.Withthe__________ofdatasourcesandtheincreasingvolumeofdatabeinggenerated,itisbecomingmoredifficultfororganizationstomanageandprocessthedataeffectively.Toovercomethischallenge,businessesneedtoinvestin__________toolsandtechnologiesto__________theirdata.Anotherimportantaspectofdataanalyticsisdatamining.Datamininginvolves__________patternsandinsightsfromlargedatasets.Byusingdataminingtechniques,businessescanuncovervaluableinformationthatcanhelpthemimprovetheiroperations,developnewproducts,andidentifynewmarketopportunities.Inconclusion,dataanalyticsisapowerfultoolthatcanhelpbusinessesandorganizationssucceedinthe__________ofbigdata.Byinvestingintherighttoolsandtechnologies,andbydevelopingaskilledworkforce,businessescanleveragedataanalyticstogainacompetitiveedgeanddrivegrowth.11.A.context12.A.analyzing13.A.rapid14.A.converting15.A.abundance16.A.diversity17.A.advanced18.A.manage19.A.extracting20.A.era四、阅读理解要求：阅读下面短文，从每小题的四个选项中选出可以填入空白处的最佳答案。Dataanalyticshasbecomeanintegralpartofmodernbusinessoperations.Itinvolvestheuseofstatisticalanalysis,machinelearning,anddataminingtechniquestoextractmeaningfulinsightsfromlargedatasets.Herearesomekeypointstoconsideraboutdataanalytics:1.Dataanalyticshelpsbusinessesmakeinformeddecisionsbyprovidingthemwithactionableinsights.2.Itallowsorganizationstoidentifypatternsandtrendsintheirdatathatmaynotbeimmediatelyapparent.3.Dataanalyticscanhelpbusinessesoptimizetheiroperations,improvecustomersatisfaction,andincreaseprofitability.Readthefollowingpassageandanswerthequestionsthatfollow:Theadventofbigdatahasrevolutionizedthewaybusinessesoperate.Companiesnowhaveaccesstovastamountsofdatafromvarioussources,includingsocialmedia,customertransactions,andIoTdevices.Thisdatacanbeusedtogainvaluableinsightsintocustomerbehavior,markettrends,andbusinessperformance.21.Whatisthemainpurposeofdataanalyticsinbusinessoperations?A.ToincreasesalesB.TomakeinformeddecisionsC.ToreducecostsD.Toimprovecustomerservice22.Howdoesdataanalyticshelpbusinessesidentifypatternsandtrends?A.ByusingdatavisualizationtechniquesB.ByanalyzingcustomerfeedbackC.ByconductingmarketresearchD.Byhiringmoreemployees23.Whatisoneofthebenefitsofusingdataanalyticstooptimizeoperations?A.IthelpsbusinessesreducewasteB.ItincreasesemployeeproductivityC.ItimprovescustomersatisfactionD.Itenhancesproductdevelopment24.Whichofthefollowingisnotabenefitofdataanalyticsinbusiness?A.IncreasedprofitabilityB.Improveddecision-makingC.EnhancedcustomerserviceD.Decreasedinnovation25.Howhastheadventofbigdataaffectedbusinesses?A.IthasmadedataanalyticsmorecomplexB.IthasincreasedtheneedforskilleddataanalystsC.IthasreducedtheimportanceofdataanalyticsD.Ithasmadetraditionalbusinesspracticesobsolete五、翻译要求：将下面句子翻译成英文。随着大数据技术的不断发展，数据分析师在商业决策中的作用越来越重要。Asbigdatatechnologycontinuestoevolve,theroleofdataanalystsinbusinessdecision-makingbecomesincreasinglysignificant.六、简答题要求：根据所学知识，简要回答以下问题。1.请简述数据挖掘在数据分析中的作用。2.数据可视化在数据分析中的重要性体现在哪些方面？3.请列举两种常用的数据清洗方法。本次试卷答案如下：一、单项选择1.A.consequently解析：根据句意，这里表示数据分析师行业迅速增长，对技能型人才的需求随之增加，因此选用“因此，所以”的词义。2.B.translate解析：根据句意，数据可视化是数据分析过程中的关键步骤，它有助于将复杂的数据转换为更易于理解的形式，因此选用“转换”这个词。3.A.handle解析：根据句意，大数据指的是大型且复杂的数据集，这些数据集对于传统的数据处理应用来说太大，无法处理，因此选用“处理”这个词。4.A.extracting解析：根据句意，数据挖掘是从大型数据集中提取模式和洞察的过程，因此选用“提取”这个词。5.B.analysis解析：根据句意，数据分析工作流程通常包括数据收集、分析、数据可视化等步骤，因此选用“分析”这个词。6.B.forecasting解析：根据句意，预测分析是数据分析的一个分支，它侧重于基于历史数据预测未来事件，因此选用“预测”这个词。7.A.techniques解析：根据句意，数据科学家使用各种技术来分析和解释数据，如统计分析、机器学习、数据挖掘等，因此选用“技术”这个词。8.A.updated解析：根据句意，数据分析行业竞争激烈，专业人士需要保持对最新趋势和技术更新，因此选用“更新”这个词。9.A.evaluate解析：根据句意，数据分析在商业决策中起着至关重要的作用，它帮助企业评估其绩效并识别新的机会，因此选用“评估”这个词。10.B.sophisticated解析：根据句意，处理大数据的一个挑战是需要先进的工具和技术来处理和分析数据，因此选用“复杂的”这个词。二、完形填空11.A.context解析：根据句意，大数据的背景下，数据分析已成为各行各业企业和组织的必要工具，因此选用“背景”这个词。12.A.analyzing解析：根据句意，数据分析涉及分析大量数据以提取有价值的见解，因此选用“分析”这个词。13.A.rapid解析：根据句意，大数据的快速发展，数据分析已成为各行各业企业和组织的必要工具，因此选用“迅速的”这个词。14.A.converting解析：根据句意，数据可视化是将数据转换为视觉格式的过程，如图表、图形和地图，因此选用“转换”这个词。15.A.abundance解析：根据句意，随着数据源的增加和数据生成的增加，数据管理变得越来越困难，因此选用“大量”这个词。16.A.diversity解析：根据句意，随着数据源的增加和数据生成的增加，数据管理变得越来越困难，因此选用“多样性”这个词。17.A.advanced解析：根据句意，为了克服这一挑战，企业需要投资先进的工具和技术来管理数据，因此选用“先进的”这个词。18.A.manage解析：根据句意，为了克服这一