28．细节理解题。根据第一段最后一句“AsChinasoldindustrieshaveslowedsharplyoverthepastdecade,theboomingtechnologyindustryhaskepttheeconomygrowingsteadily.(随着中国的老工业在过去十年中急剧放缓，蓬勃发展的科技行业保持了经济的稳定增长)”可知，蓬勃发展的数字科技使中国经济得以稳定发展。故选A。
29．推理判断题，根据第三段中“Incountrieswherepeoplehavedifficultyevenfindingpublicfacilities,abankorahospital,theywilljumpatthefirstdigitaloptionthatcomesalong.Thoughonly5oftheKenyanscarrycreditcards,morethan70haveaccesstodigitalbanking.(在那些人们甚至连找公共设施、银行或医院都困难的国家，人们会欣然接受出现的第一个数字选择。虽然只有5的肯尼亚人携带信用卡，但超过70的人可以使用数字银行)”可知，作者提及肯尼亚人是为了呈现新兴经济体对数字科技的热情。故选C。
30．推理判断题，根据第四段“Thedigitalimpactonproductivityisvisibleontheground,Manygovernmentsaremovingservicesonlinetomakethemmoretransparentandlessvulnerabletocorruption,perhapsthemostfearedobstacletodoingbusinessintheemergingworld.Since2010,thecostofstartingabusinesshasbeensteadyindevelopedcountrieswhilefallingsharplyinemergingmarketcountries,from66tojust27oftheaverageannualincome.Entrepreneurscannowlaunchbusinessesaffordably,organizingmuchofwhattheyneedonasmartphone.(数字技术对生产力的影响在当地是显而易见的，许多政府正在将服务转移到网上，以使其更加透明，更不容易受到腐败的影响，这可能是在新兴国家做生意最令人担心的障碍。自2010年以来，在发达国家，创业成本一直保持稳定，而在新兴市场国家，创业成本则大幅下降，从平均年收入的66降至27。企业家现在可以以经济实惠的价格开办企业，用智能手机组织他们需要的大部分东西)”可知，数字化企业得以在新兴经济体蓬勃发展的重要因素是创办企业成本的降低。故选B。
31．主旨大意题。根据第二段中“NowChinasemergingmarketpeersaregettingapushfromthesamedigitalengines.(如今，中国的新兴市场同行正受到同样的数字引擎的推动)”以及最后一段“Theeraofrapiddigitizationhasonlyjustbegun.Thisoffersmanydevelopingeconomiesarevolutionarynewpathtocatchingupwiththelivingstandardsofthedevelopedworld.(快速数字化的时代才刚刚开始。这为许多发展中经济体提供了一条革命性的新道路，以赶上发达国家的生活水平)”结合文章主要谈论当全球新兴经济体面临发展困境时，快速发展的数字化革命为其提供了一条新道路。D选项“数字技术将拯救缓慢的新兴市场”最符合文章标题。故选D。
D
AstudyledbyPlana-Ripoll,adoctoratAarhusUniversityinDenmark,triestodealwithafundamentalquestionthathasbotheredresearchersformorethanacentury—whatexactlycausesmentalillness？
Inthehopeoffindingtheanswer,scientistshavepiledupalargeamountofdataoverthepastdecade,throughstudiesofgenesandbrainactivity.Theyhavefoundthatmanyofthesamegenesunderlieseeminglydistinctdisordersandthatchangesinthebrain’sdecision-makingsystemscouldbeinvolvedinmanyconditions.
Theresearchersarealsorethinkingtheoriesofhowourbrainsgowrong.Theideathatmentalillnesscanbeclassifiedintodistinct,separatecategorieslike“anxiety”hasbeendisprovedtoalargeextent.Instead,recentlythey’vefoundthatdisordersshadeintoeachother,andtherearenoharddividinglines.
Theresearchersaretryingtounderstandthebiologythatunderliesmentalillness.Theyhaveafewtheories.Perhapsthereareseveraldimensionsofmentalillness,sodependingonhowapersonscoresoneachdimension,theymightbemorelikelytohavesomedisordersthanothers.Analternativeideaisthatthereisasinglefactorthatmakespeopleeasiertosufferfrommentalillnessingeneral.Whatdisordertheydevelopisthendeterminedbyotherfactors.Bothideasarebeingtakenseriouslythoughtheformeroneismorewidelyacceptedbytheresearchers.
Thedetailsarestillunclear,butmostresearchersagreethatonethingisspecific:Theoldsystemofcategorizingmentaldisordersintoneatboxesdoesnotwork.Theyarealsohopefulthat,inthelongrun,replacingthisframeworkwithonethatisgroundedinbiologywillleadtonewdrugsandtreatments.Theresearchersaimtoreveal,forinstance,thekeygenes,brainregionsandneurologicalprocessesinvolvedinpsychopathology(精神病理学),andtargetthemwithtreatments.Althoughitmighttakeawhiletogetthere,theyarelong-termoptimisticifthefieldreallydoesitswork.
32．Whataspectofmentalillnesshasbeenpuzzlingresearchersaccordingtothetext？
A．Itssymptoms.B．Itsroots.
C．Itscategories.D．Itstheories.
33．Whathavetheresearchersfoundfromtherecentstudy？
A．Thereexistlinksbetweenmentaldisorders.
B．Brainfunctionhaslittletodowithmentalillness.
C．Mentalillnessisclassifiedintodifferentcategories.
D．Genesarecompletelydifferentindistinctmentaldisorders.
34．Whichoneismorewidelyacceptedbytheresearchersaccordingtoparagraph4？
A．Thetheoryofgeneticinfluences.
B．Thebeliefofbrainabnormalities.
C．Theconceptofmultipledimensions.
D．Theideaofthedeterminedriskfactor.
35．Whatcanwelearnaboutmentalillnessfromthetext？
A．Huntingforitsbiologymighthelp.
B．Itsgenesaretoocomplextostudy.
C．Scientistsareclearaboutitsdetails.
D．Itsnewdrugscouldbeavailablesoon.
【答案】32．B；33．A；34．C；35．A；
【刘凯老师解析】【导语】这是一篇说明文。研究人员提出了一些有关精神疾病的新理论，并希望多了解其病理以及引发精神疾病的生物学因素，从而研制出有效的药物。
32．细节理解题。根据第一段内容“AstudyledbyPlana-Ripoll,adoctoratAarhusUniversityinDenmark,triestodealwithafundamentalquestionthathasbotheredresearchersformorethanacentury—whatexactlycausesmentalillness？(丹麦奥胡斯大学的Plana-Ripoll博士领导了一项研究，试图解决一个困扰了研究人员一个多世纪的基本问题——到底是什么导致了精神疾病？)”可知，精神疾病的根源是什么这一问题困扰了研究人员一个多世纪。故选B项。
33．细节理解题。根据第三段最后一句“Instead,recentlythey’vefoundthatdisordersshadeintoeachother,andtherearenoharddividinglines.(相反，他们最近发现，紊乱相互影响，并且没有明显的分界线。)”可知，研究人员最近发现各种精神疾病之间是相互联系的，没有标准的分界线。故选A项。
34．细节理解题。根据第四段的“Perhapsthereareseveraldimensionsofmentalillness,sodependingonhowapersonscoresoneachdimension,theymightbemorelike
