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[时闻型阅读理解](限时：25分钟)(一)XI'AN—Chinahasintroducedvariousemergencyresponsesandlongtermmeasuresagainstairpollutioninthecentralandeasternregions.Theairqualityindex(AQI)forXi'anreached500onWednesdayafternoon,atthetopoftheAQIscale,accordingtothenationalairqualitymonitoringwebsite.Xi'anweatherforecasterspredictthesmog(雾霾)willcontinueforthenextweekandairpollutionmayworsen.“Ihavetokeepbuyingmasksformyfamily，”saidLiu,buyingmasksatapharmacy(药店)nearherhomeindowntownXi'an.“Thisistheonlythingwecandotoprotectourselves.”OnWednesday,acitygovernmentemergencyresponseplanwasputintoaction,suspendingalltheconstructionandtakingatleast50percentofgovernmentvehiclesofftheroad.Powerplantsmustlimittheiroutputandreduceemissions.Nearlyhalfthecountry,morethan100citiesin20provinces,hassufferedfromsmogsincelastDecember.Manyhavetakenaction,includingexperimentingwithartificialmethodstoreducesmog,limitingvehicleuseandfiningpolluters.AssessmentsbasedonGDPalonewereabandonedlastmonthandmoreemphasishasbeenputonpublicwellbeingandtheenvironment.Whetherthemovewillbeeffectiveinforcinglocalgovernmentsconsiderenvironmentalissuesovereconomicgrowthremainstobeseen.Environmentalprotectionprofessionalsaredoubtfulabouttheimmediacyoftheeffectsofthesemeasures.XiaoHang,anurbanresearcherattheChineseAcademyofSciences,saidittookLondon50yearstolosethemoniker(绰号)“foggyLondontown”，andLosAngelesstillstrugglestocontrolitsphotochemical(光化学)smog.“Wecan'tignoreenvironmentalproblemsduringthedevelopmentprocessandChinahasalongwaytogo，”hesaid.1．Whatwouldbethebesttitleforthearticle?A．AQIforXi'anreached500B．Smogcrisistriesthelimitsofpeople'spatienceC．SmoggyChinesecitiestocleartheairD．Dustmasksbecomehotsellers2．Theunderlinedword“suspending”inParagraph4canbereplacedby“________”．A．encouragingB．stoppingC．continuingD．expanding3．Wecaninferfromthearticlethat________.A．ChinaistheonlycountrysufferingfromsmogB．environmentalprofessionalsbelievetheairqualitywillsoonbeimprovedwiththesemeasuresC．assessmentsbasedonGDPalonewereharmfultoenvironmentalprotectionD．Xi'anwasthemostpollutedcityinChina4．WhatXiaoHangsaidindicates________.A．Londonstillhasseriousairpollutionafter50yearsofeffortB．thedevelopmentofChinaismoreimportantC．solvingenvironmentalproblemsrequiresgreateffortD．it'snormalforChinatohaveenvironmentalproblems(二)Theyalreadyguideblindanddisabledpeople;nowdogsaretobetrainedtohelppeoplewithdementia(痴呆)orAlzheimer'sdisease.Alzheimer'sdiseasecanmakepeopleconfusenightanddayorforgetbasicthingssuchaswashingordrinkingenoughwater.Thedogswillbetrainedtorespondtosoundtriggers(触发器)inthehomethatcausethemtoperformtasks.Thedutieswillincluderemindingtheirownerstotakemedicine,aswellasencouragingthemtoeat,drinkandsleepregularly.TheideawasdevelopedbydesignstudentsattheGlasgowSchoolofArtandwillnowbeputintopracticebyAlzheimer'sScotlandandDogsfortheDisabled.ThefirstdogswillbedistributedtofourScottishcouples,whereoneofthepartnersisintheearlystagesofdementia.Some670,000peopleinBritainhavedementiaandoneinthreeover65swilldevelopthecondition.By2021thisisexpectedtorisetoonemillion.JoyceGrayofAlzheimer'sScotlandsaid，“Peopleintheearlystagesofdementiaarestillabletolivearelativelynormallife,anddogshelptomaintainroutine.”Anotheradvantageofusingthepetsascompanionsisthatdogscangivethemasenseofsilentsupportandcompanionship....