whatistheauthor'spurposeofwritingthisarticle?
举一反三
- Thatmeansremainingmindfulofthecontributionsthatolderpeoplemaketoothers—andmakingthosecontributionsyourself.There’snoreasontoacceptthatseniorsarealladdledandfrailjustbecausesomanyTVshowsdepictthemthatway.(Para.12)Whatistheauthor’sopiniononolderpeople?</p></p>
- Whatistheauthor’sfather—thedoctor’sattitudetoPiquette? A: sympathetic B: indifferent C: incurious D: scornful
- Youmayknowthefeeling.It’sthelateafternoon,andyoustillhaven’tleftthehouse.You’vespentseveralhoursonyourphone,scrollingthroughyourFacebooknewsfeed,refreshingTwitterandwatchingYoutubevideos.Asmartphonemightfeellikeit’skeepingyouconnectedbutitcanalsobeawayofsecludingyourself. DatafromarecentstudyconductedbyresearchersatNorthwesternUniversity’sFeinbergSchoolofMedicinefoundthatthescenariodescribedabove—highvolumeofphoneuseandastaticgeographiclocation—couldbelinkedtodepression.ThestudypublishedinTheJournalofMedicalInternetResearch,alsofoundthatdepressedpeople,onaverage,spendmoretimeonthephonethannon-depressedpeople. “Peoplearelikely,whenontheirphones,toavoidthinkingaboutthingsthataretroublingpainfulfeelingsordifficultrelationships,”saidDavidMohr,oneofthestudy’sseniorauthorsandaprofessorofbehavioralpsychologyatNorthwestern,inastatement.“It’sanavoidancebehaviorweseeindepression.”Mohralsopointedoutthatdepressedpeopletendtowithdrawemotionallyandavoidgoingout—behaviorsthatarearguablyfacilitatedbytheconstantentertainmentstreamavailableonsmartphones. Thestudy’sparticipantsconsistedofamixofpeoplewithandwithoutpriordepression.Theycompletedaquestionnairedescribingtheirsymptomsbeforeagreeingtohavetheirphoneusemonitoredfortwoweeks.UsingGPS,theresearcherstrackedtheirlocationandtheamountoftimetheyspentonthephone.Theywerethenabletoidentifywhichparticipantsweredepressedusingtheaggregatedphonedata,with87percentaccuracy. SohrobSaeb,aresearchfellowatNorthwestern,saidinthereleasethatphonescouldbemorereliablefordiagnosingdepressionthantraditionalmethods.Instandardindustrypractice,patientsareoftenaskedtodescribetheirsymptomsbyindicatinghowsadtheyareonascaleof1to10.AccordingtoSaeb,thereleasereported,theseresponsescanberoteandunreliable.Incontrast,thestudyfound,asmartphonecanunobtrusively(不引人注目地)andaccuratelymeasureapatient’sdailyactivity,providingdatathatcouldtriggerahealthcareprovidertorecognizetheneedforanintervention. Whatistheauthor’sopinionaboutusingasmartphone?