Goodmorning,dearteachersandschoolmates.I’m...andhe(she)is...Wearefromclass1507.TodayourtopicisThePreventionofEpidemicDiseasesinAutumnAndWinter.Astheendofyearapproaches,it’sgettingcolderandcolder.Withthedecreaseoftemperature,it’seasierforthepathogensofrespiratorydiseasetosurvive.Stimulatedbycoldair,therespiratorymucosa’sabilitytodefenseagainstpathogensgoesdown.Thesetwoaspectsmakerespiratorydiseasesverycommoninautumnandwinter.Commonrespiratorydiseasesincludeflu,measles,chickenpoxandevenSARSandbirdflu,whichspreadmainlythroughdroplets.Topreventrespiratorydiseases,weshouldpayattentiontothefollowingthings:First,avoidgettingacold.Peoplearemorelikelytogetsickwhentheycatchacoldbecauselessbloodcirculationmakelocalresistancedecrease.Andduetothelargetemperaturedifferencebetweendayandnightinautumnandwinter,weshouldbesuretokeepwarm.Second,keeptheindoorairfresh.Weshouldopenthedoorsandwindowsandventilatetheclassroomsduringbreaktimesandatlunchthoughit’scoldoutside.Third,supplementthenutritionandincreasetheintakeofwaterandvitaminsproperly.Fourth,livearegularlifeandhaveagoodresttokeephealthy.Fifth,domoreexercise,increasebloodcirculationandimproveimmunity.Sixth,enhancepersonalhygiene.Weshouldwashourhandfrequentlyandpayattentiontoventilation.Coverournoseandmouthwithatissuewhensneezingorcoughing.Seventh,wecangotheCentersforDiseaseControlandPreventionortheregularhospitalstogetvaccinatedinepidemicseason,forexample,totakeavaccineagainstflu.Atlast,earlydiscovery,earlytreatment.Whenwefindrespiratorysymptomssuchasfever,coughanddyspnea,weshouldgotohospitalandgettimelytreatment.Weallknowthatahealthybodyisveryimportanttoourstudyandlife.SohereI’mcallingoneveryonetoplayapartinthepreventionofepidemicdiseases.Finally,Iwishyouallgoodhealthandahappylife!That’sall.Thankyou.