Nobodycandenythefactthateveryoneneedssafeenvironmenttolearnandlive.Butthereisstillsomesituationsthatnoonecanpredict.Sothequestionishowtoensureoursecutityindailylife.

　　firstofall,keepcoolwhenyoucomeacrossemergency.itistruethatonlyintheconditionofkeepingcoolcanyoucomeupwithexactsolution.

　　secondly,keephealthy.Bodyisourcapital.Onlywithhealthyandstrongbodycanyougetridofbadsituation.Itcan'tbeimaginedwhenyouaresick,howcanyoudealwithemergencyandensureyoursecurity.

　　lastly,thereisaeffectiveway.Youshouldtakeacellphonewithyouandensurethere'ssignal.

　　Althoughthere'sothermeanstoensureyousafety,theaboveijusttalkingaboutareextremelybasic.