简答题SARS event refers to the Severe Acute Respiratory Syndrome. SARS began in Shunde, Guangdong Province, China in 2002, and spread to Southeast Asia and even the world. It was not until the middle of 2003 that the epidemic was gradually eliminated. SARS is ( ) A、Natural disaster B、Accident calamity C、Public health D、Social security简答题Which of the following is not the main content of environmental emergency management？ A、Prevention in advance B、Emergency preparedness C、public participation D、Afterwards management