According to the Emergency Plan for Heavy Air Pollution in Beijing, if it is predicted that heavy pollution or serious pollution will occur alternately in the next three days, which of the following level of early warning should be issued?
AOrange alert[|]Blue alert[|]Yellow alert[|]Red alert
Environmental Pollution Events and Emergency Response
章节列表
Chapter One Introduction of Environmental Emergency Management (part 1)2Chapter One Introduction of Environmental Emergency Management (part 2)5Chapter Two Water environmental pollution incident in the Rhine5Chapter Three Songhua River Pollution Incident (part 1)2Chapter Three Songhua River Pollution Incident (part 2)5Chapter Four Environmental Emergency Management System1Chapter Five Prevention, Early Warning and Preparation for Environmental Emergencies5Chapter Six Environmental Emergency Response5Chapter Seven London Smog Episode ( part one)5Chapter Eight Atmospheric Pollution Event in Beijing (part two)5Chapter Nine Assessment and Reconstruction After Emergent Environmental Events5Chapter Ten Tianjin Explosion Accident (part one)5Chapter Ten Tianjin Explosion Accident (part two)5