[originaltext]　　(1)Bushfires in southeastern Australia have killed 108 people a

　　(1)Bushfires in southeastern Australia have killed 108 people and the authorities are warning that the number of victims could increase as outbreaks continue to burn out of control. Giant walls of flame have destroyed hundreds of homes, forests and farmland in the country’s worst ever wildfire disaster.
　　Witnesses recount seeing trees explode and the sky raining ash as temperatures reach 47 degrees Celsius. (2) Up to 400 fires raged around the southern city of Melbourne, where embers rode on furnace-like winds pushing the front forward, devouring hundreds of homes and vast areas of forest and farmland. There are concerns that entire towns may have been lost.
　　Charred bodies have been found in cars. It is thought many of the victims had tried to escape the onslaught only to be overcome by its sheer speed and ferocity.
　　1.  What do we know about the bushfires?
　　2.  How many fires are there around Melbourne?