课文填空：
Epidemics________history_________recent press reports ________(draw) parallels between bird flu and a killer epidemic in the past, Jim smith looks through the history of epidemics for clues about what the future might hold.
______bird flu first appeared in 1997, it has______(take) more than a hundred lives. Many people fear it could be the next global epidemic, especially as scientists who studied tissue  from the bodies of the 1918 Spanish flu proved that bird flu is a modern______（adapt） of the same virus.
Bacteria and viruses have been _______since the beginning of life on earth and many of today’s diseases have existed as long as humans have. It is important to look ______the spread of diseases throughout history to discover the causes and effects of _____(epidemic), and _____(hope),  foresee and prevent them in the future.