【正文】
Africa, the Middle East 1997—Bird Flu –more than 100 lives, Asia, America– future ? a) plete b) data c) delay d) habit e) media f) pill g) prevent h) severe i) test k) trend How do you understand the sentences? Up to one half of the population was lost to the Black Death. up to : as much as lose sth to sth/sb: be defeated The Black Death killed/wiped out one half of the population The Black Death took/claimed the lives of 50% of the population. What ____ the population of this urban area? 100,000 ? populated adj. ? In one city in Russia, which used to be highly __________ , all but five ___________ to the Black Death. was/is populated were lost be lost to, population Meanwhile,