问题详情

More people die of tuberculosis(结核病)than of any other disease caused by a single agent. This has probably been the case in quite a while. During the early stages of the【M1】______ industrial revolution, perhaps one in every seventh deaths in【M2】______ Europes crowded cities were caused by the disease. From【M3】______ now on, though, western eyes, missing the global picture, saw the【M4】______ trouble going into decline. With occasional breaks for war, the rates of death and infection in the Europe and America dropped steadily【M5】______ through the 19th and 20th Centuries. In the 1950s,the introduction of antibiotics strengthened the trend in rich countries, and the antibiotics were allowed to be imported to poor countries. Medical researchers【M6】______ declared victory and withdrew. They are wrong. In the mid-1980s the frequency of infections【M7】______ and deaths started to pick up again around the world. Where tuberculosis vanished, it came back; in many places where it had【M8】______ never been away, it grew better. The World Heath Organization【M9】______ estimates that 1.7 billion people(a third of the earths population) suffer from tuberculosis. Even when the infection rate was falling, population growth kept the number of clinical cases more or less constantly at 8 million a year. Around 3 million of those people【M10】______ died, nearly all of them in poor countries.

【M1】

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