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1.Measles was once a scourge of childhood,and as recently as 1980 killed more than15 million persons worldwide,most of them children under 5 years old.（The Washington Times,Feb.4,2015）翻译：麻疹一度是儿童的祸害,就在1980年麻疹还在全世界造成一千五百万人死亡,其中大部分是五岁以下的儿童。