Unit 1 课文填空 +语法点任务单-2022-2023学年高中英语人教版（2019）选择性必修第二册

JOHN SNOW DEFEATS “KING CHOLERA” 1. Cholera used to be one of the (feared) diseases in the world, until a British doctor, John Snow, (show)（引导 从句） how it could be overcome. This illness causes severe diarrhoea, dehydration, and even death. the early 19th century, when outbreak of cholera hit Europe, millions of people died the disease. As a young doctor, John Snow became (frustrate)because no one knew （引导 从句） to prevent or treat cholera. In time, he rose to become a famous doctor, and even attended to Queen Victoria she gave birth. , he never lost his desire to destroy cholera once and for all. 在英国医生约翰・斯诺向人们展示如何战胜霍乱之前，霍乱曾是世界上最令人恐惧的疾病之一。它可导致严重腹泻、脱水甚至死亡。十九世纪初，崔乱暴发，肆虐欧洲，数百万人丧命。由于当时无人知道如何预防或治疗霍乱，年轻的约翰・斯诺医生很沮丧。后来，他成了一位名医。甚至照料分娩的维多利亚女王。然而，他始终没有放弃彻底根除霍乱的愿望。 2.In general, doctors in those days (have) two contradictory theories to（作 成分）explain（引导 从句） how cholera spread. One theory was that（引导 从句） bad air caused the disease. Another was that（引导 从句） cholera (cause) by an infection from germs in food or water. Snow subscribed to the second theory. It was correct, he still needed proof. (consequent), when an outbreak of cholera hit London in 1854, Snow began to investigate. He discovered that （引导 从句） in two particular streets（作 成分）the cholera outbreak was so severe more than 500 people died in ten days. He （determine) to find out why. 关于霍乱的蔓延方式，当时医生大体上有两种截然不同的看法。一种看法是空气污染引发，另一种看法是食物或饮用水中的细菌感染导致霍乱。斯诺赞同第二种看法。这一看法是正确的，但他仍需要证据。因此，1854年伦敦暴发霍乱时，斯诺便开始调查。他发现霍乱疫情在两条街道上尤为严重，十天内就有500多人死亡。他决心查明原因。 3.Snow began by marking on a map the exact places (引导 从句) all those who （引导 从句）died had lived. There were multiple (die) near the water pump in Broad Street (especially house numbers 16, 37, 38, and 40). However, some households (such as 20 and 21 Broad Street, and 8 and 9 Cambridge Street)