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1、John Snow defeats “King cholera” John Snow defeats “king cholera”What can you learn from the title?人 物 ：事 件 ： defeats cholera Who is John Snow?What happened to them? attended her as her personal physician Queen Victoria John Snow 約翰.斯諾(1813 1858), 英國(guó)麻醉學(xué)家、流行病專家。他首次提出了預(yù)防霍亂的措施。1854年, 倫敦霍亂流行, 斯諾通過研究霍亂病死
2、者的日常生活情況, 尋找到他們的共同行為模式,發(fā)現(xiàn)了霍亂與飲用不潔水的關(guān)系, 由于及時(shí)切斷了二者的聯(lián)系, 有效制止了霍亂的流行。 Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, “the most terrible outbreak of cholera which ever occurred in the kingdom” began. It was so violent and sudden that 127people died in the first th
3、ree days.The terrible cholera Bacteria/germs of cholera Name of illness cholera (霍亂) Symptom(癥狀) severe vomiting (嘔吐) and diarrhoea (腹瀉) Aftereffect (后果) die quickly from a loss of liquidWhat was the cause of this illness? How did John Snow find it out? Skim the text and find the main idea of the te
4、xt. The passage is mainly about:How _found the cause of The_ and defeated it. John Snow cholera Read the text quickly and quietly to match the Stages in an experiment and the Example in this investigation Read the passage quickly and find the number below and the relevant happenings in the passage.
5、Two theoriesIn 1854500 ； 10 The first suggested thatmultiplied in the air; The second suggestedabsorbed this disease into their bodies with their meals.Another outbreak hit London.More than 500 people had died in 10 days. 16, 37, 38 and 4020, 21; 8, 97 These numbers in Broad Street near the water pu
6、mp had many of the deaths20 and 21 Broad Street and 8 and 9 Cambridge Street had no deaths.They didnt drink the water from the Broad Street pump.These families worked in the pub at 7 Cambridge Street. 1. The passage mainly tells us that _.A. the cause of cholera was polluted water B. John Snow was a
7、 well-known doctor in LondonC. the source of all drinking water should be examinedD. John Snow did some research and helped to solve “King Cholera”Choose the best answer. D 2. What was the key help for John Snows discovery?A. The government. B. The woman moving away from Broad Street.C. The water co
8、mpany.D. The map made by himself.D 1. John Snow believed Idea 2 was right. How did he finally prove it?John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.Read and a
9、nswer the questions. 2. Do you think John Snow would have solved this problem without the map? Give a reason.No. The map helped John Snow organize his ideas. He was able to identify those households that had many deaths and check their water-drinking habits. He identified those houses that had no de
10、aths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause. John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. doctor19thcausedefe
11、atbroke He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.markedpumpsource examineddealing
高中英語(yǔ)《Unit 1 Great scientists》reading課件 新人教版必修5
