unit1reading.ppt

1、John Snow Defeats “King Cholera”,What do you know about infectious disease?,Pre-reading,Pre-reading,What do you know about cholera?,Cholera is the illness caused by a bacterium called Varian cholera.霍乱弧菌 It infects peoples intestines(肠胃), causing diarrhea(腹泻), vomiting(呕吐) and leg cramps (小腿抽筋).,. W

2、hat do you know about cholera?,The most common cause of cholera is by someone eating food or drinking water that has been contaminated(污染) with the bacteria.,Cholera can be mild(不严重的) or even without symptoms(症状), but a severe case can lead to death without immediately treatment.,Do you know how to

3、prove a new idea in scientific research? What order would you put the 7 in? just guess.,John Snow Defeats “King Cholera”,John snow,cholera,John Snow,(1813-1858),John Snow was born in York on March 15th, 1813, the oldest of nine children.,York,London,His father worked as a laborer. While poor, his pa

4、rents were determined to give their children whatever educational opportunities they could afford. He was educated at a private school in his native city until the age of fourteen, when he was apprenticed(当学徒) to William Hardcastle, a surgeon(外科医生) living at Newcastle-on-Tyne.,After serving for a sh

5、ort time as a surgeon and unqualified assistant during the cholera epidemic of 1831-1982, he became in October 1836 a student at the Hunterian School of medicine in Great Windmill Street, London. He began to attend the medical practice at the Westminster Hospital in the following October.,He graduat

6、ed M.D. of the University of London on 20 Dec. 1844, and in 1850 he was admitted a licentiate of the Royal College of Physicians.,scanning,Broad Street,Many deaths happened here.,No death happened here.,The water from the pump was to blame.,Public house,Mind Map of the text,John Snow Defeats “King C

7、holera”,Post-reading,Read the passage again and fill in the blanks: 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. 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