（2019版）新人教版选择性必修第二册Unit 1Reading and Thinking ppt课件.pptx

1、Unit 1 Science and Scientists Reading and Thinking John Snow Defeats “King Cholera”Who is he?He played an important role in fighting against Covid-19 and won the Medal of Republic(共和国勋章）共和国勋章）in 2020 .Zhong NanshanMany years ago, a terrible disease named cholera in the world killed millions of peopl

2、e. People were very afraid of it, but they didn t know what to do. Luckily, a young doctor decided to find out how to prevent and treat the disease. Finally, the doctor won the battle. John Snow John Snow Defeats “King Cholera”John Snow Defeats “King Cholera”Who ?How ?What ?While reading Para1 Para

3、2 Para 4Para 5 John Snow desired to destroy cholera.John Snow decided to prove the second theory.Snow began his study by marking on the mapand the process.Truth of the infection of choleraSnows contributionsPara 3 Task1. Read the passage quickly and get the main idea of each paragraph.While reading

4、Task2. Read the 1st paragraph quickly and fill in the mind map.CholeraWhat? Its one of _ in the world, because it causes _.When? _Where? _What results? _the most feared diseasessevere diarrhoea, dehydration and even death .In the early 19th centuryEuropeMillions of people died from the disease Find

5、the problem Two theoriesThe second theory The first theory While reading Task3. Read the 2nd paragraph carefully and find out the two theories.bad air caused the disease Cholera was caused byan infection from the germs in food or water.Ask a questionProof was need.The pump water carried _.Many death

6、s occurred near the _ in Broad Street.Some households had no deaths. they worked in and had been given , so had not drunk . A woman and her daughter had died after _, because she had the water_ every day.Snow began by _ the places where people _.Snow had the handle of the pump _.marking on a map die

7、d had livedmoving away from Broad Streetdelivered to her housecholera germsremovedThink of a methodCollect data and analyse the resultsConclusionSolutionTask3. Read the 3rd paragraph carefully, then discuss in groups to finish the process.water pumppubwater from the pumpfree beerFind supporting evid

8、ence1. What caused the outbreak of cholera in London? A. Bad air B. Water infected by raw waste C. Polluted air D. Water polluted by the air 2.Why was John Snow considered the father of modern epidemiology? epdimildi 1. He helped people know how to prevent cholera . 2. He transformed the way scienti

9、sts study diseases in use of map and statistics.While reading Task 4 Read Para.4 and Para.5 carefully to answer the two questions.As a scientist, he found out what caused cholera.As a doctor, he helped us to prevent cholera.hard workdevotiondeterminationpassioncreativityselflessnessstrict attitudeCommon characteristicsHomework:1.Read the passage and review the words and expressions in it.2.Retell how John Snow defeated cholera. . Thanks