Unit 1 Reading and Thinking （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、Welcome to my class!1)To learn about John Snows research process.2)To develop the reading abilities by skimming and scanning.3)To learn from the great scientists and develop the noble spirits.Tu YouyouShe was awarded the Nobel Prize because she discovered the _ to cure _.Yuan LongpingHe was called _

2、.“the father of hybrid rice”artemisininmalariaWho?How?What?Para1 Para 2 Para 4Para 5 D.John Snow desired to destroy cholera.B.John Snow decided to prove the second theory.A.John Snow conducted research to stop the disease.E.John found the truth about cholera.C.John Snows contribution to prevent chol

3、era.Para 3 Fast reading Read passage quickly and match the main ideas.Its one of _ in the world,because it causes _._(when),an outbreak of cholera hit _,millions of people _.He rose to become _,and even _ Queen Victoria when she gave birth.John Snow became _ because no one knew _.However,he had a de

4、sire to _ once and for all.the most feared diseasessevere diarrhoea and dehydration and even death.In the early 19th centuryEuropedied from the diseasefrustratedhow to prevent or treat choleraa famous doctorattended to destroy cholera Detailed reading Read the 1st paragraph quickly and fill in the m

5、ind map.Research background Two theoriesThe second theory The first theory Read the 2nd paragraph and find out the two theories.bad air caused the diseaseFind a problemCholera was caused by an infection from germs in food or water.Ask a questionWhat did John Snow investigate when another outbreak hi

6、t London in 1854?He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days.He was determined to find out why.The pump water carried _.Many deaths occurred near the _ in Broad Street.Some households had no deaths.they worked in and had

7、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 died had livedmoving away from Broad Streetdelivered to her housecholera germsremovedThink of a m

8、ethodCollect data and analyse the resultsDraw a ConclusionSolution Read the 3rd paragraph,then finish the process.water pumppubwater from the pumpfree beerFind supporting evidence1.What caused the outbreak of cholera in London?A.Bad air B.Water infected by raw waste C.Polluted air D.Water polluted b

9、y 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 scientists study diseases in use of map and statistics.Read Para.4 and Para.5 to answer the two questions.u As a doctor,he helped us to _.u As

10、a scientist,he found out _Evaluation of John Snowwhat caused choleraprevent cholerahard workdevotiondeterminationpassioncreativityselflessnessstrict attitudeHomework:1.Read the passage and review the words and expressions in it.2.Retell how John Snow defeated cholera and complete exercises on page 3.