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

1、Reading and Thinking新人教版选修二 Unit 1Understand the questioning mind1. To know about John Snow and cholera. 2. To summarize the main idea and retell the stages for John Snows research.3. To master some language points.Teaching objectives：Are you familiar with these situations ?Are you familiar with the

2、se situations ?run nucleic acid tests get vaccinatedWe are taking measures to fight against coronavirus!Besides coronavirus, what other kinds of epidemics（流行病） have you heard of?bird-flu（禽流感）malaria（疟疾）plague（鼠疫）Ebola(埃博拉)Video Time: How much do you know about cholera?Many years ago, a terrible dise

3、ase named cholera in the world killed millions of people. 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 What will be talked about from the title ?John Sno

4、w Defeats “King Cholera”Who ?How ?What ?Skimming: main idea of each paragraphPara1 Para 2 Para 4Para 5 John Snow want to use his knowledge to solve colera.He got interested in two theories explaining how colera killed people.He needed to prove the second theory was correct.He finally found out that

5、dirty water was the cause of cholera.Finally “king Cholera” was defeated.Para 3 Task1. Read the passage quickly and get the main idea of each paragraph.Read the passage again and discuss the following stages of scientific research in groups. What order would you put them in? collect datathink of a m

6、ethodanalyse the resultsask a questiondraw a conclusionfind a problemfind supporting evidence 1 4 2 6 7 3 5Careful reading: 1. Read Para.1 carefully and fill in the mind map.Its one of _ in the world, because it causes _._(when), an outbreak of cholera hit _ milions of people _.He rose to become _ ,

7、 and even _ Queen Victoria when she gave birth. Snow became _ because no one knew _.However, he had a desire to _ once and for all. the most feared diseasessevere diarrhoea and dehydrationIn the early 19th centuryEuropedied from the disease“King Cholera”frustratedhow to prevent or treat choleraa fam

8、ous doctorattended to destroy cholera John Snow decided to destroy “King Cholera” CholeraSnow2. Read Para.2 and 3 carefully and activity 3 and 4 on P3.A. It was believed that cholera was caused by _ or germs in _.D. The pump water carried _.C. Many deaths occurred near the _ in Broad Street.Some peo

9、ple _ drunk the water from the pump, and lived.A woman and her daughter died in another part of London after_.B. Snow began by _ the places where people _.E. The _ of the pump was removed.bad airfood or watermarking on the mapdied had livedwater pumphad notdrinking water from the pumpcholera germs1.

10、 conclusion_2.evidence_3.process_ 4.solution_5.theories_DCBEAhandle1. 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

11、know how to prevent cholera . 2. He transformed the way scientists study diseases in use of map and statistics.Task 3 Read Para.4 and Para.5 carefully to answer the two questions.Evaluation of John SnowAs a scientist, he found out what caused cholera.As a doctor, he helped us to prevent cholera.4. R

12、etell the story In the early 19th century 1._ an outbreak of cholera hit Europe, million of people died from the disease. John Snow ,who subscribed 2._ the theory that cholera 3._ (cause) by an infection from germs in food or water , 4._(desire) to destroy cholera. 5._(use) maps and statistics, John

13、 Snow was able to announce that the pump water 6._(carry) cholera germs. Through Snows tireless 7._ (effort), the disease was stopped in its tracks. Now we have known how 8._(prevent) cholera. Transforming 9._ way scientists study diseases, John Snow 10._(consider) the father of modern epidemiology .whentowas causeddesiredUsingcarriedeffortsto preventtheis considered