Unit 1 Reading and Thinkingppt课件 -（2022新）人教版高中英语选择性必修第二册.pptx

1、Unit 1 Science and Scientists授课人：授课人：Lead inThere are some great scientific achievements that have changed the world.Please name these famous scientists .Who is he?He put forward a theory about black holes.Stephen HawkingWho is she?Tu Youyou She is the first Chinese Nobel laureate in physiology or m

2、edicine and the first female citizen of China to receive a Nobel Prize.laureate lrit lrit n. 获奖者，荣誉获得者获奖者，荣誉获得者Who is he?He played an important role in fighting against Covid-19 and also won the Medal of Republic(共和国共和国勋章）勋章）in 2020 .Zhong NanshanBesides the coronavirus, there are some other kinds o

3、f epidemics . .Bird-flu malaria plague Ebola cholera 禽流感疟疾疟疾 瘟疫 埃博拉霍乱Many years ago, a terrible disease 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 disea

4、se. Finally, the doctor won the battle. John Snow John Snow Defeats “King Cholera”Presentations of key words and phrasesLearning Objectives1.To get information about how John Snow defeated cholera2.To summarize stages of scientific researchLearning Important PointGet the students to grasp the key wo

5、rds and phrasesJohn Snow Defeats “King Cholera”What is cholera?Who is John Snow?How did he defeat colera?Predict the writing style of the passage.Pre-reading It begins in the stomach and a severe case can lead to death without immediate treatment. The victims(患者患者) died very quickly from a loss of l

6、iquid (缺水缺水)after severe vomiting(呕吐呕吐) and diarrhea(腹泻腹泻).CholeraPre-reading Analyse the right order of a scientific researchFind a problemAsk a questionThink of a methodCollect data Analyse the resultsFind supporting evidenceDraw a conclusion John Snow Defeats “King Cholera”ThinkingtrainingWhat? I

7、ts one of _ in the world, because it causes _.When? _Where? _What result? _the most feared diseasessevere diarrhoea, dehydration and even deathIn the early 19th centuryEuropeMillions of people died from the diseaseCholera Listen to the 1st paragraph and fill in the mind map.Task 1: Find the problem.

8、While-reading Two theories The first theory Bad air caused the diseaseCholera was caused by an infection from the germs in food or water.Proof was needed.The second theory Read the 2nd paragraph together and find out the two theories.Task 2: Ask a question.1. What kind of map is it? (Its Snows chole

9、ra map.)(Its Snows cholera map.)2. What does mean? (One death)(One death)3. What does PH mean here? (Public house)(Public house)4. What does 30, 31, . . .refer to? 5. Which house numbers had more than four deaths in Broad Street? (Numbers16, 37, 38, and 40)(Numbers16, 37, 38, and 40)6. Where is the

10、pump? (Near house number 40 in Broad (Near house number 40 in Broad Street) Street) Task3: Read the map(Numbers of houses)(Numbers of houses)Task 4: Listen to Para.4 & 5 to answer two questions.1. What caused the outbreak of cholera in London? A. Bad air B. Water infected by raw waste C. Polluted ai

11、r D. Water polluted by the air 2. Why was John Snow considered the father of modern epidemiology? (1) He helped people know how to prevent cholera . (2) He transformed the way scientists study diseases in his use of map and statistics.Task 4:nswer the two questions. Post-reading Match the two column

12、sthe second hard workdevotiondeterminationpassioncreativityselflessnessCommon characteristicsstrict attitudeA promising nation cannot live without heroes and a promisingcountry cannot live without pioneers. Complete the chart below(How did he defeat colera?).It was believed that cholera was caused b

13、y bad _ or germs in _.Snow _ the places where the people who _ had lived.Many deaths occurred near the _ in Broad Street.Some people _ drunk the water from the pump, and lived.A woman and her daughter died in another part of London after _.The pump water carried _.The _ of the pump was removed. airf

14、ood or watermarked on a mapdiedwater pumphadntdrinkingcholera germshandleA. C. B. D. E. water from the pumpHomework:1.1.Recite the last paragraph of the passage to grasp John Snows contribution.2.（梯度作业）读后续写微技能人物心理活动有能力的同学有能力的同学请找出阅读课文中含有人物心理活动的语句。For example:As a young doctor，John Snow became frustrated because no one knew how to prevent or treat cholera.