1、12To obtain and know John Snow and cholera.To get to know some reading strategies.To summarize the main idea and retell the stages for John Snows research.To talk about science and scientists.3Talk about some scientific achievements you know.4Chinas Mars probe(探探测测器器)Tianwen-1 successfully carried o
2、ut its first orbital(轨轨道道的的)correction Sunday morning.The probe continued to head for Mars.All the systems of the probe were in good condition.China launched its first Mars mission Tianwen-1,which means“Questions to Heaven,”on July 23,marking the countrys first step in planetary exploration of the s
3、olar system.5There are some great scientific achievements that have changed the world.Can you name some of them?What do you know about great scientists?6Who discovered that objects in water are lifted up by a force that helps them float?Archimedes(287-212 BCE)an ancient Greek mathematician&physicist
4、7Archimedes principle阿基米德定律阿基米德定律(浮力浮力)Give me a place to stand,and I shall move the world.If you put an object into water,the water pushes the object up.It rises and partly floats.The force of the water pushing it up is the same as the weight of the object.8Who wrote a book explaining how animals a
5、nd plants developed as the environment changed?The Origin of SpeciesCharles Darwin(1808-1882)British author It explains how plants and animals changed over time to fit in with a changing environment.9Who discovered radium?She was the first woman to win the Nobel Prize,the first person and only woman
6、 to win twice.Marie Curie(1867-1934)Polish and French10Who was the painter that studied dead bodies to improve his painting of people?Leonardo da Vinci(1452-1519),Italian artistmasterpieces 11Who invented the earliest instrument to tell people where earthquakes happened?invented the first seismograp
7、h(地动仪地动仪)Zhang Heng(78-139),Chinese12Who put forward a theory about black holes?worked on astronomy and studied black holes in spaceStephen Hawking(1942-2018)British scientistHe has shown that black holes do not only absorb everything around them but,from time to time,throw out matter as well.13Who
8、discovered artemisinin(青蒿素青蒿素)?Tu Youyou She is the first Chinese Nobel laureate in physiology or medicine and the first female citizen of China to receive a Nobel Prize in any category,as well as the first Chinese person to receive the Lasker Award.(拉斯克医学奖拉斯克医学奖极具极具声声望的生物医学奖项望的生物医学奖项)14_ analyze th
9、e results _ ask a question_ draw a conclusion _ collect data _ find a problem _ find supporting evidence_ think of a methodDiscuss the following stages of scientific research in groups.What order would you put them in?527416315n.腹泻腹泻What do you know about infectious diseases?What do you know about c
10、holera?Cholera is the illness caused by a bacterium(细菌细菌)called Vibrio cholerae.It infects peoples intestines(肠肠),causing diarrhea,vomiting(呕吐呕吐)and leg cramps(腿抽筋腿抽筋).People even die quickly from a loss of liquid.n.霍乱霍乱vt.使感染使感染;传染传染16Seven cholera pandemics(霍乱大流行霍乱大流行)have occurred in the past 200
11、 years.Lets take the third cholera pandemic(18521860)as an example to see its“power”.Place Deaths Russiaone million1858-1860Tokyo,Japan100,000 200,0001854Chicago3,50018531854London10,73918541855Spainover 236,000Mexico200,000Because of some scientists great efforts,now the cholera is not as serious a
12、s that time.17Read the passage quickly and choose the main idea.A.John Snow was a well-known doctor in London.B.The cause of Cholera was polluted water.C.The source of all drinking water should be examined.D.How John Snow collected,analyzed data and found the cause of the disease and solved it.18Use
13、 the stages in examining a new scientific idea to describe each paragraph.draw a conclusionfind a problemask a questioncollect datafind supporting evidenceWhat causes cholera?Which theory is correct?Mark information on a map to find out where people died or did not die.Find other evidence to confirm
14、 the conclusion.The water is to blame.The source of all drinking water should be examined so that it is safe.v.指责指责19Read the passage again and complete the chart below.It was believed that cholera was caused by bad _ or germs in _.Snow _ the places where the people who _ had lived.Many deaths occur
15、red 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.airfood or watermarkeddiedwater pumphadntmovingcholera germshandleA.C.B.D.E.away from Broad Stre
16、etn.细菌细菌n.把手把手泵泵20multiple deaths happened here.No death happened here.The water from the pump was to blame.Public houseClue:free beer from public houseResult:The water came from the river which had been polluted by the dirty water from London.adj.数数量多的量多的21Match the following headers with the lette
17、rs from the chart above.Write A-E in the blanks.1.conclusion _ 2.evidence _ 3.process _ 4.solution _ 5.theories _DCBEA22What questions would you ask to get the following answers?1.Q:What _?A:Snow thought that cholera was caused by germs in food or water.2.Q:Why _ _?A:Snow had the handle from the pum
18、p removed so that it could not be used.3.Q:How _?A:The cholera threat was defeated thanks to the work of John Snow.did Snow think was the cause of cholera did Snow have the handle of the pump removedDid people defeat the cholera threat幸幸亏亏;由于由于23One way to approach a reading passage is to ask questi
19、ons about it.Asking questions can help you understand the content.It can also help you think more deeply about the topic.Ask questions24Discuss the following questions.1.What was the most important tool Snow used to defeat cholera?What common medical tools,e.g.a microscope,didnt he use?Why?n.显微镜显微镜S
20、now used a map to mark out the exact places of the deaths.It is easier to use maps to find where outbreaks are concentrated and then to find the cause of death.If he used a microscope,there were so many kinds of foods and water waiting for him to investigate,which would cost too much time.252.How ha
21、s John Snows work affected our daily lives?Thanks to the work of John Snow,we now know how to prevent cholera.Moreover,in his use of maps and statistics,Snow transformed the way scientists study diseases.n.统计统计数字数字v.使改观使改观;转变转变26Wear a mask when going out.Only eat food thats been thoroughly cooked.H
22、ow to protect yourself from infectious diseases?Drink boiled water.Wash hands frequently.Keep away from the crowds.Choose fresh food.Dispose rubbish properly.adj.传染性的传染性的27Do you know these words and expressions?severe,frustrated,once and for all,proof,be contradictory to,be infected with,multiple,h
23、ousehold,suspectof,handle,pure,statistic,blame sb.for(doing)sth.,linkto/with,substantial,decrease by,thanks to,transform(from)into28Zhong Nanshan(1936.10)著名呼吸病学专著名呼吸病学专家，家，中国抗击非典型肺炎中国抗击非典型肺炎和新型冠状病毒和新型冠状病毒的领军人物的领军人物。29Florence Nightingale(1820.5.12-1910.8.13)护理事业的创始人和现代护理教育的奠基人。护理事业的创始人和现代护理教育的奠基人。对护
24、理学做出战略性变革，她采取的循证护理、对护理学做出战略性变革，她采取的循证护理、分析数据、保证卫生三线并行的模式，对如今分析数据、保证卫生三线并行的模式，对如今世界抗击疫情仍有启发。世界抗击疫情仍有启发。30Alexander Fleming(1881.8.6-1955.3.11)英国细菌学家、生物化学家、微生物学家。英国细菌学家、生物化学家、微生物学家。于于1928年首先发现青霉素。后与病理学家弗年首先发现青霉素。后与病理学家弗劳雷、生物化学家钱恩成功用于医治人类疾劳雷、生物化学家钱恩成功用于医治人类疾病，共获诺贝尔生理或医学奖。病，共获诺贝尔生理或医学奖。31A.founder of mo
25、dern nursingB.discovered penicillinC.managed the SARS and COVID-19 outbreakZhong NanshanAlexanderFlemingFlorence NightingaleMatch the people with their achievements.32Who is the man in the photo?What do you know about him?Yuan Longpingfather of hybrid ricen.杂交植杂交植(动动)物物;合成物合成物;混合动力车混合动力车33He is fath
26、er of hybrid rice,who received the honor for his great contributions to hybrid rice research and the work he did to improve rice production in developing countries.He is called a pioneer for all people.34“Knowledge,practice,inspiration and opportunity”are the four elements behind his past accomplishments.袁隆平的八袁隆平的八字方针：知识、汗水、灵感、字方针：知识、汗水、灵感、机遇机遇。35Which scientists do you admire?Write a short passage in 80 words to introduce him/her and the reason why you admire him/her.3637
