1、Unit1 Science and ScientistsReading and ThinkingLearning GoalsGet to know some knowledge about Cholera. Understand the passage well.To learn some reading skills by scanning and skimming. To learn from the great scientists and develop the noble spirits. Guessing game: The secientists that we know!1.
2、Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin (1808-1882) British author of The Origin of Species Marie CurieNothing in life is to be feared. It is only to beunderstood.生活中没有什么可怕的东西生活中没有什么可怕的东西, ,只有需要理解的东西。只有需要理解的东西。2. Who discovered radium?Th
3、omas EdisonGenius is one percent inspiration and ninety-nine percent perspiration.天才就是百分之九十九的汗水加上天才就是百分之九十九的汗水加上百分之一的灵感。百分之一的灵感。3. Who invented the way of giving electricity to everybody in large cities?The Inventions of Thomas Edison Phonograph /fnrf/(留声机)Light bulb ( (电灯泡电灯泡) )Motion Pictures ( (电
4、影电影) )4. Who invented the earliest instrument to tell people where earthquakes happened?Zhang Hengseismograph /sazmrf/ 5. Who put forward a theory about black hole?Stephen Hawking(1942-)BritishA Brief History of Time6. Who is the first Chinese Nobel winner in physiology or medicine and the first fem
5、ale citizen of China to receive a Nobel Prize?Tu YouyouShe was awarded the Nobel Prize because she discovered the _ to cure _.artemisininmalaria7. Who invented the hybrid rice? Yuan LongpingHe was called _.“the father of hybrid rice”8. Who made great contributions to the fight against the novel coro
6、navirus?Zhong NanshanHe has been committed to the study, prevention and treatment of major respiratory /rsprtr/（呼吸道的）（呼吸道的） diseases and significantly contributed to the COVID-19 fight, and won the Medal of the Republic.01020304SARSAIDS05Bird FluCOVID-19Ebolainfectious diseasesCholera06NoImageNoImag
7、eThey can be spread to other people. They have an unknown cause. They are difficult to cure. Characteristics of infectious diseases1. What are the symptoms of Cholera？2. What was the ancient peoples reaction to Cholera?3. What is the result of Cholera?4. Did they have a cure for Cholera?Watch the sh
8、ort video and find out the answers of these questions.n. 症状症状n. 治愈治愈What is cholera?1. What are the symptoms of Cholera？dehydration (缺水)severe vomiting(呕吐)diarrhea(腹泻)It begins in the stomach and a severe case can lead to death without immediate treatment. What is cholera?Cholera is an infectious di
9、sease that causes severe watery diarrhea (腹泻腹泻), which can lead to dehydration (脱水脱水) and even death if untreated. It is caused by eating food or drinking water containing a bacterium called Vibrio cholerae (霍乱弧菌霍乱弧菌). The disease is most common in places with poor sanitation (卫生设施卫生设施), crowding an
10、d war. Common locations include parts of Africa, south Asia, and Latin America.n. 霍乱霍乱NoImage2. What was the ancient peoples reaction to Cholera?They felt rather frightened.3. What is the result of Cholera?Die quickly from a loss of liquid.4. Did they have a cure for Cholera?No.Many years ago, a ter
11、rible 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 disease. Finally, the doctor won the battle.John Snow What will be talked about from the title
12、?John Snow Defeats “King Cholera”Who ?How ?What ?_ analyse the 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?Listening: main idea
13、 of each paragraph.Para.1 Para. 2 Para. 4Para. 5 John Snow wanted to use his knowledge to solve cholera.He got interested in two theories explaining how cholera killed people.He needed to prove the second theory was correct.He finally found out that dirty water was the cause of cholera.Finally “King
14、 Cholera” was defeated.Para. 3 Read the passage quickly and get the main idea of each paragraph.Skimming: Structure of the passagePara1Para2Para3Para4Para5_ analyse the results _ ask a question_ draw a conclusion _ collect data _ find a problem _ find supporting evidence_ think of a methodDiscuss th
15、e following stages of scientific research in groups. What order would you put them in?5274163What? Its one of _ in the world, because it causes _.When? _Where? _What results? _the most feared diseasessevere diarrhoea, dehydration and even deathIn the early 19th centuryEuropeMillions of people died f
16、rom the diseaseCholera Read the 1st paragraph quickly and fill in the mind map.Task 1: Find the problem.NoImage 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 careful
17、ly and find out the two theories.Task 2: Ask a question.NoImageIt was believed that cholera was caused by 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 daug
18、hter died in another part of London after _.The pump water carried _.The _ of the pump was removed. airfood or watermarked on a mapdiedwater pumphadntdrinkingcholera germshandleA. para1: C. B. D. E. water from the pumpTask3. Read the 3rd paragraph carefully, and then finish the process.Collect data
19、and analyse the resultsFind supporting evidenceThink of a methodConclusionSolutionNoImagemultiple 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 wa
20、ter from London.NoImage1. 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 trans
21、formed the way scientists study diseases in use of map and statistics.Task 4: Read Para.4 & 5 carefully to answer the two questions.NoImage1.What 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
22、had the handle of the pump removed so that it could not be used.3. Q: How _? A: The cholera threat was defeated thanks to the work of John Snow.caused cholera according to Snowdid Snow have the handle of the pump removedwas the cholera threat defeatedNoImage2. What was the most important tool Snow u
23、sed to defeat cholera?He used maps and statistics to analyse where the deaths occurred. 3. How has John Snows work affected our daily lives?Snows work has provided readily available clean water to drink, as well as an emphasis(强调强调) on the need to wash hands after they become dirty. He also showed h
24、ow to prevent cholera epidemics( 流行病流行病), and transformed the way scientists study diseases.NoImageAs a doctor, he helped us to _.As a scientist, he found out _.Evaluation of John Snow what caused cholera.prevent cholerahard workdevotiondeterminationpassioncreativityselflessnessstrict attitudeCommon
25、 Common characteristicscharacteristicsNo one understood 1._ and every time it came, thousands died. Queen Victorias doctor, John Snow, wanted to 2._ how it was caused. When the disease came to 3. _ again in 1854, Snow noticed that most of the 500 people who 4._ had drunk the water from a 5._ in Broa
26、d Street. He concluded that the water was to 6._ and found that the pumps water came from a dirty 7. _. After he had the 8._ of the pum removed, people gradually stopped dying. Snow suggested all 9. _ of water be checked and water companies take care not to supply people with dirty water. In this wa
27、y, cholera was 10._. cholera find out London died water pump blame river handle sources defeated In our daily life, in order not to get infected with the infectious disease, such as cholera, AIDS, SARS,COVID-19 ,what should we do？ Heat the food left overnight.Cook raw food thoroughly.Wash hands often.Keep away from flies.Choose fresh sea food.Keep the kitchen clean.Deal with rubbish properly.Drink boiled water.Critical ThinkingDont forget to wear a mask when you go out.
