Unit1 Science and Scientists Reading and Thinking 课件-2024-2025学年高中英语人教版（2019）选择性必修第二册

Science and Scientists Reading and Thinking Learning Objectives Find out the stages of scientific research in this passage. Learn about John Snow’s research process Express your idea on the given topic through creative thinking 2 Great secientists we have learnt To Youyou Yuan Longping Einstein Lead in   Was you familiar with these situations ever? Mask up Get vaccinated Nucleic acid tests Positive measures are taken to fight against Covid-19. Besides coronavirus, what other kinds of epidemics(流行病） have you heard of?. Lead in 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 disease. Finally, the doctor won the battle. John Snow 6 Cholera loss of liquid (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. Symptoms:  Look at the picture, the title and the map, guess what the content of the text is. Then skim it quickly to see if you are right. Pre-reading The text is mainly about ____________ and how_______ he defeated king cholera. John Snow John Snow Defeats “King Cholera” 9 板书 Q1:Where can you find the passage? A a science book B novel C a travel guide D newspaper Q2:How does the author develop the text? A.By following the time order. B.By showing the great achivements C.By providing some similar examples D. By explaining the process of research. Q2: What's the writer's purpose in writing the passage? Q3:To whom does the author write this passage? To tell readers how John Snow defeated cholera and his influence on scientific research. To those who are interested in science and scientists. Skimming: main idea of each paragraph Para1 Para 2 Para 4 Para 5 John Snow want to use his knowledge to solve colera. He got interested in two theories explaining how cholera killed people. He used the map to prove the second theory was correct. He finally found out that dirty water was the cause of cholera. Finally “king Cholera” was defeated. Para 3 Read the passage quickly and get the main idea of each paragraph. What? It's one of __________________________ in the world, because it causes __________________________________________. When? ___________________________ Where? __________ What results? _________________________________________ the most feared diseases severe diarrhoea, dehydration and even death In the early 19th century Europe Millions of people died from the disease Cholera Task1. Read the 1st paragraph quickly and fill in the mind map. Task 1: Find the problem Two theories The first theory bad air caused the disease Cholera was caused by an infection from the germs in food or water. Proof was need. The second theory Read the 2nd paragraph carefully and find out the two theories. Task 2: Ask a question Activity4: Choose the best answer. 1. Why did Snow suspect the water pump was to blame?A. Broad Street witnessed a lot of deaths.B. It was clear that the water in the pump was polluted.C. A woman and her daughter moved away.D. Those people working in the pub survived.2. Which of the following theories did John Snow believe?A. A cloud of dangerous gas would float around until it found its victims.B. People absorbed cholera into their bodies with their meals.C. People got infected with cholera because of polluted air.D. People suffered from cholera because they were not clean.3. How did John Snow find out the cause of the disease?A. By living in the area where cholera broke out.B. By marking a map where all the dead people had lived.C. By telling the terrified people how to prevent it.D. By saving the dying people suffering from cholera. 4.Put the following sentences in right order. a. As a result of this evidence, John Snow was able to announce that the pump water carried cholera germs. b. in two particular streets the cholera outbreak was so severe... find out why c. house numbers 16, 37, 38 and 40; 20 and 21 Broad Street; 8 and 9 Cambridge Street d. two contradictory theories to explain how cholera spread e. multiple deaths near the water pump; some households had had no deaths f. a woman liked the water...she had it delivered to her house g. marking on a map A. dbgcefa B. bdgcfea C. dbcgdea D. bdgcaef 5.What kind of person is John Snow? A.selfish and creative B. expert and curious C.careless and knowledgeable D. determined and casual 4.Put the following sentences in right order. 6.The best way to defeat a disease, JohnSnow thought, was to find_______ A. its cause B. its cure C. its result D. its harm 7. Where were there the most deaths from cholera? A. No.9, Cambridge Steet. B. No.8, Cambridge Street. C. No.40, Broad Street. D. No.21, Broad Street. 8. Why were there no death at No.9, Cambridge Street? A. They worked in the pub at 7 Cambridge Streetwhich had cleaned conditions. B. They had drunk free beer instead of water from the Broad Street pump C. The beer they had drunk could prevent against cholera. D. They had known the water from the Broad Street pump was dangerous to drink 9. lt seemed that_____________ A. polluted water played a key role in spreading cholera B. Broad Street and Cambridge Street had theirown water pumps C. cholera spread through air D. John Snow found the cause of cholera by accident Read 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 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. air food or water marked on a map died water pump hadn’t drinking cholera germs handle A. C. B. D. E. water from the pump Match the following headers with the letters from the chart above. Write A-E in the blanks. 1. conclusion ______ 2. evidence ______ 3. process ______ 4. solution ______ 5. theories ______ D C B E A 　　In the early 19th century,1. a severe cholera hit Europe，John Snow became 2. _ (frustrate) because no one knew how to prevent or treat cholera.3. he never lost his desire to destroy cholera once and for all.Snow subscribed to the theory that cholera 4. _________ (cause) by an 5.________(infect) from germs in food or water.Snow began by 6._________ (mark) on a map the exact places where all those who died had lived.As 7.___ result，John Snow was able to announce that the pump water 8. (carry) cholera germs. 9. (according)，he had the handle of the pump 10.___________ (remove) so that it could not be used.Through this intervention，the disease was stopped in its tracks. when frustrated But was caused infection marking a carried Accordingly removed 当堂检测(12') 1. used to do/be 2. an outbreak of... 3. die from ... 4. attend to 5. give birth（to) 6. lose desire to 7. once and for all 过去常常做/是 ...的爆发 死于 照顾，护理 生孩子 失去做某事的欲望 最终地，彻底地 Para 1 1. In general 2. subscribe to 3. be determined to do 4. need proof 5. find out why 总的来说，大体上 同意 决定做某事 需要证据 查明原因 Para 2 在地图上标出特定的位置 多例死亡 应受责备 由于 从..离开、搬离 似乎...看起来... 1. mark on a map the exact place 2. multiple deaths 3. be to blame 4. as a result of 5. move away from 6. it seemed that Para 3 1. be infected by waste 2. a link between … and 3. be polluted by raw waste 4. be likely to do 被废弃物感染 …和…之间的联系 被未经处理的废物污染 可能做某事 Para 4 1. through tireless efforts 2. the threat of ... 3. a substantial decrease 4. thanks to 5. be considered (as/to be) 通过不懈的努力 ...的威胁 大幅度下降 幸亏，由于 被认为是 Para 5 Lavf58.20.100 Bilibili VXCode Swarm Transcoder r0.2.61(gap_fixed:False) $$