Unit 1 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 Who is he? He played an important role in fighting against Covid-19 and won the Medal of Republic(共和国勋章）in 2020 . Zhong Nanshan 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 3 John Snow Defeats “King Cholera” John Snow Defeats “King Cholera” Who ? How ? What ? While reading Para1 Para 2 Para 4 Para 5 John Snow desired to destroy cholera. John Snow decided to prove the second theory. Snow began his study by marking on the map and the process. Truth of the infection of cholera Snow's contributions Para 3 Read the passage quickly and get the main idea of each paragraph. While Reading-Careful reading Cholera Jone It's one of ________________________ in the world, because it causes _______________________________. _______________________(when), an outbreak of cholera hit _______ milions of people ______________________. He rose to become _________________ , 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 diseases severe diarrhoea and dehydration Read Para 1 carefully and fill in the mind map In the early 19th century Europe died from the disease “King Cholera” frustrated how to prevent or treat cholera a famous doctor attended to destroy cholera Though being famous, he was still devoted to defeating “King Cholera” Two theories The second theory The first theory While reading Read the 2nd paragraph carefully and find out the two theories. bad air caused the disease Cholera was caused byan infection from the germs in food or water. Proof was need. Read Para 2 and 3 carefully, complete the chart It was believed that cholera was caused by _______ or germs in __________. The pump water carried ___________. Many deaths occurred near the ______________ in Broad Street. Some people who lived near the pump worked in the pub and _________ drunk the water from the pump ,and lived. A woman and her daughter had died after ________________________, because she had the water____________________ every day. Snow began by _______________ the places where people _________. Snow had the handle of the pump _________. A B C D E bad air food or water marking on the map died had lived water pump had not moving away from Broad Street delivered to her house cholera germs removed 1.conclusion 2.evidence 3.process 4.solution 5.theories solution Conclusion evidence process theories While Reading 1) Which houses had more than 4 deaths in Broad Street? 2) Which houses had no death in Broad Street? Multiple deaths happened here. No death happened here. He suspected that the water from the pump was to blame. 1. 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? [ˌepɪˌdiːmiˈɒlədʒi] 1. He helped people know how to prevent cholera . 2. He transformed the way scientists study diseases in use of map and statistics. While reading Task 4 Read Para.4 and Para.5 carefully to answer the two questions. As a scientist, he found out what _________ cholera. As a doctor, he helped us to _______ cholera. caused prevent After Reading Discover artemisnin to treat malaria, awarded the Nobel Prize Father of hybrid rice keep people away from hunger Despite the danger of infection, devote to the research of COVID-19 hard work devotion determination passion creativity selflessness critical thinking Common characteristics What qualities do you need to be a scientist?. 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？ Heal the food left overnight Cook raw food Wash hands often Keep away from flies choose fresh sea food Keep the kitchen clean deal with rubbish properly. Drink boiled water Critical Thinking Don't forget to wear a mask when you go out. Homework: Read the passage and review the words and expressions in it. Retell how John Snow defeated cholera. . Thanks The pump water carried ___________. Many deaths occurred near the ________ in Broad Street. Some households had no deaths. they worked in and had been given , so had not drunk . A woman and her daughter had died after ________________________, because she had the water_________________ every day. Snow began by _______________ the places where people _________. Snow had the handle of the pump _________. marking on a map died had lived moving away from Broad Street delivered to her house cholera germs removed Think of a method Collect data and analyse the results Conclusion Solution Task3. Read the 3rd paragraph carefully, then discuss in groups to finish the process. water pump pub water from the pump free beer Find supporting evidence The pump water carried ___________. Many deaths occurred near the ________ in Broad Street. Some households had no deaths. they worked in and had been given , so had not drunk . A woman and her daughter had died after ________________________, because she had the water_________________ every day. Snow began by _______________ the places where people _________. Snow had the handle of the pump _________. marking on a map died had lived moving away from Broad Street delivered to her house cholera germs removed Think of a method Collect data and analyse the results Conclusion Solution Task3. Read the 3rd paragraph carefully, then discuss in groups to finish the process. water pump pub water from the pump free beer Find supporting evidence While reading Task2. Read the 1st paragraph quickly and fill in the mind map. Cholera 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 Find the problem “King Cholera” $$