Unit 1 Science and Scientists Reading and thinking 课件-2024-2025学年高二英语人教版（2019）选择性必修第二册

Unit1 Science and Scientists Reading and Thinking Do you still remember who he/she is? To Youyou She discovered a new treatment for malaria ---artemisinin. won the Nobel Prize for Physiology or Medicine Do you still remember who he/she is? Alexander Fleming He discovered penicillin. won the Nobel Prize for Physiology or Medicine Do you still remember who he/she is? Florence Nightingale She was the founder of modern nursing known as “the lady with the lamp” Do you still remember who he/she is? Zhong Nanshan He played an important role in fighting against Covid-19 won the Medal of Republic in 2020 . Great people in the field of medicine John Snow (1813---1858) Cholera —— a terrible disease loss of liquid (缺水)/ dehydration severe vomiting diarrhoea It begins in the stomach and a severe case can lead to death without immediate treatment. What will be talked about from the title ? John Snow Defeats “King Cholera” Who ? How ? What ? What does “ King ” imply in the title? The name of cholera The causes of cholera Cholera spread fast Cholera is powerful and hard to cure Cholera Snow What? It's one of ____________________________ in the world, because it causes _______________________________________. 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. frustrated how to prevent or treat cholera a famous doctor attended to destroy cholera the most feared diseases severe diarrhoea, dehydration and even death When? ________________________ In the early 19th century Where? __________ Europe What results? ____________________________________ Millions of people died from the disease Task1. Read Para.1 and finish the mind map Background 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 needed. The second theory Task 2: Read Para.2 and find out 2 theories Ask a question Find the problem 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 who 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 water pump pub water from the pump free beer Find supporting evidence Task 3: Read Para.3 and complete the blank. multiple deaths happened here. No death happened here. Public house Clue: free beer from public house adj.数量多的 It seemed that the water from the pump was to blame. 12 12 Find a problem Make a question Think of a method Collect results Analyse the results Find supporting evidence Draw a conclusion Based on para2-3, can you figure out the right order of a scientific research 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.Which is NOT true according to the last paragraph ? A. Water companies now sell clean water. B. Cholera is destroyed completely. C. John Snow transformed the way scientists study disease . D. John Snow is regarded as the father of modern epidemiology. Task 4: Read the last two paras. and choose the best answer. What qualities do you need to be a scientist? hard work devotion determination passion creativity selflessness strict attitude Common characteristics infectious diseases Besides cholera , what other kind of infectious diseases do you know? How can we protect ourselves from them ? SARS AIDS Bird Flu COVID-19 ways to protect ourselves How can we protect ourselves from them ? Wear mask Wash hands frequently Do sports X Avoid gathering Choose fresh food . Drink boiled and clean water. Deal with rubbish properly. $$