公开课Reading.ppt

(Pre-reading and Reading)Class 16 Grade 2 Teaching aims1.Know about John Snow and “King Cholera”.2.Improve students reading abilities.3.To speak out the detailed information of the passage.Thomas EdisonZhang HengStephen Hawking (1942-2018) a British astronomer3.Who put forward a theory about black holes?Yuan LongpingJohn SnowDo you know how to prove a new idea in scientific research? Put the stages in right order.What order(顺序顺序) would you put them in?1234567Find a problemMake up a questionThink of a methodCollect resultsAnalyse the resultsFind supporting evidenceDraw a conclusionJohn Snow defeats “King Cholera”1. Skimming1). Whats the main idea of the passage?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 .Find a problem What causes cholera?Make up a questionWhich theory is correct?Think of a method Collect data on those whowere ill or died and wherethey got their water.Para. 1Para. 2Para. 32).Match the seven paragraphs with the seven stages.Para. 5Analyze the resultsAnalyze the water to see if that is thecause of the illness.Para. 6Find supporting evidenceFind other evidence to confirm(证证实实)your conclusion.Para. 7Draw a conclusionThe water is to blame. The source of alldrinking water should be examined sothat it is safe.Para. 4Collect resultsPlot(标绘标绘) information on a map tofind out where people died or did not die.2.Careful reading Read the passage paragraph by paragraph, and then answer my questions1. What was the most deadly disease of its day? Why?2. When could the cholera be controlled?The cholera, because neither its cause, nor its cure was understood.John Snow knew that cholera would never be controlled until its cause was found.Which theory to believe in? Cholera _ in the air . A cloud of dangerous gas floated around until it found its _ . People _ this disease into their bodies with their meals.multipliedvictimsabsorbedA map of Broad StreetWhat did John Snow use to help him?Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Pub What happened to the pump water?He found that the water came from the river _ by the dirty water from London.pollutedWhat extra evidence did he find? A woman and her daughter who lived far away but drank the water also died.draw a conclusion with certaintyThe polluted water carried the virus. John Snow was a famous doctor in London, who was so expert that he 1. _(attend) Queen Victoria as her personal physician. But he was famous for 2. _ (defeat) “King Cholera”. Cholera was a 3. _ (dead) disease and neither its cause 4._ its cure was understood. John Snow wanted to face the challenge and solve the problem . He suspected that people absorbed this disease into their bodies with their meals . So when another severe outbreak hit London , _.nordefeatingdeadlyattendedhe began his enquiry .He found that many victims 5. _(link) to the outbreak were near the water pump , so he had the handle 6. _(remove) .Soon afterwards the disease slowed down . He drew 7._ conclusion that the polluted water was 8._ (blame) . The water 9. _(company) were instructed not to expose people 10._ polluted water any more. Finally, “King Cholera” was defeated.tolinkedremovedcompaniesto blametheCholera can spread from one person to another. So it is an infectious Disease. infect/affect peopleWhat should we pay attention to in our daily life in order not to get infected with infectious diseases? Heat the food left overnightCook raw food thoroughlyWash hands oftenKeep away from fliesChoose fresh foodKeep the kitchen cleanDispose rubbish properly.Drink boiled water1. Write down the important words and phrases in your exercise books.2. Underline the difficult sentences that you cannot understand.