JOHN SNOW DEFEATS “KING CHOLERA” • Infectious diseases can be spread to other people. They have an unknown cause and need public health care to solve them.Pre-reading1. What do you know about infectious diseases?传播不为人知的 •Repel ( 回避 ) may be exposed to an infectious diseases, so may animals, such as bird flu. AIDS, SARS are infectious diseases.•Infectious diseases are difficult to cure. 爆发治愈 Pre-reading(background knowledge) 2.What do you know about cholera? Cholera is ________ disease. It spreads by _______ . 3. What do you know about John Snow? What is he famous for?He successfully defeat _____________. “King Cholera”infectiousgerms 4. Discuss the stages in examining a new scientific idea. What order would you put them in? Make a conclusion Think of a method Collect results Make up a questionFind a problem Analyse the results Repeat if necessary①③②④⑤⑥⑦ 1. Find a problemWhat causes cholera? 2.Make up a questionWhich theory is correct?3.Think of a method Collect data on those who were ____ or _____and where they got their _______.waterilldied 4. Collect resultsPlot information on a _____ to find out where people ____ or__________ .5. Analyze /Analyse the resultsAnalyse the _____ to see if that is the ______ of the illness.mapdieddid not diewatercause 7. Draw a conclusionThe water is to______ . The source of all drinking water should be ________ so that it is safe.blameexamined6. Repeat if necessaryFind other evidence to confirm your conclusion. 1. What’s is the main idea of the passage?__________ used his knowledge to find out the _____ of deadly disease ________ .John Snowcholera2. Why couldn’t cholera be under control at first?Because neither its ______ nor its ______ was...
