(
课件网) Great scientists Reading Pre-reading 1.What impresses you most in 2003 Infectious diseases can be spread to other people. They have an unknown cause and need public health care to solve them. People may be exposed to infectious diseases, so may animals. Bird flu, AIDS and SARS are infectious diseases. Infectious diseases are difficult to cure. What do you know about infectious diseases Can you name some What other infectious diseases do you know For example: When you eat some food that is not fresh…… You may feel… Maybe you have got _____. Cholera 2. pre-reading: look at the picture, map, the title and predict the content of the readingpassage. 1. what can you learn from the title defeats “king cholera” pre-reading Reading: 1. skim and fill in the stages of an experiment at the top of each paragraph. (2m') p7. draw a conclusion think of a method collect results make a question find a problem analyse the results find supporting evidence p1. find a problem p2. make a question p3. think of a method p4. collect results p5. analyse the results draw a conclusion How to prove a new idea in scientific research p6. find supporting evidence para. 1 What is the problem The cholera was the most deadly disease of its day. Neither its cause, nor its cure was understood. What caused cholera Make a question: Which theory to believe in Idea 1 Idea 2 Cholera multiplied in the air without reason. A cloud of dangerous gas would float around until it found its victims. People absorbed it with their meals. Which one do you believe more What about John Snow 2. focus on Para. 4 and mark the death on the map. 3. scanning the passage and finish Ex.2 P3. reading comprehending Summary John Snow was a well-known _____ in London in the _____ century. He wanted to find the _____ of cholera in order to _____ it. In 1854 when a cholera _____ out, he began to gather information. doctor 19th cause defeat broke He _____ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _____ died. So he decided that the polluted water carried cholera. He suggested that the _____ of all water supply be _____ and new methods of _____ with polluted water be found. Finally, “King Cholera” was defeated. marked pump source examined dealing Cholera: It begins in the stomach and a severe case can lead to death without immediate treatment. And the victims died very quickly from a loss of liquid after severe vomiting(呕吐) and diarrhoea(腹泻). what is cholera Language Points in Reading1.personal physician内科医生2.ordinary people普通人3. deadly disease致命疾病4. face the challenge面对挑战5. be interested in对…感兴趣6. absorb sth. into将…吸收；吞并7. affected person：患者；受感染的人8. be ready to do准备做9. poor neighborhoods贫民区10. gather information收集信息11. be determined to do决心做12. mark on a map在地图上做标记phrases in reading13. give sb. a clue为…提供线索14. m ... ...
