人教版必修五unit1Reading.ppt

Unit 1 Great Scientists,Reading,2019/7/14,Scientists:,2019/7/14,Alexander Bell electricity Thomas Edison the First telephone Wright Brothers the electric Lamp Madame Curie black holes in Universe Franklin Theory of Gravity Steven Hawking the First Plane Elbert Einstein Radium Isaac Newton the Theory of Relativity,Scientists & Contributions:,2019/7/14,Pre-reading:,Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyse the results Find supporting evidence,What order do you put them in? Why?,Think of a method,Collect results,Make up a question,Find a problem,Analyse the results,Draw a conclusion,Find supporting evidence,What do you know about infectious diseases?,a kind of infectious diseases,2019/7/14,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(嘔吐) and diarrhoea(腹瀉).,Reading,2019/7/14,Task 1:Skim,Match stages with paragraphs.,John Snow,Who helped to defeat the disease?,Whats the name of the disease?,Cholera,Draw a conclusion,Find a problem,Make up a question,Think of a method,Collect results,Analyse the results,Para 1,Para 2,Para 3,Para 4,Para 5,Para 6,Match them,Find supporting evidence,Para 7,2019/7/14,Whats the main idea of the passage? John Snow was a well-known doctor in London. The cause of Cholera was polluted water. The source of all drinking water should be examined. How John Snow find the cause of the disease and solved it .,Task 2 Scanning,Mind Map of the text,Do you know what did this map was used for in 1854?,Finding out the cause of Cholera.,2019/7/14,Number these events in the order that they happened _ John Snow began to test two theories. _ An outbreak of cholera hit London in 1854. _ John Snow marked the deaths on a map. _ He announced that the water carried the disease. _ John Snow investigated two streets where the outbreak was very severe. _ King Cholera was defeated. _ He found that most of the deaths were near a water pump. _ He had the handle removed from the water pump.,2,7,1,3,4,5,8,6,2019/7/14,What is the problem?,The cholera was the most _ disease of its day. Neither its _, nor its _ was _.,What caused cholera?,Details,1. Find a problem,deadly,cause,cure,understood,2019/7/14,Which theory is correct?,idea 1,idea 2,Cholera_ in the air without reason. A cloud of dangerous gas would _ around until it found its _.,People _ it with their meals.,2.make up a question,multiplied,float,victims,absorbed,2019/7/14,3. think of a method,A map of Broad Street,What method did he use?,Broad Street,Many deaths happened here.,No death happened here.,The water from the pump was to blame.,Public house,4. collect results,2019/7/14,analyze the results: What happened to the pump water?,The water was from the _ which had been _ by the _ from London.,5. analyse the results,river,polluted,dirty water,2019/7/14,What extra evidence did he find?,two other deaths,A woman and her daughter who lived far away but drank the water also died.,7. draw a conclusion with certainty,The polluted water carried the disease.,6. find supporting evidence,Task 3 Consolidation,Complete the passage,2019/7/14,Read the passage again and fill in the blanks: John Snow was a well-known _ in London in the 19th century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to _ information. 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 _ cholera. He suggested that the source of all water s