b5U1 Reading概要1.ppt

2). Use the seven stages in examining a new scientific idea to describe each paragraph. draw a conclusion find a problem make up a question think of a method collect results analyse the results find supporting evidence Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 para 7 Find a problem What causes cholera? Make up a question Which theory is correct? Think of a method Collect data on those who were ill or died and where they got their water. Para. 1 Para. 2 Para. 3 Para. 5 Analyse the results Analyse the water to see if that is the cause of the illness. Para. 6 Find supporting evidence Find other evidence to confirm your conclusion. Para. 7 Make a conclusion The water is to blame. The source of all drinking water should be examined so that it is safe. Para. 4 Collect results Plot information on a map to find out where people died or did not die. 2.Careful reading Read the passage paragraph by paragraph carefully,then answer these questions 1.What was the most deadly disease in 19th century?Why? 2.When could the cholera be controlled? The cholera,because neither its cause,nor its cure was understood. John Snow knew it would never be controlled until its cause was found. 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? Details Careful Reading: John Snow was an doctor in London who Queen Victoria as her personal . He thought about helping ordinary people to cholera. Though the cause and the of it were unknown, he wanted to face the and solve the problem. expert attended physician exposed cure challenge make up a question: Which theory to believe in? Cholera _________ in the air without reason. A cloud of dangerous gas _____ _______ until it found its ________. People _________ it with_________. multiplied floated around victims absorbed their meals