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1、Reading,Unit 1 Great scientists,Guess:Do you know them?,Charles Darwin.,He wrote a book explaining how animals and plants developed as the environment changed.,Thomas Edison,He invented the way of giving electricity to everybody in large cities.,Marie Curie,She discovered radium.,Alexander Bell (1)e
2、lectricity Thomas Edison (2)the First telephone Laiter Brothers (3)the electric Lamp Madame Curie (4)black holes in Universe Franklin (5)Theory of Gravity Steven Hawking (6)the First Plane Elbert Einstein (7)Radium Isaac Newton (8)the Theory of Relativity,Match the inventions with their inventors,Pl
3、ease put the 7 stages in right order according to the passage.,Pre-reading,Cholera is the illness caused by a bacterium called Varian cholera. If infects peoples intestines(肠胃), causing diarrhea(腹泻), vomiting(呕吐) and leg cramps (小腿抽筋).,2. What do you know about cholera?,The most common cause of chol
4、era is by someone eating food or drinking water that has been contaminated(污染) with the bacteria. Cholera can be mild(不严重的) or even without symptoms(症状), but a severe case can lead to death without immediately treatment.,Look at the picture, the title and the map, guess what the content of the text
5、is. Then skim it quickly to see if you are right.,Reading,John Snow Defeats “King Cholera”,John Snow,Skimming,Read the text (P2-3) quickly and complete the main idea of it. The text is mainly about _ _ and how he _.,John,defeated cholera,Snow,I. To prove a new scientific idea, seven stages are neede
6、d. Read the text (P2-3) carefully and fill in the blanks.,Careful reading,cause,absorbed,multiplied,cure,map,prove,source,Broad Street,Many deaths happened here.,No death happened here.,The water from the pump was to blame.,Public house,drinking the water,Polluted water,examined,extra evidence: A wo
7、man and her daughter who lived far away but drank the water also died.,I. Choose the best answer. We know from the text that John Snow _. had collected information before cholera broke out B. felt not quite sure after he finished the map C. helped the woman from Broad Street D. became famous after d
8、efeating cholera,2. Why did John Snow use a map in his research? It could help him find exactly how many people died of cholera. B. It could help him find the source of drinking water for people. C. It could help him organize his ideas and find evidence. D. It could help him find his way in Broad St
9、reet.,3. Why was cholera called “King Cholera” in the text? Because it caused many deaths. B. Because it got its name from Queen Victoria. C. Because it was defeated with the help of the King. D. Because it was the most deadly disease of its day.,Post reading,Number these events in the order that th
10、ey happened. _ John Snow began to test two theories. _ An outbreak of cholera hit London in 1854. _ John Snow marked the deaths on a map.,1,2,4,_ He announced that the water carried the disease. _ John Snow investigated two streets where the outbreak was very severe. _ King Cholera was defeated. _ H
11、e found that most of the deaths were near a water pump. _ He had the handle removed from the water pump.,3,5,6,7,8,Discussion,a.Eat only food thats been thoroughly cooked and is still hot, or fruit that youve peeled yourself. b.Avoid undercooked or raw fish and shellfish. c.Avoid raw salads and vege
12、tables. d. Avoid food and drinks from street vendors.,2.Cholera was a 19th century disease. What disease do you think is similar to cholera today? Why?,Three diseases, which are similar today, are SARS, AIDS and bird flu, because they are serious, have an unknown cause and need public health care to
13、 solve them.,Useful sentences So many thousands of terrified people died _(每次暴发霍乱时). He immediately told the astonished people in Broad Street _(拆掉水泵的把手，这样，水泵就用不成了). to remove the handle from the pump so that it could not be used,every time there was an outbreak,3. A woman, who had moved away from B
14、road Street, liked the water from the pump_. so much that she had it delivered to her house every day 有一位妇女，她是从宽街搬过来的，非常喜欢那里从水泵打上来的水，每天都要派人去那里运水到她家里来。,John Snow, a famous doctor and expert, succeeded in defeating King Cholera in a scientific way. Cholera was a deadly disease and had attacked London twice in the 1850s.,Main idea,Sum up the main idea of the passage with 30 words.,Thanks for listening!,
