《Book5Unit1Reading.ppt》由会员分享，可在线阅读，更多相关《Book5Unit1Reading.ppt（17页珍藏版）》请在三一文库上搜索。
1、Module 5 Unit 1 Great Scientists,They create our colorful and comfortable life.,make great contributions,make every effort,make a difference,Stages in scientific research,Draw a conclusion,Collect results,Make a question,Find a problem,Analyse the results,Repeat if necessary,Find supporting evidence
2、,Think of a method,Predict the content from the title,John Snow defeats “King cholera”,Scientific research stages,Para1:,What causes cholera?,Find a problem:,John Snow,famous/ well-known,expert/professional,deadly,Battle,vs,kind-hearted,considerate,incurable,infectious,terrible,challenge,face/solve,
3、Adjectives(形容词),Adjectives,Para2:,Make a question:,Which theory is correct?,_ theories,The first,The second,?,Two,It suggested that cholera multiplied in the air.,It suggested that people absorbed this disease into their bodies with their meals.,John Snow suspected that the second theory was correct
4、 but he needed evidence. So when another outbreak hit London in 1854, he was ready to begin his enquiry. As the disease spread quickly through poor neighbourhoods, he began to gather information. In two particular streets, the cholera outbreak was so severe that more than 500 people died in ten days
5、. He was determined to find out why.,Para3:,suspected,the second theory,Think of a method:,Collect data on the disease,needed evidence,begin his enquiry,gather information,In two particular streets,500 people,was correct,was,determined to,There were many deaths here.,There was no death here.,Conclus
6、ion: It seemed that the water was to blame.,?,People working here hadnt drunk the water from the pump.,Para4:,Collect results:,Mark information on a map,Where did many deaths happen and where did no death happen?,Para5:,Analyse results:,Analyse the source of the water,Q1: Where did the water come fr
7、om?,It came from the river polluted by the dirty water from London.,Q2: What measures did John Snow take and what about the result?,Remove the handle from the pump.,The disease slowed down.,Cholera was spread by germs and not in a cloud of gas.,Para6:,Find supporting evidence:,Find other evidence,Q:
8、 What is the supporting evidence?,To prove a new idea or suspicion, enough supporting evidence is strongly required.,Two other deaths in another part of London that were linked to the Broad Street outbreak.,Q1: What conclusion did John Snow draw with the extra evidence?,Para 6&7:,Draw a conclusion:,
9、The cause of cholera and suggestions,Polluted water carried the germs.,Q2: What did John Snow suggest after that?,The source of all the water supplies be examined.,The water companies were instructed not to expose people to polluted water,John Snow,Finally “King Cholera” was defeated.,“King cholera”,Para 7:,The final result,Battle,Discussion:,scientific research stages,scientific report,Homework: Writing style,Writing style,scientific report,Formal language with few adjectives,THANKS FOR YOUR ATTENTION,