1、 Reading and ThinkingReading and Thinking u Find out the stages of scientific research in this passage.u Learn about John Snows research process.u Express your ideas on the given topic through creative thinking.Pre-reading.While-reading.Post-reading.HomeworkPre-readingrun nucleic acid tests get vacc
2、inatedWe are taking measures to fight against coronavirus!Are you familiar with these situations?l It was discovered in the human body in 2019.The virus is generally characterised by fever,dry cough and gradually dyspnea(逐渐出现呼吸困难逐渐出现呼吸困难).l The virus was confirmed to be with the phenomenon of human
3、transmission and have latent infection.l The disease had no specific treatment at that time,so it broke out in 2020 and swept the globe.COVID-19COVID-19Besides coronavirus,what other kinds of epidemics（流行病）have you heard of?bird-flu（禽流感）malaria（疟疾）plague（鼠疫）Ebola(埃博拉)Video Time:How much do you know
4、about cholera?What are the symptoms(症状)of Cholera？dehydration(缺水)severe vomiting(呕吐)diarrhea(腹泻)While readingRead the whole text quickly and match the main ideas.the second Fast readingTask11.Mark the houses that had more than 4 deaths in Broad Street in the map.2.Mark the houses that had no death i
5、n Broad Street in the map.3.Why had some households(such as 20 and 21 Broad Street and 8 and 9 Cambridge Street)had no deaths?Careful readingTask1A map of Broad Street-”Cholera Map”A map of Broad Street-”Cholera Map”What method did Snow use?A map of Broad Street-”Cholera Map”Multiple deaths happened
6、 here.No death happened here.Careful readingRead paragraph 2&3 again and complete the chart below.It was believed that cholera was caused by bad _ or germs in _.Snow _ the places where the people who _ had lived.Many deaths occurred near the _ in Broad Street.Some people _ drunk the water from the p
7、ump,and lived.A woman and her daughter died in another part of London afterThe pump water carried _.The _ of the pump was removed.airfood or watermarkeddiedwater pumphadntmoving away from Broad Street.cholera germshandleA.C.B.D.E.n.细菌细菌n.把手把手泵泵15theoriesprocessevidenceconclusionsolutionTask2l Water
8、companies began to sell clean water.l The threat of cholera around the world decreased.l He helped people know how to prevent cholera.l Snow transformed the way scientists study diseases.Q1.What contributions did John Snow make?Task3STAGES IN SCIENTIFIC RESEARCH Draw a conclusion Collect data Ask a
9、question Find a problem Analyse the results Find supporting evidence Think of a method Post-readingWear a mask when going out.Only eat food thats been thoroughly cooked.How to protect yourself from infectious diseases?Drink boiled water.Wash hands frequently.Keep away from the crowds.Choose fresh food.Dispose rubbish properly.adj.传染性的传染性的19 Homework 假如你是学生会主席李华，当前新冠状病假如你是学生会主席李华，当前新冠状病毒肆虐，请你围绕毒肆虐，请你围绕“从小事做起共战疫情从小事做起共战疫情”这这一主题，给全校学生写一封英文倡议书。一主题，给全校学生写一封英文倡议书。要点如下：要点如下：1.倡议的原因和目的倡议的原因和目的2.倡议的具体内容倡议的具体内容3.发出发出呼吁呼吁.
