【课件】Unit+1+Reading+and+thinking+课件人教版（2019）选择性必修第二册.pptx

《【课件】Unit+1+Reading+and+thinking+课件人教版（2019）选择性必修第二册.pptx》由会员分享，可在线阅读，更多相关《【课件】Unit+1+Reading+and+thinking+课件人教版（2019）选择性必修第二册.pptx（22页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、UNIT 1 SCIENCE AND SCIENTISTS Reading and Thinking Learning ObjectivesuFind out the stages of scientific research in this passage.uLearn about John Snows research process.uExpress your ideas on the given topic through creative thinking.CONTENTS.Pre-reading.While-reading.Post-reading.HomeworkPre-read

2、ingrun nucleic acid tests get vaccinatedWe 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 t

3、o be with the phenomenon of human 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-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

4、Time:How much do you know about cholera?What are the symptoms(症状)of Cholera？dehydration(缺水)severe vomiting(呕吐)diarrhea(腹泻)John Snow How did he win the battle?While readingRead the whole text quickly and match the main ideas.Para.1 Para.2 Para.4Para.5 D.John Snow desired to destroy cholera.B.John Sno

5、w decided to prove the second theory.A.Snow began his study by marking on the map.E.Truth of the infection of cholera.C.Snows contributions.Para.3 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 in Broad Street in the map.

6、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 A map of Broad Street-”Cholera Map”Map”What method did Snow use?A map of Broad Street-”Cholera Map”Multiple deaths happened here.No death happened he

7、re.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 pump,and lived.A woman and

8、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15theoriesprocessevidenceconclusionsolutionTask2lWater companies began to sell cle

9、an water.lThe threat of cholera around the world decreased.lHe helped people know how to prevent cholera.lSnow transformed the way scientists study diseases.Q1.What contributions did John Snow make?The Father of Modern EpidemiologyTask3STAGES IN SCIENTIFIC RESEARCH Draw a conclusion Collect data Ask

10、 a 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.