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1、Unit 1Unit 1Unit 1Unit 1SCIENCE AND SCIENTISTSSCIENCE AND SCIENTISTSSCIENCE AND SCIENTISTSSCIENCE AND SCIENTISTSLearning 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.Wha
2、t disease can you think of when you look at these pictures?COVID-19COVID-19:an infectious disease.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).The virus was confirmed to be with the phenomenon of human tra
3、nsmission and have latent(潜在的潜在的)infection.The disease had no specific treatment at that time,so it broke out in 2020 and swept the globe.Besides coronavirus,what other kinds of epidemics（流行病）have you heard of?CholearaAdd Something At HereAdd Something At HereAdd Something At HereAdd Something At He
4、reAdd Something At HereAdd Something At HereDo you know how to prove a new idea in scientific research?How many stages are needed to set out a scientific research?Draw a conclusion Collect data Ask a question Find a problem Analyze the results Find supporting evidence Think of a method What order wo
5、uld you put them in?John Snow Defeats“King Cholera”What does“King”imply in the title?A.The name of cholera B.The causes of cholera C.Cholera spread fast D.Cholera is powerful and hard to cureRead the title and predict.John Snow Defeats“King Cholera”Who?How?What?Main idea:The text is mainly about _ a
6、nd _ he defeat _John SnowhowKing CholeraActivity 2:Read for the StructureJohn Snow desired to _ cholera.John Snow decided to prove _ theory.Snow began his study by _._ of the infection of cholera.Para.1 Para.1 Para.2 Para.2 Para.3 Para.3 ParaPara.4 4 The results and the _of Snows work.Para.5 Para.5 WhatWhatWhatWhat&Who Who HowHow TruthTruth Results Results destroythe secondmarking on a mapThe truthsignificanceThanks