（新教材）2020-2021学年高中英语人教版选择性必修第二册课件：UNIT 1 PERIOD 1 READING AND THINKING （Ⅰ） .ppt

1、Unit 1 Science and ScientistsPeriod 1Reading and Thinking()语篇研读课自主素养储备.新词相知(一)连线相匹配的英语释义。1.severe2.frustrated3.infection 4.proof5.raw6.decrease7.pure8.transforma.cause to become shorter,smaller or lessb.the act or progress of causing or getting a diseasec.change the shape,appearance,quality or natur

2、e of something d.(of food)not cooked;in the natural state;not yet treated for usee.any factual evidence that helps to establish the truth of somethingf.not mixed with any other substanceg.disappointingly unsuccessful h.intensely or extremely bad or unpleasant in degree or quality答案:18.hgbedafc(二)结合语

3、境,从上面的表格中选择恰当的单词填空。1.Im feeling rather _ in my present job;I need a change.2.Guterres congratulates China on the significant _ of COVID-19 cases.3.He is not satisfied with his life and he wants to _ himself into a successful businessman.4.The air is very _,and it often rains here.5.Last year a _ sto

4、rm turned the small village down to ground.frustrateddecreasetransformpuresevere6.Do you want your vegetables cooked or _?7.He hasnt got any _that this bike belongs to him.8.The medicine was used to protect the whole population against _.rawproofinfection.短语熟记1.subscribe _同意;赞同2.2.find _找出;查找;发现3.3.

5、_ general通常;大体上;一般而言4.4.die _死于(某种疾病)5.5.once and _all最终地;彻底地6.6._ a result of因为;由于7.7.move away _搬走;摆脱;远离tooutinfrom/offorasfrom8.be to _该受责备;该负责9.be _ to有可能10.thanks _幸亏;由于blamelikelyto【课文浅触】1.Read John Snow Defeats“King Cholera”and try to tell us what King Cholera2.is._2.How do you think it can s

6、pread?_ King Cholera is a deadly infectious disease.It often breaks out in summer andautumn.I think it can spread by drinking infected water,eating raw or undercookedfood.Whats more,it can spread from contact with infected people.探究素养提能Step 1Pre-reading1.Look at the pictures and tell us who they are

7、.A:_B:_C:_ Tu YouyouYuan LongpingZhong Nanshan2.Can you tell us what achievements they have made?_ _ _ Tu Youyou discovered artemisinin(青蒿素),a drug that has greatly reducedthe death rates for patients suffering from malaria(疟疾).Yuan Longping developed the hybrid rice,which helps to overcome the food

8、shortage problems in China,even in other developing countries.Zhong Nanshan has made many great achievements in the fight againstCOVID-19.Step 2While-reading.Read the passage and finish the following task.What does the passage mainly talk about?_The passage mainly talks about how John Snow found the

9、 cause of“KingCholera”and finally the disease was defeated.Match the main idea with each paragraph.Choose the best answer.1.Which of the following did John Snow think was the most important to defeat a disease?A.Finding its cause.B.Finding its cure.C.Finding its result.D.Finding its harm.2.Which of

10、the following streets had the most deaths from cholera?A.No.40 Broad Street.B.No.8 Cambridge Street.C.No.21 Broad Street.D.No.9 Cambridge Street.3.Why did some households in No.20 and No.21 Broad Street had no deaths in the outbreak of cholera?A.Because they worked in the pub at 7 Cambridge Street w

11、hich had cleaner conditions.B.Because they had drunk free beer instead of water from the Broad Street pump.C.Because the beer they had drunk could prevent against cholera.D.Because they had known the water from the Broad Street pump was dangerous to drink.4.What can we learn from the passage?A.Pollu

12、ted water was a main reason for spreading cholera.B.Broad Street and Cambridge Street had their own water pumps.C.Cholera spread through air.D.John Snow found the cause of cholera by accident.答案:14.AABA.Sentence explanation.1.Snow began by marking on a map the exact places where all those who died 2

13、.had lived.分析:by引导的介词短语在句中作_;where引导_,修饰先行词places;on a map为地点状语前置;who引导的定语从句修饰先行词_。句意:_方式状语定语从句those斯诺开始通过在一张地图上标明所有死者住过的确切的地方开始(调查霍乱的原因)。2.The people who drank this water were much more likely to get cholera than those who drank pure or boiled water.分析:than引导_;两个who引导的是定语从句,分别修饰_和_;be likely to 意为“

14、_”。句意:_比较状语The peoplethose有可能喝这种水的人比喝纯净水或是开水的人更有可能感染霍乱。Step 3Post-reading John Snow was a famous doctor in London,who was so expert that he attended 1._ Queen Victoria as her personal physician.But he was better-known for 2._(defeat)“King Cholera”.Cholera was a 3._(dead)disease and neither its cause

15、 4._ its cure was understood.John Snow wanted to face the challenge and solve the problem.He 5._(suspect)that people absorbed this disease into their bodies with their meals.So when another severe outbreak hit London,he began his enquiry.He found that many victims 6._(link)to the outbreak were near

16、todefeatingdeadlynorsuspectedlinkedthe water pump,so he had the handle 7._(remove).Soon afterwards the disease slowed down.He drew 8._ conclusion that the polluted water was 9._(blame).The water 10._(company)were instructed not to expose people to polluted water anymore.Finally“King Cholera”was defe

17、ated.removedato blamecompanies【主题情境思考】Work in groups and put forward some advice on how to deal with some viruses.1.How to prevent yourself from being infected with some viruses?_ 2.What should be done after cholera infection?_Wash hands frequently;drink clean or boiled water;do not eat raw orundercooked food;disinfect(消毒)regularly;do exercise regularly to buildmyself up;see a doctor if I have symptoms.Cholera is very infectious.Once cholera infection is found,both light patientsand carriers should be isolated and treated.