Unit1 Science and scientists Period 1 Reading and Thinking(ppt课件)-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、 Period 1 Reading and Thinking Unit 1 Science and Scientists Who is he?He put forward a theory about black holes.Stephen HawkingLead inThere are some great scientific achievements that have changed the world.Name some famous scientists you know and tell something about them.Who is she?Tu Youyou She

2、is the first Chinese Nobel laureate in physiology or medicine and the first female citizen of China to receive a Nobel Prize.Lead inlaureate lrit lrit n.获奖者，荣誉获得者What do you know about the great scientist?Who is he?Zhong Nanshan,who has been committed to the study,prevention and treatment of major r

3、espiratory diseases and significantly contributed to the COVID-19 fight,was recommended for the Medal of the Republic nomination.coronavirusbe infected withconfirmed/suspected casesvaccine（疫苗）Besides coronavirus,what other kinds of epidemics（流行病）do you know?Bird-flu malaria plague（鼠疫）Ebola Smallpox（

4、天花）CholeraJohn Snow Defeated“King Cholera”Look at the picture,the title and the map,guess what the content of the text is.Then skim it quickly to see if you are right.The text is mainly about _ and _ he defeated king cholera.howJohn SnowStep 1Fast-readingRead the passage quickly and fill in the foll

5、owing blanks with suitable words.Paragraph 1：Find a problem:What caused a _?Paragraph 2：Ask a question：Which _ is right?Paragraph 3:Think of a method：Gathered _，analyzed the results and removed the _ of the pump.Step 1Fast-readingcholeratheoryevidencehandleParagraph 4：Draw a conclusion:The truth was

6、 that pump had been _ by waste.Paragraph 5:Take measures:Water companies began to sell clean water and the threat of the disease _.John is considered the _ of epidemiology.infecteddecreasedfatherKey words of each paragraph:draw a conclusionthink of a methodask a questionfind a problemtake measures5

7、stages of scientific researches in right orderRead Para 1 carefully and answer the questions.1.Why was the disease called“King Cholera”?Cholera used to be one of the most feared diseases in the world,which caused severe diarrhoea,dehydration,and even death.And when an outbreak of cholera hit Europe,

8、millions of people died from the disease.Step 2Careful-readingRead Para 1 carefully and answer the questions.2.What was Snow like and how did he feel about Cholera?As a young doctor,John Snow became frustrated because no one knew how to prevent or treat cholera.In time,he rose to become a famous doc

9、tor,and even attended to Queen Victoria when she gave birth.Read Para 1 carefully and answer the questions.3.What inspired John Snow according to this paragraph?His desire to destroy Cholera once and for all.Step 2Careful-readingRead Para 2 carefully and answer the questions.1.How did doctors think

10、Cholera spread?In general,doctors in those days had two contradictory theories.One theory was that bad air caused the disease.Another was that cholera was caused by an infection from germs in food or water.Step 2Careful-readingRead Para 2 carefully and answer the questions.2.What was Snows opinion a

11、bout the theories?Snow subscribed to the second theory,but he still needed proof.3.What did Snow do then?When an outbreak of cholera hit London in 1854,Snow began to investigate.Step 2Careful-readingA map of Broad Street-”Cholera Map”A map of Broad Street-”Cholera Map”Read Para 3 carefully.Step 2Car

12、eful-readingWhat method did Snow use?1.Which houses had more than 4 deaths and which had no death in Broad Street?2.What did Snow conclude?Multiple deaths happened here.No death happened here.Finding EvidenceStep 2Careful-readingRead Para 2 and 3 again to complete the chart.It was believed that chol

13、era was caused by _ or germs in _.The pump water carried _.Many deaths occurred near the _ in Broad Street.Some people who lived near the pump worked in the pub and _ drunk the water from the pump,and lived.A woman and her daughter had died after _,because she had the water_ every day.Snow began by

14、_ the places where people _.Snow had the handle of the pump _.ABCDEbad airfood or watermarking on the mapdied had livedwater pumphad notmoving away from Broad Streetdelivered to her housecholera germsremovedSupporting evidenceFRead Para 4 carefully and answer the questions.1.What caused choleras out

15、break in the Broad Street?The truth was that the water from the Broad Street pump had been infected by waste.2.How were people infected with the virus of cholera?Some companies sold water from the River Thames that was polluted by raw waste.The people who drank this water were much more likely to ge

16、t cholera than those who drank pure or boiled water.Step 2Careful-readingRead Para 5 carefully and fill in the blanks.The result:Through Snows tireless ,water companies began to sell ,and the threat of cholera around the world saw a substantial .,cholera is still a problem.Each year,of people around

17、 the world get cholera and many it.Step 2Careful-readingeffortsclean waterdecreaseHowevermillionsdie fromRead Para 5 carefully and fill in the blanks.Snows contribution:Fortunately,we now know how to cholera，the work of John Snow.,in his use of maps and statistics,Snow the way scientists study disea

18、ses.Snows achievement:Snow is considered .Step 2Careful-readingpreventthanks toMoreovertransformedthe father of modern epidemiologyStep 3Post-reading John Snow was a well-known _ in London in the _ century.He wanted to find the _ of cholera in order to help people _ it.In 1854 when a cholera _ Londo

19、n,he began to gather information.He _ on a map _ all the dead people had lived and he found that many people who had _(drink)the dirty water from the _ died.So he decided that the polluted water _ cholera.He suggested that the _ of all water supplies should be _ and new methods of dealing with _ wat

20、er be found.Finally,“King Cholera”was _.Consolidation:fill in the blanks based on the text.gather information 习惯搭配，意为“搜集信息”gather vt.收集；使聚集 water supplies 习惯搭配，意为“水源供应”supply n.供给，补给；供应品 Retell the passage according to below:John Snow was a well-known _ in London in the _ century.He wanted to find t

21、he _ of cholera in order to help people _ it.In 1854 when a choler _ London,he began to gather information.He _ on a map _ all the dead people had lived and he found that many people who had _(drink)the dirty water from the _ died.So he decided that the polluted water _ cholera.He suggested that the

22、 _ of all water supplies should be _ and new methods of dealing with _ water be found.Finally,“King Cholera”was _.doctor19th causehitmarkedpumpsourceexaminedpolluteddefeatedinfected withwheredrunkcarriedFather of hybrid ricekeep people away from hungerDespite the danger of infection,devote to the re

23、search of COVID-19 What qualities and scientific spirits do they have in common?DiscussionLanguage pointsImportant words1.subscribe 考查热度【热点品味】subscribe vt.认购(股份);定期交纳(会费);同意;捐助【教材原句】Snow subscribed to the second theory.斯诺赞同第二种理论。【实例品读】She subscribes to an environmental action group.她定期给一个环境行动小组交会费。T

24、he magazine is trying to get more readers to subscribe.该杂志正大力发展更多新订户。【热点归纳】subscribe to the view/theory同意观点/理论subscribe for预定;认购subscribe to订阅【考点精练】语法填空How many shares did you subscribe the new company?Important wordsfor写出下列句中subscribe 的含义【考点精练】1.I planned to subscribe to many magazines._ 2.I have n

25、ever subscribed to the view that schooldays are the happinest days of your life._ 3.How much did you subscribe to the disaster fund?_ 4.Existing shareholders subscribed to only 49of the new share issue._ 订阅同意捐赠认购2.suspect 考查热度【热点品味】suspect vt.&vi.怀疑;疑有;不信任n.犯罪嫌疑人【教材原句】Snow suspected that the water p

26、ump was to blame.斯诺怀疑水泵是元凶。【实例品读】Pilcher was suspected of giving away the companys secrets to others.皮尔彻涉嫌将公司的秘密泄露给他人。Important wordsPolice have issued a photograph of the suspect.警方已经发布了犯罪嫌疑人的照片。【热点归纳】suspect sb/sth of.怀疑某人/某事suspect sb of doing.怀疑某人做Important words单句语法填空单句语法填空【考点精练】1.We had no rea

27、son (suspect)that such a cute child might try to do harm to us.2.The policeman suspected him killing the girl and he was arrested.to suspectof3.blame 考查热度【热点品味】blame vt.把归咎于;责怪 n.责备;指责【教材原句】Snow suspected that the water pump was to blame.斯诺怀疑水泵是元凶。【实例品读】Lots of people find it hard to get up in themo

28、rning,and put the blame on the alarm clock.许多人发现早上起床很难,并把责任归咎于闹钟。Dont always blame your own failure on others.Sometimes you yourself are to blame.不要总把自己的失败归咎于他人。有时该怪的是你自己。Important words【热点归纳】(1)blame sb/sth for sth 因而责备某人/某物 blame sth on sb 把某事怪到某人头上(2)get/take the blame for.为承担责任lay/put the blame

29、on sb/sth把某事归咎于某人/某物(3)be to blame(for)应受指责Important words注意：Sb.be to blame for sth意为“某人应为某事负责”,其中不定式用主动形式表示被动含义。单句语法填空单句语法填空【考点精练】1.Mr.Green stood up in defence of the 16-year-old boy,saying that he was not the one (blame).2.Many children are afraid of (blame)for making mistakes in spoken English.3

30、.Police are blaming the accident dangerous driving.to blamebeing blamedon4.handle 考查热度 【热点品味】handle n.把手;拉手;柄 vt.处理;搬动;操纵(车辆、动物、工具等)【教材原句】Accordingly,he had the handle of the pump removed so that it could not be used.因此,他把水泵的把手取下来了,以便无法用水。Important words【实例品读】The man gave me a knife with a wooden ha

31、ndle.那人给了我一把有木柄的刀。There are several ways to handle things.有几种方法可以处理事情。Important words单句语法填空单句语法填空【考点精练】1.Tea in China was traditionally drunk from cups without (handle).2.Driving a car is not just (handle)perfectly well and has great speed acceleration.3.Most customers were satisfied with the way th

32、eir complaints (handle).handleshandlingwere handled5.decrease 考查热度【热点品味】decrease n.减少;降低;减少量 vt.&vi.(使大小、数量等)减少;减小;降低【教材原句】Through Snows tireless efforts,water companies began to sell clean water,and the threat of cholera around the world saw a substantial decrease.通过斯诺的不懈努力,自来水公司开始销售清洁用水,世界各地霍乱的威胁大

33、幅减少。【实例品读】There has been a steady decrease of temperature.温度在稳步下降。Important words【实例品读】Due to the strict traffic regulations on drunk driving,the number of accidents from it has greatly decreased.由于对酒后驾驶的严格的交通法规,酒后驾驶导致的事故的数量大大减少了。【热点归纳】decrease to减少到decrease by减少了on the decrease在减少Important words单句语

34、法填空单句语法填空【考点精练】1.Average house prices decreased 13%last year.2.The number of students going abroad for further study is the decrease nowadays.3.By 1881,the population of the island (decrease)from 5,000 to 3,500.byonhad decreased6.transform 考查热度【热点品味】transform vt.使改观;使改变形态vi.改变;转变【教材原句】Snow transform

35、ed the way scientists study diseases.斯诺改变了科学家研究疾病的方式。【实例品读】It was an event that would transform my life.那是能够改变我生活的一件事。It is a surprise that the city has been transformed from a small town into a modern industrial center in recent ten years.真令人惊奇,在近十年中这个城市由一个小乡镇转变成了一个现代化的工业中心。Important words【热点归纳】tra

36、nsform.into.使变成transform.from.into.把从变成【考点精练】1.She was transformed from a common-looking adolescent a pretty young woman.2.In the past 20 years the country (transform)into an advanced industrial power.intohas transformed Important words1.thanks to 考查热度【热点品味】thanks to 幸亏;由于【教材原句】Fortunately,we now kn

37、ow how to prevent cholera,thanks to the work of John Snow.幸运的是,由于约翰斯诺的工作,我们现在知道了如何预防霍乱。【实例品读】Thanks to your hard work,we can finish the task ahead of schedule.多亏了你的努力工作,我们能提前完成任务。Thanks to modern science and technology,people lead a more and more comfortable and rich life.多亏了现代科技,人们的生活越来越舒适、越来越富裕。Im

38、portant phrases【热点归纳】表示“因为;由于”的短语:due to 由于;因为because of 由于;因为on account of 由于owing to 由于;因为as a result of 由于的结果Important phrases【考点精练】完成句子：（1）多亏了你的指导，我在比赛中获得了第一名。，I won the first place in the competition.（2）多亏了老师的帮助我在英语方面取得了很大进步。，I have made great progress in English.Thanks to your guidanceThanks t

39、o the teachers help2.a link between.and.考查热度【热点品味】a link between.and.与的联系【教材原句】Moreover,Snow was later able to show a link between other cases of cholera and the different water companies in London.此外,斯诺后来能表明其他霍乱病例和伦敦不同的自来水公司之间的联系。【实例品读】To understand this concept,we look at the link between law and

40、ethics.要理解这一概念,我们先看一下法律和伦理之间的联系。The hearts of the people of all the nationalities are linked to each other.我国各族人民心连心。Important phrases【热点归纳】link n.联系;纽带vt.把连接起来;相关联link up(with)连接;结合link.with/to.把与连接;联系Important phrases单句语法填空单句语法填空【考点精练】1.Experts say hydrogen technology can reduce industrial gases (

41、link)to global warming.2.The crowd linked arms (form)a barrier.3.The link what the men had done as boys and how they turned out as adults was surprisingly sharp.linkedto formbetween1.It seemed that the woman liked the water from the pump so much that she had it delivered to her house every day.考查热度【

42、精品译文】这位妇女似乎非常喜欢水泵的水,所以她每天都让人把水送到她家。【句式剖析】本句是一个复合句。It seemed是主句,that the woman liked.是表语从句,so.that.引导的是结果状语从句,在结果状语从句中,had it delivered是“have+宾语+宾语补足语”结构,由于it和deliver有逻辑上的动宾关系,所以用过去分词形式作宾语补足语。Important Sentences【实例品读】It seems impossible for you to cover that long distance!你似乎不可能走那么远的路!It seemed hopef

43、ul for him to win the match.他似乎有希望赢得这场比赛。【看点解读】句型“It seemsadj.to do sth.”意为“看来/似乎是”。其中it为形式主语，动词不定式为真正的主语。【经典归纳】“seem”的句式还有：(1)“It seemsadj.to do sth.”也可变形为“sb.seems+to do/be”。(2)“There seems to be.”意为“似乎有；好像有”。Important Sentences【考点精练】语法填空(1)The theory without practice seems (be)the cars without mo

44、tors.(2)seems to be some disagreement between his words and actions.to be There Important Sentences2.The people who drank this water were much more likely to get cholera than those who drank pure or boiled water.考查热度【精品译文】喝这种水的人比喝纯净水或白开水的人更容易得霍乱。【句式剖析】本句是一个复合句。句中两个who引导的是定语从句,分别修饰the people和those。be

45、 likely to do意为“可能做”。【实例品读】The price is likely to go down because of the competition.由于竞争,价格可能会下降。You are likely to suffer from bad health if you keep smoking.如果继续吸烟,你的身体健康会受到损害。Important Sentences【看点解读】句式“sb/sth be likely to do sth.”，意为“某人/某物有可能.”。【经典归纳】likely既可用人也可用物作主语，常用句型是It is likely that.或sb.

46、/sth.is likely to.。possible和probable都不能以人作主语，常用句型有It is possible(for sb.)to do sth.或It is possible that.;probable只能用It is probable that.。Important Sentences【考点精练考点精练】语法填空(1)If you can find suitable learning methods,your learning efficiency is likely (improve).(2)The more exposed young people are to

47、financial issues,(likely)they are to become responsible.Important Sentencesto improvethe more likely.单句语法填空(1)Ade and Brooks exchanged blows yesterday and they (severe)published today.(2)Many companies (subscribe)generously to the football club so far.(3)Only a third of these (household)thought it r

48、easonable to meter water.householdsseverelyhave subscribedExercise(4)I think he suspected some improper purpose.(5)This information confirms me in the belief that he is (blame).(6)There are thirty (microscope)in our chemical laboratory.(7)They have gathered the best (statistic)they can find and run

49、them though their own computers.statisticsofto blamemicroscopes(8)The news is important that I must tell it to my friends.(9)A cheap table can (transform)by an insteresting cover.(10)You should know when (stop)asking questions.to stopsobe transformed.短语填空take the blame for:thanks to:once and for all

50、:on the decrease:subscribe to:link up：(1)the spread of modern technology,trained workers are now more vital than ever.(2)The demand for tea is each year.(3)The two families through the marriage of their daughter and son.on the decreaseThanks tolinked up(4)It is not a theory that is commonly .(5)Lets