英语：unit1-great-scientists-reading(2)课件(新人教版必修5)

1、Who defeats “King Cholera“?What happened in 1854?How many people died in 10 days in London in 1854?Why was there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?1. Who defeats “King Cholera“?2. What happened in 1854?3. How many people died in 10 days in London in 18

2、54?John Snow.Cholera outbreak hit London.500.4. Why was there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street at that time?These families had not drunk the water from the Broad Street pump.Number these events in the order they happened._ John Snow began to test two

3、theories._ An outbreak of cholera hit London n 1854._ John Snow marked the deaths on a map._ He announced that the water carried the disease._ John Snow investigated two streets where the outbreak was very severe._ King Cholera was defeated._ He found that most of the deaths were near a water pump._

4、 He had the handle removed from the water pump.12345678Revision 2Read the text paragraph by paragraph to get details.1. What was the most deadly disease in 19th century? Why?2. When could the cholera be controlled?The cholera, because neither its cause, nor its cure was understood.John Snow knew it

5、would never be controlled until its cause was found.What is the problem?The cholera was the most deadly disease of its day. Neither its cause, nor its cure was understood.What caused cholera?Details Make a question: Which theory to believe in? Cholera multiplied in the air, floated around until it f

6、ound its victims.People absorbed it with their meals. Idea 1 Idea 2A map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseAnalyze the results: What happened to the pump water?The water was from the riv

7、er which had been polluted by the dirty water from London.Find supporting evidence: What extra evidence did he find? A woman and her daughter who lived far away but drank the water also died.Draw a conclusion with certaintyThe polluted water carried the disease. Expressions & phrases (1)1. know abou

8、t 了解了解的情况的情况2. lift up 举起举起;抬起抬起;提升提升3. steam engine 蒸汽机蒸汽机4. physical characteristic 人体特征人体特征5. put forward a theory about black holes 提出一个有关黑洞的理论提出一个有关黑洞的理论6. infectious disease 传染病传染病7. in scientific research 在科学研究上在科学研究上8. examine a new scientific idea 验证一个新的科学思想验证一个新的科学思想9. draw a conclusion 得出

9、结论得出结论10. analyse the results 分析结果分析结果11. a well-known doctor 一位著名的医生一位著名的医生12. ordinary people 百姓百姓;普通人普通人13. expose () to sth. 暴露暴露(.)在在中中 14. the most deadly disease 最致命的疾病最致命的疾病15. terrified people 被吓坏的人们被吓坏的人们16. get interested in sth./doing sth. 对做对做产生兴趣产生兴趣17. absorb sth. into 把把.吸入吸入.18. gat

10、her the information 收集信息收集信息19. determine to do sth. 决心干某事决心干某事20. a valuable clue 一条珍贵的线索一条珍贵的线索21. the water pump 水泵水泵22. in addition (to) 除除.之外还之外还 23. link to 将将.和和.联系起来联系起来 (be linked to)24. have sth. delivered (have sth. done) 分发分发 / 送送25. die of 死于死于26. announce with certainty 肯定地宣布肯定地宣布27. p

11、olluted water 被污染的水被污染的水28. prevent sb. from doing sth. 阻止某人干某事阻止某人干某事29. deal with 处理处理 30. solve the problem 解决难问题解决难问题 Language Points1. discover & inventdiscover “发现发现”，被探索或被揭示物老，被探索或被揭示物老早就客观存在着。早就客观存在着。Columbus discovered America in 1492. Who discovered radium? invent “发明发明”, 指的是发明原先不存在指的是发明原先

12、不存在的东西。的东西。Who invented the steam engine? 2. Who invented the way of giving electricity to everybody in large cities? the way of doing sth.= the way to do “做做.的的方法方法”She showed us the way of cleaning it.= She showed us the way to clean it. the way引导的定语从句的引导词有三种引导的定语从句的引导词有三种, 可以用可以用that，可以用，可以用in wh

13、ich，也可以省略。，也可以省略。I dont like the way (that/ in which) you speak to your father.与与way相关的短语相关的短语:by the way 顺便说顺便说 by way of 通过通过的方法的方法lose ones way 迷路迷路 no way (俚语俚语) 没门没门,别想别想feel ones way 摸黑走；谨慎从事摸黑走；谨慎从事on ones way to在去在去的路上的路上in this way=by this means =with this method用这种方法用这种方法3. Who put forward

14、 a theory about black holes? put forward(1) to offer (an idea, suggestion etc.) for consideration 提出提出(建议等建议等)(2)推荐某人或自己任职位推荐某人或自己任职位;提名提名May I put your name forward as our monitor?我能否提名你当我们的班长我能否提名你当我们的班长? put的短语还有：的短语还有：put away 抛弃抛弃;舍弃舍弃 put down 写下来写下来;记入名单记入名单;put on 穿上穿上;戴上戴上;增加增加 put off 耽误耽误

15、;延期延期put out 熄灭熄灭(灯灯);扑灭扑灭 (火火) put up 建立建立;建造建造put up with 忍受忍受 4. This was the most deadly disease of its day. die (v.) dead (adj.) death (n.) deadly adj. 1.dangerous; likely to cause death 危险的危险的;致命的致命的 This is a deadly disease. 2. highly effective against sth. or sb. 强有力的强有力的;致致命的命的 a deadly rem

16、ark 击中要害的评论击中要害的评论3. aiming to kill or destroy不共戴天的不共戴天的: He is my deadly enemy .adv. adv. 1.1.very very 极度极度; ;非常非常; ;十分十分 The conference was deadly The conference was deadly dull. dull. 2. like death 2. like death 死一般地死一般地 The conference was deadly The conference was deadly dull. dull. 5. But he b

17、ecame inspired when he thought about helping ordinary people exposed to cholera. exposed在句中是过去分词作后置定语，在句中是过去分词作后置定语，意为意为“患霍乱的患霍乱的”。如。如: The book written by Yu Dan is very popular.The disc, The disc, in the in the studio, sounded fantastic at studio, sounded fantastic at the party that night.the part

18、y that night. A. recorded A. recorded B. recording B. recording C. to be recorded C. to be recorded D. having recorded D. having recorded expose expose v v. . to make visible to make visible 暴露暴露 He exposes his skin to the sun. He exposes his skin to the sun. 他把皮肤暴露在阳光下他把皮肤暴露在阳光下. .to reveal the gui

19、lt or wrong doing to reveal the guilt or wrong doing of of 揭露揭露; ;揭发揭发He exposed their plot.He exposed their plot. 他揭穿了他们的阴谋他揭穿了他们的阴谋. .I threatened to expose him ( to the I threatened to expose him ( to the police)police)我威胁要我威胁要( (向警察向警察) )揭发他揭发他. .6. So many thousands of terrified people died eve

20、ry time there was an outbreak. every time是连词，引导时间状语从句，意为是连词，引导时间状语从句，意为“每次每次,每当每当”。如。如:Every time I meet him, I always think of the things happened between us. immediately, the moment, directly, instantly 等等都可以作连词都可以作连词,引导时间状语从句，意为引导时间状语从句，意为“一一就就”。如。如:I will give the letter to him immediately I see

21、 him.I came directly I got your call. I found myself in an entirely new world the moment I arrived in Beijing. Please tell me instantly he arrives. 7. absorb 7. absorb v v. . 吸收吸收( (液体液体) )；承受；承；承受；承担担 ( ( 费用等费用等) )；理解；理解( (知识等知识等) ) Use the cloth to absorb the spilled Use the cloth to absorb the sp

22、illed ink.ink. 吸干撒的墨水吸干撒的墨水 We will not absorb these charges. We will not absorb these charges. 我们不能承担这些费用我们不能承担这些费用. . So many good ideas! Its too much So many good ideas! Its too much for me to absorb all at once. for me to absorb all at once. 这么多好主意这么多好主意! !太多了太多了, ,很难一下完全吸很难一下完全吸收。收。 absorbin /

23、by. absorbin / by. 吸引注意吸引注意 I was absorbed in a book and I was absorbed in a book and didnt hear you call me .didnt hear you call me . 我在全神贯注地读本书，没听到你叫我。我在全神贯注地读本书，没听到你叫我。 absorb sb.s attention absorb sb.s attention 吸引某人注吸引某人注意意 A poster on the wall absorbed my A poster on the wall absorbed my atten

24、tion. attention. 墙上的一幅海报引起我的注意。墙上的一幅海报引起我的注意。8. valuable adj. worth a lot of money值钱的值钱的;贵重的贵重的; 有价值的有价值的a valuable diamond 贵重的宝石贵重的宝石 valuable information 有价值的消息有价值的消息 n. (pl.) sth. that worth lots of money贵重物贵重物 品品 Mary kept her valuables in a safe. 玛丽把她的贵重的东西藏在保险箱里。玛丽把她的贵重的东西藏在保险箱里。9. in addition

25、：adv. 另外另外, 此外此外In addition, the course also produces practical experience. in addition to 是个介词短语，后跟名词或是个介词短语，后跟名词或动名词。动名词。A number of people came to the zoo in addition to Peter and Paul. In addition to lending me his camera, he taught me how to use it.1) besides 1) besides 表示表示“除除 以外还，也以外还，也”，相当于相

26、当于 in addition toin addition to。 例如例如: : Besides English, they also study Besides English, they also study math, physics and chemistry.math, physics and chemistry. What has he done, besides reading What has he done, besides reading the paper? the paper? 2) except 2) except 表示表示“除除外（其余外（其余都）都）”，其后可跟名

27、（代）词、介，其后可跟名（代）词、介词短语、动词不定式短语或词短语、动词不定式短语或 从句从句 。例如例如: : He answered all the questions He answered all the questions except the last one. except the last one. I went nowhere except to the I went nowhere except to the library.library. Every day Mary does nothing Every day Mary does nothing except wat

28、ch TV.except watch TV. My father usually goes to My father usually goes to work by bike except when it work by bike except when it rains.rains. except for except for 也表示也表示“除除 以以外外”，但是和，但是和 except except 所跟的词常所跟的词常常是同类的，是指整体除去一部份常是同类的，是指整体除去一部份; ; 而与而与 except for except for 连用的词往往不连用的词往往不是同类的，是指整体中除

29、去是同类的，是指整体中除去 一个细一个细节。例如节。例如: : Your composition is good Your composition is good except for a few spelling except for a few spelling mistakes. mistakes. Except for an old lady, the Except for an old lady, the bus was empty.bus was empty. 3) apart from 3) apart from 表示表示“除除 之外之外”。根据上、下文，既可用作根据上、下文，既

30、可用作 besides, besides, 也可用作也可用作 except except 和和 except forexcept for。例如例如: : Apart from them, I had no one to Apart from them, I had no one to talk to. (= except) talk to. (= except) Apart from other considerations, Apart from other considerations, time is also a factor. time is also a factor. (=bes

31、ides(=besides） It is good work apart from a few It is good work apart from a few faults. (= except for)faults. (= except for)Discovering useful words and expressions 1. Find the word and expression from the text for each of the following meanings.Suggested answers:1. victim 2. physician 3. analyse4.

32、 defeat 5. challenge 6. enquiry 7. pump 8. blame 9. absorb 10. link to 2. Choose the words in their correct forms to complete this passage.Suggested answers:1. severe 2. suspected 3. exposed4. experts 5. cure 6. foresaw7. concluded 8. announced 9. attended1. Surf the Internet to find out more about cholera.2. Write down the important words and phrases in your exercise books and finish exercises 1-4 on page 4.3. Underline the difficult sentences that you cannot understand.