Unit 1 Science and Scientists Reading and Thinking 课件 -2024-2025学年高中英语人教版（2019）选择性必修第二册

Unit 1 Science and Scientists Reading and Thinking To raise new questions, new possibilities, to regard old problems from a new angle requires creative imagination and marks real advance in science. —Albert Einstein & Leopold Infeld 提出新的问题，发现新的可能，从新的角度审视已存在的问题，这些需要创造性的想象力，并标志着科学的真正进步。 ——阿尔伯特·爱因斯坦&利奥波德·英费尔德 Part 01 lead-in How did Tu Youyou discover artemisinin? Put the stages of scientific research in the correct order. Stages of Scientific Research find a problem draw a conclusion analyse the results ask a question collect data find supporting evidence think of a method Part 02 Pre-reading Prediction Look at the title and picture. What might be talked about in the text? Who How What Why Cholera was called "King" at that time? Because it claimed/took a lot of lives. Personification Personification Personification is a figure of speech in which an idea or thing is given human attributes and/or feelings or is spoken of as if it were human. Personification is a common form of metaphor in that human characteristics are attributed to nonhuman things. This allows writers to create life and motion within inanimate objects, animals, and even abstract ideas by assigning them recognizable human behaviors and emotions. Part 03 While-reading Read for Structure Scan the whole text and find out the main idea of each part. Para. 1: What is cholera? Who is Snow? Para. 2-3: How did Snow defeat cholera Para. 4: The truth of cholera Para. 5: Results and contribution adj. 严峻的 在英国医生约翰·斯诺向人们展示如何战胜霍乱之前，霍乱曾敢产量、上最令人恐惧的疾病之一。这种疾病可导致严重、腹泻、脱水甚至死亡。十九世纪初，霍乱暴发，肆虐欧洲，数百万人丧命。由于当时无人知道如何预防或治疗霍乱，年轻的约翰·斯诺医生很泪丧。后来，他成了一位名医，甚至照料分娩的维多利亚女王。然而,他始终没有放弃彻底根除霍乱的愿望。 是until 引导的时间状语从句 how引导的宾语从句 "疑问词 +不定式"结构作宾语 Read for Details (Para.1) Read Para. 1 and finish the information cards Identity: Symptoms: Consequence: one of _______________________ in the world the most feared diseases severe diarrhea, dehydration, and even _______ _______ of people died from it when it hit Europe in the early 1gth century King Cholera John Snow Occupation: Nationality: Desire: A famous ________ (who even attend to ___________ when she give birth) death Millions doctor Queen Victoria Britain To destroy cholera once and for all. Read for Details (Para.1) Read for Details (Para.2) What were the two theories and which did John Snow agree with? adj. 矛盾的 n. 传染, 感染 vi. 同意；赞同 n. 证明；证据 transmission two contradictory theories Bad air caused the disease. Cholera was caused by an infection from germs in food or water. Read for Details (Para.2) bad air theory germ theory Read for Details (Para.2) find a problem ask a question think of a method What method did John Snow use? Read for Details (Para.3) Pair work: Observe the map and analyze it with questions. 1. What does "_"mean? How about PH? 2. Which house numbers had more than four deaths in Broad Street? 3. Which house numbers had no deaths in Broad Street? 4. Why some households (2o, 21, 8 and 9) had no death? Because these people worked in the pub at 7 Cambridge Street. They had been given free beer, and so had not drunk the water from the pump. 5. What's the similarity among the houses in Broad Street that had multiple death? Near the water pump. Read for Details (Para.3) adj. 多样的；许多的 n. 同住在一所房子里的人, 一家人, 户 v. 怀疑；猜想 vt. 归咎于 n. 柄；把手 n. 介入, 干涉 Did John Snow make his research results public the minute he found out that the polluted water might be to blame? Why not? What did he do instead? assumption find supporting evidence Read Para 2 and 3 again to complete the chart. It was believed that cholera was caused by bad ________ or germs in _______________. A air food or water Snow ______________ the places where the people who _________ had lived. B died marked on a map Many deaths occurred near the _________ in Broad Street. Some people ________ drunk the water from the pump, and lived. A woman and her daughter died in another part of London after ______________ __________________. C water pump hadn’t drinking water from the pump The pump water carried _____________. The __________ of the pump was removed. cholera germs handle Read for Details (Para.4-5) n. 联系，关系 adj. 未加工的 adj. 纯的 adj.大量的，可观的 n. 减少，减小；减少量 n. 统计数据 vt. & vi. 改变 that 引导的表语从句 定语从句，修饰先行词 water from the River Thames 定语从句，修饰先行词 the people “疑问词+不定式”结构作 know的宾语 省略了引导词 that/in which 的定语从句 20 Read Para 4 carefully and answer the questions. 1.What caused cholera's outbreak in the Broad Street? 2.How were people infected with the virus of cholera? The truth was that the water from the Broad Street pump had been infected by waste. 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 get cholera than those who drank pure or boiled water. Part 04 Post-reading Match the following headers with the letters from the chart above. Write A–E in the blanks. 1 conclusion____ 2 evidence______ 3 process______ 4 solution______ 5 theories______ D E B A C Write out the questions according to the answers. caused the cholera did Snow have the handle of the pump removed was the cholera threat defeated In groups, discuss the following questions. 1. What was the most important tool Snow used to defeat cholera? What common medical tools, e.g., a microscope, didn’t he use? Why? 2. How has John Snow’s work affected our daily lives? Part 05 Language Points severe adj.极为恶劣的;十分严重的;严厉的;艰难的 severe weather conditions 恶劣的天气情况 severe diseases 严重的疾病 suffer from severe depression 患有严重的抑郁症 face severe economic problems 面临严重的经济问题 severe poverty 极度的贫困 练习：His chest suffered _____________ (严重的伤害) in the accident. severe injuries blame v.把……归咎于；责怪；指责 blame sb. for (doing) sth. 因(做)某事责备某人 blame sth. on... 把某事归咎于…… be to blame(for sth.) (对某事)负有责任 练习： They think the blame should be placed____ the conductor. on n. 责备；指责 take/bear the blame for... 对……承担责任 put/lay/place the blame for sth. on... 把某事归咎于...... link n. 联系；纽带 a link between...(and...) (······与)······之间的联系/纽带 练习：Regular air traffic links the city___________ the rest of the country. to/with vt. 把……连接起来；相关联 link...to/with... 把······与······连接；联系 be linked to/with 与……有联系/有关 decrease n.减少;降低;减少量 a decrease in... 在······方面减少 on the decrease 在减少 练习：The charge for transportation is____________ (在减少) because of lower fuel costs. on the decrease vt& v.(使大小数量等)减少;减小;降低 decrease (from...)to... (从……)减少到......(表示减少后的量) decrease by... 减少了……(表示减少的量) decrease in... 在……方面减少 SEE YOU NEXT TIME Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 $$