Great scientistsUnit 1 Read the new words and phrases on P91New words readingWarming upknow about 了解有关了解有关.的情况的情况know of 听说过听说过有些事我想了解一下有些事我想了解一下. There is something I want to know about .我听说过那件事我听说过那件事, 但不很清楚但不很清楚.I know of it , but I didnt know it well.1.词汇袋袋库词汇袋袋库2. characteristic adj. 独特的，特有的独特的，特有的 n特征，特性特征，特性 eg. genetic characteristics 遗传特征遗传特征vcharacter n性格；特征；人物，角色；性格；特征；人物，角色；vcharacterize v是是的特征；描述的特征；描述的特征的特征vcharacterless adj.无特色的；平凡的无特色的；平凡的 3. put forward: bring up, come up with eg: vHe put forward some useful advice at the meeting. vWe put forward Tom as monitor. 推荐推荐vThe meeting has been put forward to 2:00 pm. 提前提前提出提出vAn interesting suggestion for measuring the atmosphere around Mars has been _. Aput forwardBput down C. put up D. put aside 【解析解析】 有人提出一个有趣的建议有人提出一个有趣的建议 【答案答案】 A考题练练看考题练练看vput aside _vput away _vput off _vput on _vput down _vput out _vput up _vput up with _ 储蓄储蓄备用备用把把收拾起来收拾起来 推迟推迟 穿上，戴上；上演，演出穿上，戴上；上演，演出 举起；粘贴；建立，建设举起；粘贴；建立，建设 忍受忍受 放下放下扑灭扑灭(火火)vConsidering your salary，you should be able to _ at least twenty dollars a week. Aput forward Bput up Cput out Dput asidev【解析】句意为“就你的工资而言，每周你应至少存20美元”。put forward提出；put up张贴；put out扑灭；put aside储存。v【答案】D考题练练看考题练练看 When we talk about great scientists, who will come into your mind?BrainstormingFather of hybrid riceYuan Longping“The weak one sits and waits the opportunity; The powerhouse makes the opportunity. ”弱者坐待时机；强者制造时机。弱者坐待时机；强者制造时机。 She got two Nobel Prizes, one for physics and the other for chemistry.Madame Curie 居里夫人居里夫人“If I have seen further, it is by standing on the shoulders of gaints.”Isaac Newton艾萨克艾萨克牛顿牛顿“Genius is one percent inspiration and ninety-nine percent perspiration.” Thomas Edison 托马斯托马斯爱迪生爱迪生Match the scientists with their achievementsAlbert Einstein 1. evolution(进化论进化论)Charles Darwin 2. discovery of radiumMadame Curie 3. electric bulbThomas Edison 4. theory of relativityNicolaus Copernicus 5. a brief history of timeStephen Hawking 6. the earth moves around Yuan Longping the sun 7. father of hybrid ricePrevious knowledgeArchimedes 阿基米德阿基米德1. Which scientist discovered that objects in water are lifted up by a force that help them float? Lets do a quiz about some scientistsa Greek mathematician mmtn mmtn“Give me a place to stand on, and I will move the earth” 2. Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin 达尔文达尔文 Lets do a quiz about some scientistsThe Origin of Species3. Who invented the first steam engine? Thomas Newcomen 纽科门纽科门 Lets do a quiz about some scientistsWatt瓦特瓦特Thomas Edison托马斯托马斯 爱迪生爱迪生4. Who used peas to show how physical characteristics are passed from parents to their children?GregorGregor Mendel Mendel门道尔门道尔门道尔门道尔 Lets do a quiz about some scientistsIsaac NewtonIsaac Newton 牛顿牛顿牛顿牛顿Madame Curie 居里夫人居里夫人5. Who discovered radium in 1898? She received two Nobel Prizes, one for physics and one for chemistry.Madame Curie 居里夫人居里夫人 Lets do a quiz about some scientists 6. Who invented the way of giving electricity to everybody in large cities?Thomas Edison 爱迪生爱迪生 Lets do a quiz about some scientists 7. Who was the painter that studied dead bodies in order to improve his paintings of people? Lets do a quiz about some scientistsLeonardo da Vinci达芬奇达芬奇8. Who invented a lamp to keep miners safe underground in 1815? Lets do a quiz about some scientistsSir Humphry Davy 大卫大卫汉弗莱汉弗莱Thomas EdisonThomas Edison 爱迪生爱迪生爱迪生爱迪生Watt瓦特瓦特9. Who invented the first seismograph to indicate in the direction of an earthquake?Zhang Heng Lets do a quiz about some scientistsSeismograph saizmr:f10. Who put forward a theory about black holes?Stephen Hawking 霍金霍金 Lets do a quiz about some scientistswise/smart/clever lazy friendly cruelhard-working warm-hearted meandevoted easy-going generousmodest selfless nice handsomedetermined brave famous calm enthusiastic lovely honest reliableunkind selfish stubborn What qualities do you think they have in common?ReadingTHINKWORK FINDHow do the scientists usually do scientific research?Find a problemMake a questionThink of a methodCollect results Analyse the resultsFind supporting evidenceDraw a conclusionSOLVEWhat infectious diseases do you know?Infectious diseases can be spread to other people. They have an unknown cause and need public healthcare to solve them. It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.What do you know about cholera?Do you know this person?vA well-known doctor in the 19th century in London. vA legendary figure in epidemiologyep,di:mi:ldi:(流行流行病学病学) and anesthesiology (麻醉学麻醉学) nis,izildiJohn Snow ( 1813 1858)Number these events in the order that they happened.v John Snow began to test two theories.v An outbreak of cholera hit London in 1854.v John Snow marked the deaths on a map.v He announced that the water carried the disease.v John Snow investigated two streets where the outbreak was very severe.v King Cholera was defeated.v He found that most of the deaths were near a water pump.v He had the handle removed from the water pump.21473856Fast readingParagraphStagesGeneral ideas1Find a problem The _ of cholera causesCareful reading1.Use the seven stages in setting out a new scientific idea to describe each paragraph.2Theory two: When people _ cholera into their bodies with meals, their bodies were attacked and soon they died.Theory one: Cholera _ in the air and dangerous gas floated around until it found its victims.Make up a question multipliedabsorbed3Think of a method To _ that the second theory was correct.suspect45Collect results Some information was _ on a map. It seems that water was to _ .Analyse results _ the source of the water to see if it is the cause of the illness. markedLook intoblame66-7Find supporting evidence Extra _ was found from two deaths that were _ Broad Street outbreak.Draw a conclusion _ water spread cholera. “King Cholera” was _ .evidencelinked todefeatedPolluted2. Why was cholera called “King Cholera” in the text?A. Because cholera caused some deaths.B. Because it got its name from Queen Victoria.C. Because cholera was the most deadly disease of its day.D. Because it was defeated with the help of the king.3. Whats the main idea of the passage?A. John Snow was a well-known doctor in London.B. The cause of Cholera was polluted water.C. The source of all drinking water should be examined.D. How John Snow collected, analyzed data and found the cause of the disease and solved it .Careful readingvJohn Snow was a well-known _in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was _.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealingdefeated复习总动员复习总动员1. John Snow believed Idea 2 was right. How did he finally prove it? He found an outbreak that was clearly related to cholera. He collected, analyzed the data and found the cause of the disease and solved it .Group Discussion2. Do you think John Snow would have solved this problem without the map?No. I dont think so. The map helped John Snow organize his ideas. Yes, I think he would. But he would spend more time in testing the two theories and it would be more difficult for him to look into the cause of cholera.3. Cholera is a 19th century disease. What disease do you think is similar to cholera today? Two diseases, which are similar today, are SARS and AIDS because they are both serious, have an unknown cause and need public health care to solve them.vRead the text carefully. vRetell the passage with your own wordsvRemember the new words and phrasesHomework3. How serious was the disease outbreak in London? The cholera outbreak was so severe that more than 500 people had died in 10 days.Many of the deaths were near the water pump in Broad Street.4. Where were many of the deaths in Broad Street?5. What did Dr. Snow think was responsible for the disease?It seemed the water was to blame.He told the people to remove the handle from the water pump so it could not be used.6. What did Dr. Snow advised the people in Broad Street to do?7. What conclusion did Dr. Snow tell the public? He announced that polluted water carried the disease.8. What did Dr. Snow tell the water companies?They were instructed not to expose people to polluted water anymore.