Unit 4 Extended reading ppt课件-（2020）新牛津译林版高中英语必修第三册.rar

Unit 4Unit 4To understand the main idea of each paragraphTo explain the value of science To learn to write a summary of the lectureTo learn to understand long sentences in the passage To learn to use the key words and expressions properly The scientist is motivated primarily by curiosity and a desire for truth.Who are these scientists? What are the scientific value of their achievements? Tu YouyouDiscovery of a medicine against malariaYuan LongpingFather of hybrid riceMarie CurieDiscovery of RadiumSteven HawkingEnglish physicistA Brief History of TimeNow were going to Now were going to Now were going to Now were going to understand understand understand understand the the the the value of science in a scientists eyes.value of science in a scientists eyes.value of science in a scientists eyes.value of science in a scientists eyes.Affiliation at the time of the award: California Institute of Technology (Caltech), Pasadena, CA, USAPrize motivation: for their fundamental work in quantum electrodynamics, with deep-ploughing consequences for the physics of elementary particles.Richard Phillips Feynmanwon the Nobel Prize in Physics 1965Born: 11 May 1918, New York, USADied: 15 February 1988,Lets read and find out how the writer explains his ideas. Read the lecture transcript and finish the mind map.Part 1 (paras. 1 & 2)Introducing the topic When Richard Feynman was younger, _. After he worked on the atomic bomb during the war he realized that the result of science _ _. he thought science would make good things for everybodyof people and it put our future at riskrepresented the destruction Part 2 (paras. 3-6)Three values of scienceScientific knowledge enables us to do and make all kinds of things.Science can provide us with intellectual enjoyment.Scientists have the freedom to doubt.Part 3 (para. 7)Duty of scientiststo demand this freedom as our duty to all coming generations _ _ _to declare the value of this freedomto teach how doubt is not to be feared but to be welcomed and discussedParaLecture structureChecking for understanding questionsKey informationPara. 1Raise the questionWhy did he ask such a question? Para. 2What was his attitude to the question? Para. 3_What is the first value? Para. 4What is the second value? Para. 5What is the third value? Para. 6Para. 7Emphasize _What are the responsibilities?Answer the questionresponsibility AWrite a summary of the lecture transcript. Use the following ideas to help you. His personal experience His ideas on the value of scienceHow to write a summaryWe analyze the structure of the passage and find out the ways that the writer shows his/her ideas. Tick out the main points to make up your summary with concise words.Possible answer:When Richard Feynman was young, he thought the only use for science was to make good things for people. However, after he worked on the atomic bomb, he realized that science could also be used for evil. He wondered what the value of science really was and he decided on three values. The first value is that scientific knowledge enables us to do and make all kinds of things. The second is the intellectual enjoyment it can provide us with. And the third value is scientistsfreedom to doubt.Analyse the language of the lectureAnalyse the language of the lectureParas. 1 & 2 Find out words or phrases negative in meaning.Para. 3 What do these “it” refer to?making good thingsscientific knowledgePara. 4 Find out words or phrases positive in meaning. Para. 56 In what way did Richard talk about the third value of science?It is our responsibility as scientists, knowing the great progress that is the fruit of freedom of thought, to declare the value of this freedom; to teach how doubt is not to be feared but to be welcomed and discussed; and to demand this freedom as our duty to all coming generations.Para. 7 What rhetorical device is used in the last paragraph? What effect does it have?The parallel structure is applied here with the use of three to-infinitives. It has a powerful effect to make the audience aware of the significance of the freedom of thought and the value of doubt.Tell the class which sentence impresses you most. Why? Feynman believes that of all sciences many values, the greatest must be the freedom to doubt. How do you understand this?Another saying goes: Doubt is the key to knowledge. We shouldnt take anything for granted. With doubt and curiosity, we keep a fresh mind to our surroundings.BThink of the writers opinions and write down what you have learn from the writer.