译林版高中英语必修三Uint4 Extended reading 教案（名校）.docx

Unit 4 Scientists who changed the worldExtended ReadingThe Value of Science内容分析：本板块的文章改编自一篇著名科学家的公开演讲，语篇的主题是科学的价值。 作者通过自问自答，条理清楚、由浅入深地从三个层面回答了“科学价值何在” 这一问题。阐明了科学家的责任所在，也鼓励了同学们争做社会栋梁。教学目标：By the end of this section, students will be able to:1. understand the main idea of each paragraph;analyze the language and rhetorical devices used in the lecture;2. explain the value of science.教学重难点：1. To help students understand the structure of the whole passage;To help students analyze the language in a speech;2. To guide students to explain the value of science.教学过程：Step 1 Lead-in> Do you think science is good or evil?> What do you think are the value of science?Step 2 Figure out the structure of this lecture transcriptIntroduction: paras. 1-2: Introducing the topicMain body: paras. 3-6: Three values of scienceConclusion: para. 7: Duty of scientistsf Let's see the details.Main body: paras. 3-6Para.3: Scientific knowledge enables us to do and make all kinds of things.Para.4: Science can provide us with intellectual enjoyment.Para.5-6: Scientists have the freedom to doubt.Step 3 Careful readingRead paras. 1 -2 and answer the questions.1. The author talked about his personal experience in paragraph 1 and 2. Please summarize his experience.When he was younger, he thought science would make good things for everybody.During the war he doubted that some evil may be involved in science. Later hethought long about the value of science and finally tried to answer this in this talk.2. What are the functions of these two paragraphs?To introduce the topic and arouse audience's interest.Read para. 3 and answer the questions.1. How many times is the pronoun “it" used in this paragraph. What does “it” refer to in each case?5 times. The first two (line 12) refbr to “making good things- and the final three (line 14 and 16) refbr to "scientific knowledge”.2. How do you understand the sentence "scientific knowledge enables us to do and make all kinds of things.”？The essence of science is all kinds of knowledge, with which we can do all kinds of things, including good and bad. Science itself is not good or bad. Instead, what we choose to do with it can be good or bad. Just as Feynman said, "Scientific knowledge is an enabling power to do either good or badbut it does not carry instructions on how to apply it.Read para. 4 and answer the question.Fey man said, “Thanks to the scientific effort, we have been led to imagine all sorts of things more fantastic than poets and dreamers of the past ever could." Can you give some examples of those "fantastic imagined things“ that have become reality because of science?enjoy a video.Read para. 7 and answer the question.1. What are the duties of scientists? To declare the value of thu freedom to doubt. To teach how doubt is not to be feared but to be welcomed and discussed. To demand this freedom to all coming generations.Step 4 Rhetorical deviceWhat analogy is used here and whafs the function?“Never concerned that the answer may let us down, with pleasure and confidence we turn over each new stone to find unimagined strangeness leading on to more wonderful uestions and mysteries.It is an analogy. Here Feyman compares the intellectual enjoyment of finding unimagined strangeness to the process of discovering what is hidden under a stone-just as underneath stones there could be an unknown treasure, Feyman uses this analogy to emphasize the curiosity and deteimination that scientists use to uncover mysteries and answer questions.1. Feyman used parallelism several times in his lecture. Please find them out and figure out their functions. When a scientist doesn't know the answer to a problem, he is ignorant. When hv has an idea as to what the result is, he is uncertain. And when he is pretty sure of what the result is going to be, h。is still in some doubt, (line 27) Permit us to questionto doubtto not be sure, (line 35) It is our responsibility as scientists, knowing the great progress that is the fruitof 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 freedomas our duty to all coming generations, (pora. 37)The function of parallelism:Parallelism is the repetition of similar grammatical forms. It helps make an idea or argument clear and easy to remember. It also shows that each repeated structure is of equal importance. Parallelism is a powerful tool in public speaking and writing.Step 5 DiscussionFey man believes that of all science's many values, the greatest must be the freedom to doubt. How do you understand this?This belief expresses a similar meaning to this unit's opening quote "The scientist is motivated primarily by curiosity and a desire for truth." Only when scientists raise doubts can they open up the opportunity to explore the unknown, which is what leads to scientific achievements. Feynman further emphasizes this value when he says, "Permit us to questionto doubtto not bn sure." He points out that scientists must always be allowed to question and doubt things, because he knows t is the key to how science is able to progress.Step 6 Language pointsrisk v. & n. 冒生死之险v. 冒险做 un.常见短语搭配:risk v. & n. 冒生死之险v. 冒险做 un.常见短语搭配:1. it represented the destruction of people and it put our future at risk. (Lines3-5)risk one's life/ livesrisk doingrun/take the risk of sth/ doing处境危险，在危险中at risk自担风险，对发生的事情负责at one's own risk冒的危险at the risk of f practice makes perfect.2. Is there some evil involved in science? (Lines 4-5)involve sb/sth in sth/doingcause sb/sth to be part of, include in, mixed with, or deeply concerned in sth or doing s妨使参与，陷入或牵扯到不要把我卷入你们的争吵当中。Don't involve me in your quarrel.贫穷使他家陷入不幸。Poverty involved his family in misfortune.印度现在困难重重。Indian has been deeply involved in difficulty.3. Put another way,. (Line 6)换言之put (it) another wayin other wordsthat is (to say)i.e.f practice makes perfect.4. .scientific knowledge enables us to do and make all kinds of things. (Lines 10-11)en-是个前缀，加在名词、1 .表示“放进”，2 .表示“用什么包住”：3 .表示"登上”，”登入”：en-是个前缀，加在名词、4 .表示“放进”，5 .表示“用什么包住”：6 .表示"登上”，”登入”：形容词或其他动词前构成动词。encase, enthroneenrobeentrain, enplane4.表示“使，使成为，使处于什么境地 endanger, enable, enlarge, enrich, ensure encourage enlighten enforce5. . it is not only to the credit of science.(Line 12)Have students guess the meanings of “credit”credit card 信用卡They are working hard for the credit of China.荣誉You must pass the examination to get credit for the course.学分I give them full credit for their work.赞扬He is very awkward about give us further credit.贷款No credit is given at this shop,赊欠/赊账At the time, we used to credit everything to one person. 归功于I can credit all that you are telling me.相信I want to credit this to my account.i己在账上6.上ut it doesn't carry instructions on how to apply it.(Line 14) apply vt.适用，涂vi. 申请 apply for sth to sb apply to do sthn. applicationStep 7 Sentence StructuresWith more knowledge comes a deeper, more wonderful mystery, inspiring one to look deeper still. (lines 19-20)QI：这个句子是一个把介词短语置于句首的倒装句，那么它的正常语序应该是什 么样子？Q2:请把inspiring one to look deeper still改写成一个完整的定语从句。A deeper, more wonderful mystery comes with more knowlege, which inspires one to look deeper still.1. Never concerned that the answer may let us down, with pleasure and confidence we turn over each new stone to find unimagined strangeness leading on to more wonderful questions and mysteries. (lines20-22)QI： never concerned和leading on to两个非谓语短语中的逻辑主语是谁？Q2:请翻译整个句子。译文：我们从不担心答案会令人失望，带着愉悦和信心，我们翻开每一块新的石头去 发现意想不到的奇妙，它们指向更多精妙的问题与奥秘。2. We scientists take it for granted that it is perfectly possible to live and not know. But our freedom to doubt was born out of a deep and strong struggle against authority in the early days of science. (lines30-33)QI：句中两个it分别起什么作用？Q2:请用“take it for granted that” 创造一个句子。Q3：请翻译整个句子。译文： 如今，我们科学家理所当然地认为，生而有所不知是完全有可能的。但是我们有 怀疑的自由，脱胎于早年间科学为对抗权威展开的深刻而强硬的斗争。教学反思