【教学设计】Unit 1（人教）.doc

Unit 1 Great Scientists 教材分析蚌埠二中 刘书皖本单元的中心话题是“科学家如何以探索、钻研、无畏的科研精神验证未知的科学真理。” Warming up 和pre-reading激活背景知识，为进入阅读课文打好铺垫; 阅读文章介绍英国著名医生John Snow是如何通过考察、分析、探究的科学方法发现并控制“霍乱”的。通过阅读，使学生学习解决问题的一般步骤，并用于指导其他学科的学习。之后进行相关的语言学习和语法学习，对于课文语言点，采用老师引导式：课前布置学生找出重难点，课堂上通过设计各种各样的情景要求学生使用课文出现的重难点回答问题，深入理解文章中的句子。语法教学根据三维语法教学理论所提倡的：“形式+ 意义+ 运用”相结合，把语法教到实处，教到使处。写作除了强调说理能力的培养，也强调了对学生收集信息、整理信息及传递信息的能力培养，通过引入(背景)-口头讨论(收集点子)-列提纲-写作-组内交流-全班分享-课后修改-老师批改体现了自做、自助和自悟的教学思想、改进学生的学习策略。 教学目标1. Target language a. Key words and expressions：characteristic, theory, scientific, examine, conclude, conclusion, analyse, repeat, defeat, attend, expose, absorb, severe, valuable, blame, immediately, handle, addition, announce, instruct, virus, construction, contribute, positive, strict, movement, complete, enthusiastic, cautious, reject, view, put forward, in addition, link . to ., be strict with, lead to, make sense, expose to, absorb into, be to blame.b. Key sentences重点句子：1) John Snow was a famous doctor in London so expert, indeed, that he attended Queen Victoria as her personal physician. P22) But he became inspired when he thought about helping ordinary people exposed to cholera. P23) It seemed the water was to blame. P24) To prevent this from happening again, John Snow suggested that the source of all water supplies be examined. P36) Only if you put the sun there did the movements of the other planets in the sky make sense. P72. Ability goals a. Students will be familiar with some famous scientists and their contributions. b. Students are expected to get the main idea of the text.c. Students will understand the text and answer the following questions:d. Students are able to master the details about the passage, choosing the correct answer according the text and fill in the form about the passage and the diary.e. Students can learn the reading skill of getting the main idea of each paragraph/ part & each passage. 3. Learning ability goals a. Help students to discuss:How to describe people: characteristics and qualitiesWhat kind of qualities does a scientist have?b. Let the Ss know how to get the main idea of the text.d. Get the Ss to learn how to find the relative key words from the passage to choose the correct answers.d. Enable the Ss to retell the passage using the first person. 教学重难点a. Students to learn different reading skills, especially gist reading and comprehending beyond lines.b. Students have a general idea of what the scientific research is and set a positive attitude towards it. c. To learn about the past participle used as the attribute and the predicative.d. To make good use of the persuasive writing. 教学方法a. Skimming and scanningb.Elicitatingc. Individual, pair or group work to finish each task. 教具准备d. Discussion.A tape-recorder, the multimedia, a projector 教学方法与过程Step I Lead-inAsk the students to think of some great inventions and inventors in history.Step Warming upFirst, ask some questions about great scientists. Second, ask all the students to try the quiz and find out who knows the most. Step Pre-readingGet the students to discuss the questions on page 1 with their partners. Then ask the students to report their work. Encourage the students to express their different opinions. Step ReadingFast ReadingLet the students read the text quickly and complete the main idea of it.The text is mainly about _John Snow_ and how he _defeated Cholera_. Careful ReadingTo prove a new scientific idea, seven stages are needed. Read the text carefully and fill in the blanks.Stage 1Find a problemA large number of people died of cholera, but neither its 1. _ nor its 2. _ was understood.Stage 2Make a question Theory one: Cholera 3. _ in the air and floated around until it found its victims. Theory two: When people 4. _ cholera into their bodies with meals, their bodies were attacked.Stage 3Think of a methodBegan to gather information to 5. _ that the second theory was correct.Stage 4Collect resultsMarked where the dead people had lived on a(n) 6. _.Stage 5Analyse the resultsLooked into the 7. _ of the water to see if the problem was the water.Stage 6Find supporting evidenceFound supporting evidence from two other deaths: Both of them died of cholera after 8. _.Stage 7Draw a conclusion 9. _ carried the virus. All the water supplies should be 10. _.Step Post-readingAsk the students to answer several questions to consolidate their understanding. StepVI Group DiscussionWhat should you do if youre travelling to a country that has a cholera outbreak?StepVII Language points1. put forwardeg. put forward(come up with) a very good suggestionYou ought to put your watch forward ten minutes.I put myself forward (recommend myself) as the monitor.2. draw a conclusioneg. We drew a conclusion that we should give him another chance.3. attend v. (1) to be present at; go to 出席，参加He decided to attend the meeting himself.(2) to give ones attention; listen 注意，倾听(常跟to连用)Are you attending to what is being said?(3) to look after; serve 照顾，护理The doctor attended the patients.(4) pay attention to She didnt attend to what I was saying.4. expose v.to make visible 暴露New fashions are exposing more and more of the body.与to连用He exposes his skin to the sun.to reveal the guilt or wrong doing of 揭露He exposed their plot. 他揭露了他们的阴谋。The crime of the corrupt officials must be exposed without any reserve.对贪官污吏的罪行一定要毫无保留地予以揭发。5. cure v.&n.eg. The doctor cured him of the cold. There is no cure for AIDS.6. every time 连词，引导时间状语从句，后省略when；类似的还有 immediately, the moment, directly, instantly.eg. Every time I meet him, I always think of the things happened between us.Every time I meet him, I always think of the things happening between us.I will give the report to him immediately I see him.I came directly I got your message.7. suggest vt.to offer for consideration or action; propose （常与that连用）提议；提出；建议。如：I suggested that we should travel by train.(2) to make evident indirectly; intimate or imply 暗示；显出。如： It suggested that you did not catch the 8 oclock train, but you caught the 8:25 train.(3) suggest后跟从句时，如果表示建议的语气，其后要用虚拟语气。若表示暗示或表明时，不用虚拟语气。8. absorb vt. & vi.(1) to take or suck in (liquids) 吸收 absorbintoeg. A sponge absorbs water.海绵吸水。eg. The big company has gradually absorbed these small companies into its own organization. 这家大公司渐渐把这些小公司吞并了。 (2) to take in (knowledge, ideas) 专心于eg. The little girl was absorbed in reading a tale. 这个小姑娘正在全神贯注地阅读一篇故事。9. severe adj.(1) so serious; so bad （人；纪律）严厉的；严格的eg. I think you are too severe on the boy. 我认为你对那个孩子太严厉。 His severe looks frightened me. 他的严厉表情使我恐慌。(2) very harmful or painful; serious or uncomfortable （疼痛）剧烈的SARSsevere acute respiratory syndrome （严重的、急性的呼吸道综合病）eg. He has a severe pain in his leg. 他的腿痛得厉害。be severe withbe strict with 对要求严格He is severe with himself. 他严格要求自己。10. It seemed the water was to blame. 看来水是罪魁祸首。be+动词不定式，可表示该做或不该做的事情，相当于must, should, ought to等。You are not to drop litter in this park.11. linkto 把与连接；联系Fingerprints linked the suspect to the crime. 指纹证实了嫌疑犯的犯罪行为。12. handle v.& n.(1) 意为“处理”。如：I dont know how to handle the problem.At the beginning of this term, we will have many difficulties to handle.the handle of the door13. announce v.(1) to make known publicly 发表、告知、宣布The government announced its new economic policies. (2) to state in a loud voice 宣布（客人的名字、到达等）His servant announced Mr. and Mrs. White.(3) to make clearly known事情显示Warm sunshine announces the coming of spring. announcement (n.)announcer (n.)StepVIII Grammar Explain the usage of the past participles as predicative and attribute. 1. 过去分词作表语表示主语所处的状态。用作表语的过去分词大多来自及物动词；不及物动词的过去分词能作表语的只限于少数表示位置转移的动词，如go, come, assemble等，它们用在连系动词之后，表示完成意义，无被动意义。例如：The man looked quite disappointed.He is greatly discouraged by her refusal.His hair is nearly all gone.已经形容词化了的过去分词大多可作表语，常见的有accomplished, amazed, amused, astonished, broken, closed, completed, complicated, confused, crowded, devoted, disappointed, discouraged, drunk, excited, frightened, hurt, interested, lost, satisfied, surprised, worried等。2. 过去分词作定语a）用作前置定语的过去分词通常来自及物动词，带有被动意义和完成意义。例如：We like skating in the frozen lake in the winter.= We like skating in the lake which has been frozen in the winter.How many finished products have you got up to now?= How many products that have been finished have you got up to now?来自不及物动词的过去分词很少能单独用作前置定语，能作这样用的仅限以下几个词，这时仅表示完成意义，不表示被动意义。例如：a retired worker = a worker who has retiredan escaped prisoner = a prisoner who has escapeda faded / withered flower = a flower that has faded / witheredfallen leaves = leaves that have fallenthe risen sun = the sun that has just risena returned student = a student who has returnedvanished treasure = treasure that has vanishedb) 用作后置定语的过去分词通常也来自及物动词，表示被动意义和完成意义。这时过去分词相当于一个定语从句。例如：Things seen are better than things heard.= Things which are seen are better than things which are heard.The lobster broiled over charcoal was delicious.= The lobster which was broiled over charcoal was delicious.StepIX Persuasive Writing说服性信函指以信件的形式表达自己的观点或立场，并期待对方认同或接受。在写作过程中，要以合理的语气和口吻为基调，用有说服力的素材来支撑自己的观点，以说明阐述为主，以理动人，以理服人。【写作指导】我们可以通过以下三个部分来进行写作：第一部分：引入。写信人首先需要简要说明写信的主要目的。如果需要的话，也可以大致作个自我介绍。第二部分： 阐述。这是说服性信函的主体和核心部分。写信人需要在这个部分有条理地列出自己的理由。理由要力求客观、真实、有说服力，要重点突出、层次分明。同时，要注意适当提高语言的力度，发挥语言的功力，以更好地展现自己的立场。阐述部分决定了说服性信函的成败，需要写信人精心策划、布局，以达到最佳效果。第三部分： 总结。可以用生动的语言重申自己的核心观点，或以情动人、引起共鸣，或升华延伸、画龙点睛。这部分应该注意语言的简练和冲击力，切忌冗杂拖拉的表达。Task 1: Summarize the way of writing a report.Task 2: Remind the students of the writing techniques and writing features of a report.Show the following to the students. ReportFormal language with few adjectivesNo speech except quotationsNot emotional Only one main characterFactual structured according to experimental methodPast tense and passive voice【Practice】假如你是Frank。你的同学Tom因家庭经济困难准备辍学。请你根据以下要点提示，给他写封信，说服他继续上学。要点提示：1. 听到这个消息很遗憾，希望他能振作起来、积极面对生活。2. 学生最重要的是学习，这对未来的影响是深远的；每个人都会在生活中遇到挫折，现实的困难是可以克服的；可以申请贫困补助、助学贷款或勤工俭学。3. 愿意尽全力提供帮助，并期望他能继续学业。注意：1. 词数不少于100；2. 可适当增加细节，以使内容充实、行文连贯；3. 参考词汇： 贫困补助 poverty bursary； 助学贷款 student loan； 勤工俭学 take part-time jobs【常用表达】引入：I am writing to . I hope that . That is to say .As far as I am concerned .In my opinion .Personally .阐述：Here are my reasons. First of all, I think it would be better if .Second, . Third, .Moreover . Whats more .However . Instead .Here Id like to give my advice on . I would like to suggest that .If I were you, I would .总结：In short . All things considered .To sum up . In brief .Please take my advice into consideration and make a final decision. 【Sample】Dear Tom, I am sorry to hear your story, and it surprises me that you have decided to drop out of school. I am writing to tell you that you neednt do that and hope that you will cheer up and face life with confidence. Here are my reasons. First of all