2019-2020年人教版高中英語(yǔ)必修5 Unit1 第1課時(shí) Great Scientists 教案2.doc
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2019-2020年人教版高中英語(yǔ)必修5 Unit1 第1課時(shí) Great Scientists 教案2The general analysis of this periodThis period focuses on the reading passage, which is about John Snow and King Cholera. First, teacher can have a petition about information about some scientists mentioned in Warming Up. Then the teacher can make full use of the questions in Pre-reading. This part is to make for preparing for understanding the passage. To develop students different reading skills, the teacher can design different reading tasks, such as answering questions and filling the form, etc. Then teacher can ask students to retell the passage as homework.Three Dimensional Teaching AimsKnowledge Aims: a.Have a good understanding of the text through exercises.b.Key words expressions: a. attend, expose, cure, control, absorb, severe, valuable, pump, pub, blame, handle, link, in addition, announce.b. exposeto, test, defeat, reject, examine, apart from, contribute to, make a conclusion.Ability Aims: a.Grasp some reading skills. b. Develop the ability to describe some great people.Emotional Aims: a.Arouse students interest in science. b. Encourage students to study hard to devote to science.Teaching Important Points:a.Have a good understanding of the text by doing exercises.b.Develop students different reading skills, especially gist reading and understanding beyond lines.Teaching Difficult Pointsa.Know the meaning between lines and beyond lines.b.Learn different reading skills.Teaching AidsMulti-media classroom and other normal teaching tools.Teaching ProcedureStep 1 Greeting Greet students as usual.Step 2 Warming up 1. (Pair work) what five most important qualities do you think a scientist should have? Give reasons.clever/talented strict patient creative confident brave determined/strong-willed positive honest energetic intelligent/hard-working ambitious careful co-operative 2. (Group work) Ex2, p1Do you know how to prove a new idea in scientific research? Discuss in groups the stages in examining a new scientific idea. What order would you put them in?Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyze the results Repeat if necessaryStep 3 pre-reading1. Invite 2-3 Ss to introduce the scientists they admire most to the class 2. Background introduction to John SnowJohn Snow (1813-1858) was born and worked as a doctor in Great Britain. He was originally an anesthetist(麻醉師).He was so famous that he became the doctor for Queen Victoria at the births of her many children.Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, the most terrible outbreak of cholera which ever occurred in the kingdom began. It was so violent and sudden that 127 people died in the first three days.3. Give information of the deadly disease cholera1) What infectious diseases do you know? (AIDS, SARS,H5N1,pig-borne disease 豬鏈球菌)2) What kind of disease is it ? Name of choleraSymptom(癥狀)severe vomit (嘔吐) and diarrhoea (腹瀉)Aftereffectdie quickly from a loss of liquid4. Make up a question1)What was the cause of this disease? How did John Snow find it out?2)Get Ss to imagine and describe How John Snow defeat cholera by making use of the key words.Cholera, outbreak, severe, deadly, infectious, examine, expose, analyze, control, cure, defeat 5. New WordsWork in pairs and match the words with their definitions.A. attendB. controlC. handleD. blameE. absorbF. announceG. immediatelyH. be linked toI. in additionG. expose1. have control, authority, power over2. part of a tool, bucket, etc. by which it may be held in the hand3. take or suck in 4. at once or without delay5. uncover, leave uncovered or unprotected6. as well, besides7. be joined with, be connected with8. wait on, serve, look after9. fix on sb, the responsibility for sth done or not done10. make knownSuggested answer:B-1 C-2 E-3 G-4 j-5 I-6 H-7 A-8 D-9 F-10Step 4 Reading1. Fast reading : ScanningScan the passage and find out what are mentioned in the passage.1) John Snows wish2) John Snows attending Queen Victoria3) Two theories explaining the cause of Cholera4) John Snows examination of the source of the water5) Evidence for the cause of Cholera6) The source of all water supplies7) The spread of Cholera by germs in polluted waterSuggested answer: 1), 3),4), 5),7)2. Second reading : SkimmingRead the text quickly and find out the main idea of each paragraphPara 1: the problem Para 2: the cause-two theories Para 3: the method Para 4: the discovery Para 5: the result and conclusion Para 6: the suggestion3. Careful reading: Read the text carefully and answer the following questions.1) What problem existed in London at his time?2) How did Cholera killed people?3) How did he prove the second theory was correct?4) What was the result after he looked into the cause of Cholera?5) Which idea was right? Why?6) What conclusion did he draw?Step 5 Discussion(Group work) Discuss how John Snow investigates cholera. Put the stages in examing the disease in the right order. Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyze the results Repeat if necessaryStep 6 ConsolidationFill in the blanks using the new words in this unit1) Mrs. White bought a pan with a long _. (handle)2) The pollution is so _ that we have to take some measures to stop it. (severe)3) He has a big nose that is a _ of his family. (characteristic)4) Water and salt are _ into our blood stream every day. (absorbed)5) If a doctor or a medical treatment _ someones illness, they make the person well again. (cure)Step 7 Homework 1. Finish P4, Ex 1,2(on SB) Ex3 make sentences on exercise book (make ones way to, make up ones mind, make sure, make room for) 2. 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