人教版-必修五-Unit-1-Great-Scientists-Reading-公开课-教案.doc

Unit 1 Great scientists Teaching aims: 1. Learn some new words and expressions:Words: attend, cure, expert, handle，Phrases: be linked to, be exposed to , be absorbed into, be to blame (for sth)2. To examine a new scientific idea. 3. Train the students reading ability Main points: words and phrases Difficult points: scientific researchTeaching procedures: Step 1. Warming up 1. Greeting the students2. Show the Ss pictures of great scientistsStep 2. Pre-reading 1. Read the pictures and title of the book and make a prediction about the content of the text.2. Do the exercises on the answer sheet and let Ss analyze the words and finish Part IIStep 3 fast reading. 1. Ask the Ss to put them in order and get their answers.2. Choose the right answer to the content of the text.Step 4. Reading passage 1. Careful Reading1) Para.1 Find a problem. What is the problem?John Snow was an doctor in London who Queen Victoria as her personal . He thought about helping ordinary people to cholera. Though the cause and the of it were unknown, he wanted to face the and solve the problem. What caused cholera?2) Para.2 Make a question: Two theories(ideas): 1. Cholera multiplied in the air. 2. People absorbed it into their bodies with their meals3) Para.3 Think of a method 1. What happened in 1854?2. How many people died in 10 days?3. What did John Snow do at that time?4) Para.4 Collect results Ask students find out the reasons according to the map.Which house has the largest number of deaths in this map?A. No. 12 B. No.2 C. No.38 D. No. 29 5) Para.5 Analyse the results 1.What happened to the pump water?2. What did the people do？6) Para.6 Find supporting evidenceWhat s the extra evidence?7) Para.7 draw a conclusion The polluted water caused cholera.To prevent cholera from spreading again, what did John Snow do? Suggested that the source of all water supplies be examined. Instructed the water companies not to expose people to the polluted water any more.Step 5 Revision and summary1. review “How did John Snow defeat King Cholera” Let students revise the procedure of the research.1. Summarize the passage. John Snowa doctor，_ Queen Victory as her personal _.But he was willing to help ordinary people _ cholera.Many people died _ there was an _ .He wanted to face the _ and solve the problem.Two theories caught her attention.The first suggested that cholera multiplied in the air.The second suggested that people _ this disease into their bodies and the disease _ the body.John Snow _ the second was right but he needed evidence.When another outbreak hit London in 1854，he was ready to begin his ._ and tried to get information.He found that most of the deaths were near a water _ and the spread of the disease was _ water.With the evidence，he was able to _ that polluted water carried the virus.After that，he suggested the source of all the water supplies _.Finally “King Cholera”was _.Step 6 Write a report:1. The question is whether too much homework is good for us.2. Use the steps to get your conclusion.Step 7. Homework1. Make sentences with the following words and phrases: challenge; announce; instruct; attend; be exposed to; o; be to blame2. Do exercise 1, 2 and 3 on page.Blackboard Design: Title New word English meaningPut forward come up withScientific science scientistSerere badBe linked to be connected with Vocabulary.I. words and meaning1. cure (para.1) a medical treatment2. victim (para.2) a person who were injured or killed as the result of a disease, etc:3. suspect (para.3) to have an idea that sth is probably true 4. enquiry (para.3) the act of asking questions or collecting information about sb/sth5. pump (para.4) a machine that is used to force liq uid, gas or air into or out of sth6. foresee (para.4) to predict; to know about sth before it happens7. announce (para.6) to make (sth) known publicly8. instruct (para.7) give orders or directions to sbII. Circle the answer that best matches the meaning of each bold word or phrase.9. expert: John Snow was a famous doctor in London so expert, indeed, that he attended Queen Victoria as her personal physician. (para.1) A. a person with special knowledge, skill or training in a particular field B. done with, having great knowledge or skill10. attend: John Snow was a famous doctor in London so expert, indeed, that he attended Queen Victoria as her personal physician. (para.1) A. be present at B. take care of (sb); look after11. (be )exposed to: He thought about helping ordinary people exposed to cholera.(para.1) A. to leave sb/sth/oneself uncovered or unprotected B. to tell the true facts about a person or a situation12. cure : Neither its cause nor its cure was understood.(para.1) Ato make sb healthy again Ba medicine or medical treatment13. absorb into/ in: People absorbed it into their bodies with their meals. (para.2) A. to interest sb very much so that they pay no attention to anything else B. to take (sth) in; suck up14. be to blame (for sth): It seemed that the water was to blame for cholera.(para.4) A. to be responsible for sth bad B. to think or say that sb/sth is responsible for sth bad15. handle :Remove the handle from the water pump so that it could not be used. (para.5) A. part of a tool B. to deal with, manage or controlIII SummaryJohn Snowa doctor，1._ Queen Victory as her personal 2._.But he was willing to help ordinary people 3._ cholera. Many people died 4._ there was an 5._ .He wanted to face the 6._ and solve the problem. Two theories caught