牛津泽林版高中英语选修七-Unit2Reading_教案1

Unit2 Reading Teaching Aims 1．Encourage the Ss to grasp the main topics of the article. 2．Arouse the Ss’ interest in learning English by talking about their own opinions. Teaching Important Points Develop the students’ reading ability---how to guess the meanings of new words. Teaching Difficult Points 1．Find the main points and express them. 2．Understand the text. Teaching Procedures Step1 Greeting and revision Ask some Ss to name the treatments learnt in the last period. What other treatments do you know? Can you name them? Step2 Lead-in People may take medicines when they are ill. However, if they don’t take the right medicine in the right way, they may not get better and even get worse. Have you ever got a fever? And what medicine do you often take when you get a high fever? T: Yes, they are two important medicines which can reduce fever. What else do you know about these two medicines? Eg: How were they invented? Step3 Fast reading Ask Ss to scan the passage to answer the following questions: When was one of the medicines first sold as a tablet? What did Fleming, Florey and Chain share? Step4 Careful reading 1．Read the passage again and try to answer the questions in part C. 2．Ask the Ss to find out the development of the two medicines. Development of Aspirin: In 1900: sold in shops as a tablet In 1950: as the best-selling painkiller recorded in the Guinness Book In 1971: proved to be a blood-thinning medicine In 1977: used to prevent a stroke In 2003: used to reduce blood sugar levels Development of Penicillin: In 1928: discovered by Alexander Fleming World War II: found new chemical techniques to purify it In 1945: all the scientists shared the Nobel Prize 3．Look for the effects of the two medicines. Effects of aspirin: Reduce fever Help stop body pains Reduce the risk of heart attacks Prevent a stroke Reduce the risk of colon cancer Help with diabetes Increase the length of people’s lives Effects of penicillin: Help in treating wounds and infections Treat other illnesses including pneumonia Step5 Reading strategy How can we understand medical terms? Words coming from the same stem: Words that are compound words: Words with irregular plural forms: Step 6 Discussion 1．What do you think the world would be like if there were no medicines? 2．Do you believe that ‘wonder drugs’ will be invented to treat diseases like AIDS in the future? 3．Do you believe that someday people will invent some pills to keep us energetic all day? Step7 Homework Ask Ss to find out some difficult sentences and important words in the passage. Thoughts on Design 本节课是一节阅读课，阅读课教学应当遵循循序渐进的规律教学，首先进行与话题相关的 预热过程，其次进行精泛阅读教学结合，训练学生快速有效地寻找信息的能力，在阅读过程中 穿插听力，训练学生捕捉细节的听力能力，在了解大意的基础上设置问题进行拓展性训练，培 养学生思考问题的能力。本篇是一篇介绍药物的文章，大量出现了与药物有关的词汇，因此需 要向学生介绍快速了解药物词汇的阅读技巧，帮助学生在此类文章阅读方面扫清障碍。最后， 通过短文关键词填空的形式进行复习巩固。 Teaching Aims 1．Gain the gist through first and second reading. 2．Practice students’ listening ability. Teaching Important Points Improve students’ thinking ability through discussion. Teaching Difficult Points Understand some medical terms. Teaching Procedures Step 1 Lead-in 1．Fill in the blanks A good _________ tastes bitter. Laugh is the best ____ in the world. There is no ______ against death. 2．Questions What medicines have you ever taken? And what do you know about them? How much do you know about the two medicines? Who invented the two medicines? What illnesses can the two medicines be used to treat? Step 2 First reading When was aspirin first sold as a tablet? What did Fleming, Florey and Chain share? Step 3 Listening Listen to the article and try to answer the questions in C1. Step 4 Second reading Development of aspirin: Development of Penicillin: Effects of aspirin: Effects of penicillin: Step 5 Discussion Do you believe that “wonder drugs” will be invented to treat diseases like AIDS in the future? Step 6 Reading strategy How can we understand medical terms? Words coming from the same stem: Words that are compound words: Words with irregular plural forms: Step7 Consolidation Fill in the blanks with proper words according to the reading material. Step8 Homework Review the whole article, underline the phrases and words you don’t know.