上UnitReading公开课
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Unit1 Reading (II) 公开课教案湖南省株洲市九方中学宋洁I. Learning objectivesBy the end of the lesson, students will be able to:1. understand the usage of the following words and expressions: a huge sea of, alive with, play a significant role in, including, variety, while, a number of, survive, in turn, impact;2. use the above words and expressions in new situations;3. understand the negative prefixes un-, dis-, in-/im-/il-/ir-, non-;4. present figures by making comparisons with familiar places or objects.II. Key competence focus1. Understand some new words and expressions.2. Use the new words and expressions in new situations.III. Predicted area of difficultyUse the new words and expressions in new situations properly and correctly.IV. Teaching proceduresStep 1 Lead-inT asks Ss to review the documentary script by completing a summary. T shows Ss the structure and some keywords to help them summarize the text.T: Hello, everyone! In the first period of this unit, we’ve learned a documentary script about the Amazon rainforest. Today we’ll review the text, appreciate the language in it, discuss how to use some of the words and phrases, and practise using them in new situations.T: Would you please summarize the text according to the following keywords?• Size: the largest rainforest in the world; an area of around 6 million square kilometres• Plant species: more than 40,000; different levels• Species of birds and mammals: more than 1,300 species of birds and over 400 species of mammals; jaguars and the food chain• Values: fixes carbon and produces over 20% of all the Earth’s oxygen; a treasure house of species• Threats: 17% of the rainforest lost due to human activities【设计意图:回归课本,教师给出语言支架,要求学生概括文章内容,帮助学生回忆前一日所学文章内容;培养学生的语言概括能力,为概要写作打下基础。