人教版必修4Unit2 Working the land 第二篇课文学案.docVIP

Unit2 Working the land 第二篇课文学案 课 题: Unit2 Working the land (英语④) 学习目标: Learn the text on Page14 (学习课本14页课文) 学习重点: The understanding and the language points in the text. (课文内容的理解及其课文中相关知识点的掌握) 课前准备： 阅读课文内容并完成下面Step2中关于课文理解的习题。 Teaching steps： Step1 Have a check about the last period.（检查上节课内容 ） Step2 Reading 阅读课本14页课文，并完成下面问题 Part I : Read the text paragraph by paragraph and answer the following: Paragraph.1 (1)What is organic farming _______________________________________________________________________ Paragraph.2 (2) What are the advantages of using natural fertilizer ______________________________________________________________________ _______________________________________________________________________ (3) What are the disadvantages of using chemical fertilizers ______________________________________________________________________ _______________________________________________________________________ Paragraph. 3 (4) How many ways do organic farmers use to keep the soil fertile (rich) and what are they ? _______________________________________________________________________ ______________________________________________________________________ Part II: Summing up the main idea of each paragraph Para 1__________________________________________________________________ Para 2__________________________________________________________________ Para 3__________________________________________________________________ Step3 : Learning the language points 1. chemical or organic farming 化学耕作还是有机耕作 2. Over the past half century, using chemical fertilizers has become very common in farming. 经历过去的半个世纪，在耕作中使用化肥已经很普遍。 (1)over the past half century 经历过去的半个世纪 (2)using chemical fertilizers 动词的ing形式（动名词）作主语，谓语动词用单数 (3)chemical fertilizers （化学肥料）化肥 (4)common 普通的，常见的usual惯常的，符合惯例的 (5)in farming.在耕作中 3. a great way to stop crop disease and increase production（作定语） 一种防治农作物病虫害和提高产量的重要办法 increase production/ output / harvest提高,增加产量