1、 2018 学年度人教版必修 4 Unit 2 Working the land Period5Using language 教案设计班级 教师 时间课题 人教版必修 4 Unit 2 Working the land Using language 教学目标技能目标 Skill GoalsAbility goals 能力目标Enable Ss to master the main idea of the text and know the ways of organizing articles.重点 a. 重点词语 mineral, reduce, organic, supply, level
2、, whatever, bacteria, refer to, year after year难点 b. 重点句型 It also refers to crops growing with natural rather than chemical fertilizers. P13Putting this in their fields, they argue, makes the soil .P13This is important because developing a healthy soil reduces diseases .P13However, using chemical fe
3、rtilizers is a big problem.教具 Computer-slide sheets-papers教学过程课堂导入Lead-inTeaching procedures:Step 1 Leading-inIntroduce the organic farming method and process.Step 2 Step fast reading Scanning: Find out the main idea of each paragraph.教学步骤教学步骤Step 2 Careful reading There are three tasks in this step
4、. First, teacher can ask students to read the articles one paragraph by one paragraph. Ask them some questions about these passages. There are three paragraphs in the article. In each passage, there are one or two questions. When students finish these questions, they will find that the structure of
5、the text has turned up.1. What is the organic farming?2. What is the advantage of using natural fertilizer?3. What is the disadvantage of using chemical fertilizers?4. Whats the main idea of paragraph 3?5. Why do farmers grow their crops in such ways?Give students some time to retell the text by the
6、mselves. If time permits, teacher can ask some of them to read out his or her passage.Step 3 Consolidation T: Now, please look at the screen again. There are some sentences in it. These sentences are all from our text. Please translate them and pay attention to the boldfaced parts of each sentence. You may discuss to make sure what part of speeches they are used as.作业布置homework Doing exercise on Students workbook 教学思考 本堂课重难点是让同学们通过快速阅读，精读来了解课文，抓住课文的中心意思，并通过对人物的了解学习化学肥料对土地和人体的伤害， 有机种植和化学肥料种植的区别。
