高中英语Unit5UsingLanguage课件新人教版选修6

选择性必修一Unit 5 Using Language【Teaching Objectives:】1.To educate students about the differences between chemical and organic farming methods.2.To enable students to understand the environmental and health implications of chemical farming.3.To promote critical thinking and discussion about sustainable agricultural practices.【Teaching Key and Difficult Points:】1.Explaining the advantages and disadvantages of chemical farming.2.Discussing the principles and benefits of organic farming.Teaching Procedures:Step 1: PrereadingBegin the class by asking students what they know about farming methods and if they've heard about chemical and organic farming. Encourage a brief discussion to assess their prior knowledge.Step 2: While readingActivity 1. Ask students to read this article carefully and identify key points about chemical and organic farming. Afterward, facilitate a class discussion with the following questions:1.What are chemical pesticides and artificial fertilizers?2.How have they been used in farming, and what were the initial benefits?3.What are the potential harms associated with their longterm use?4.What is organic farming, and how does it differ from chemical farming?Activity 2. Divide the class into small groups and assign each group either "Chemical Farming" or "Organic Farming." Have each group list the pros and cons of their assigned farming method. Encourage them to think critically about the environmental and health impacts.Activity 3. Organize a class debate where students from the "Chemical Farming" group and the "Organic Farming" group present their findings. Encourage them to use evidence from the article and their group activity to support their arguments.Step 3: PostreadingAsk students to reflect on the debate and consider the challenges of finding a balance between providing enough food and maintaining environmental and human health. Conclude the lesson by emphasizing the importance of sustainable farming practices.Homework Assignment:Assign students to research and write a short essay on their chosen farming method (chemical or organic) based on the information from the class and additional research. They should include their own thoughts on the topic.。