Unit 5 Using language Evaluate chemical farming and organic farming 教案-2023-2024学年高中英语人教版（2019）选择性必修第一册

2019新人教高中英语选择性必修一Unit5 Using Language Evaluate chemical farming and organic farming公开课教案 Teaching aims: 1. Enable students to know the difference between chemical farming and organic farming. 2. Know the structure of an argumentative essay and the writing skills of an argumentative essay, such as illustrating, giving examples or making contrasts. 3. Write an argumentative essay using what they will learn in this period. Teaching key points: 1. Analyse the difference between chemical farming and organic farming. 2. Analyse the structure and the writing skills of the argumentative essay. Teaching difficult points: 1. Analyse the structure and the writing skills of the argumentative essay. 2. Write an argumentative essay using what they will learn in this period. Teaching procedures: Step Lead-in Activity 1　Making predictions (1)Look at the title of the passage and try to guess what will be talked about in the passage. (2)If you were asked to write the passage under this title,what is your structure? Suggested answers: (1)What the text will talk about will include:the definitions of both kinds of farming and the advantages and disadvantages of each. (2)My structure may be like this: Activity2 Picture guessing Here are 6 pictures.Try to find out which ones are about chemical farming and which are organic according to your background knowledge. Suggested answers: Picture 1 organic farming;Picture 2 chemical farming;Picture 3 organic farming;Picture 4 organic farming;Picture 5 organic farming;Picture 6 chemical farming. StepⅡTest our predictions Read the text quickly and silently and try to find what is the main idea of each paragraph.And then draw the map of the structure. Para.1_____________________________________________ Para.2_____________________________________________ Para.3_____________________________________________ Para.4_____________________________________________ Para.5_____________________________________________ Suggested answers: Para.1 Chemical farmin