unit6 Earth first Starting out&key words 教案-2022-2023学年高中英语外研版（2019）必修第二册

新外研社（19）高中英语必修二 Unit6 Earth first--Starting out&key words教案 Teaching objectives: 1. Enable students to master the words and expressions about the topic. 2. Lead students to be familiar with the topic and stimulate their known background knowledge and interests in the topic. 3. Guide students to take advantage of divergent thinking and be able to describe what cartoons show and express their ideas in English. 4. Raise students’ awareness of protecting the earth. Evaluation objectives: 1. Ask students to talk about the cartoons to find out whether students can get to know the environmental problems the earth is facing. 2. Ask students to describe the causes of environmental problems and how to deal with them to find out whether students can think divergently. 3. Ask students to do some exercises related to key words to find out whether they have mastered them. Teaching key points: 1. Enable students to understand the environmental problems the earth is facing. 2. Lead students to express their own opinions about the causes of environmental problems and how to deal with them. 3. Lead students to know the meanings of key words in the language context. Teaching difficult points: 1. Students can express their own opinions about the causes of environmental problems and how to deal with them. 2. Students can use the words in the context properly. Teaching methods: Cooperative Teaching Method, Task-based Approach, Communicative Approach Teaching procedures: Step1: Lead-in T:Hello! Boys and girls.As we all know, nowadays, the environment is facing many challenges. Can you make a list of some environmental problems? S:Smog, white pollution... T:You did a good job.Now, I’d like you to look at some cartoons about environmental problem. Look at the cartoons on Page 61 and answer the following questions. 1.What environmental problem does each cartoon refer to? 2.What are the causes of these problems? 3.What do you think is the most serious environmental problem we face today?Wha