Unit 2Healthy eatingPeriod 4Using language: Listening and speaking整体设计教材分析This is the fourth teaching period of this unit. As usual, the teacher will first get students to review what they learned in the last period, and then lead in the new lesson.We will mainly deal with listening and speaking in this period. At the beginning, students listen to a dialogue between Wang Peng and an expert. Make sure students go through the exercises before they listen to the tape. This is to sharpen their attention and listen for the answers. This will also help them get the gist of the listening text. The teaching procedures may be as follows: First, let students go through the exercises and guess the listening text may be about. Play the tape for students to listen to and decide whether their guessing is right. Second, ask them to listen again for them to do Exercise 3. Third, let them listen a third time to check their answers. While they are listening, the teacher should pause and repeat the key sentences to help students understand. After listening, let them work in pairs and finish Exercise 4. When checking the answers, explain some difficult listening points if necessary. In the end, show them the listening text and let them read and retell it. This step can help students understand and grasp the listening material far further. Perhaps some students will find it hard to listen to and understand listening materials. Encourage them not to give up. The more they listen to English, the easier it becomes.As we know, young people can show that they are not eating a balanced diet in a number of waysby being too thin, too fat or sick. So the exercise Talking is to encourage students to discuss how their diets may affect their quality of life. It gives them the opportunity to practice a dialogue using the functional items for seeing the doctor, suggestions and advice. So they should learn some expressions of seeing the doctor, suggestions and advice first. Then they are required to create such a dialogue. During the course, encourage them to use vocabulary from the reading and listening passages.This period places emphasis on developing students listening and speaking ability. We should try our best to encourage students to say something. Dont always correct the mistakes they have made while they are speaking. Otherwise, they would feel reluctant and not say anything more.教学重点1. Develop students listening and speaking abilities.2. Enable students to master different listening skills.3. Let students learn the expressions of seeing a doctor, suggestions and advice.教学难点1. Get students to listen and understand the listening materials.2. Let students make a dialogue using the functional items for seeing the doctor, suggestions and advice.三维目旳知识目旳1. Get students to learn some useful new words and expressions in the listening passages.2. Let students learn the expressions of seeing the doctor:Whats the matter?Whats wrong with you?What seems to be the trouble?How long have you been like this?Its nothing serious, only. . . .I suppose you had better. . . .I think you ought to. . . .能力目旳1. Enable students to catch and understand the listening materials. 2. Develop students ability to get special information and take notes while listening.3. Get students to learn and use the expressions of seeing the doctor, suggestions and advice.情感目旳1. Enable students to know more about healthy eating and improve their quality of life.2. Develop students sense of group cooperation and teamwork.教学过程设计方案(一)Step 1 Revision1. Check the homework exercises.2. Ask some students to translate some sentences using ought to.1)有些事情我应当在你走之前告诉你。2)他不应当那样做。 3)他该去看医生吗？是旳, 他该去。4)要是他全好了, 他很也许今天就回校上课。5)你应当信守诺言。Suggested answers:1)There is something I ought to tell you before you leave.2)He ought not to do that.3)Ought he to see the doctor?Yes, he ought to.4)If he is completely well, he ought to be back at school today.5)You ought to keep your promise.Step 2 Warming up1. Tell students: Turn to Page 14. We are going to the part Listening. We will listen to a dialogue between Wang Peng and an expert. Can you guess what they are talking about?2. Let students learn these words. Practice the pronunciation and look up them in the dictionary to find out what these illnesses are._ scurvy_ rickets_ obesityStep 3 Listening1. Go through the exercises to make sure students know what to do. Let them guess what the listening material they will hear may be about.Show the following on the screen.1)Listen to the dialogue between Wang Peng and an expert. Write down the main idea of the dialogue._2)Listen to the dialogue again and join the names of the illnesses to their causes.IllnessesCausesScurvytoo much rice, noodles, sugar and fatRic