14-高中-Chemical or organic farming-逐字稿

听力教学 Chemical or organic farmingGreetingHello, boys and girls. I am glad to see you again. How are you today? Thats great. I am so happy to hear that. What about me? I am excited to see you.1. Warming up and Lead inGuys, I would like to know how many of you come from countryside. Please hands up if you are from countryside. Wow, one quarter of you are from countryside. Then do you know something of farming? Whod like to have a try? Marvin, I see you want to share, right? Marvin says that nearly all the plants and trees are planted into the land. Youre right Marvin. Nice pronunciation! Anyone else? Jason, can you? Jason mentions that we use a lot of fertilizers in farming. Any different ideas? No? Jason is right. We do that for a long time. Jason knows a lot. Today we will learn something of chemical farming. 2. Pre-listening1) Showing video. Since many of you dont know much about farming, I will present a video of farming to help you have a better understanding of chemical farming. It is related to our listening content next. So please watch it carefully and tell us what it will talk about. And I will ask some of you to share with us. OK. You finished it. Any volunteers? Come on guys! You should seize the opportunity to show yourself in class. Lina, youre so brave. We should learn from her. According to Linda, the video is mainly about the fertilizers we use in farming and probably our listening will talk about the fertilizer. Marvelous! Who has a different idea? Do you agree with her? Frank is standing up! Brave guy! Frank tells us that our listening maybe talk about the damages of the fertilizer to us. Yeah, good thought. Lets see. 2) Showing pictures. Some new words and phrases will be shown up in our listening. Lets learn them first. I will show some pictures with English words or phrases and let you guess the meaning. For the first one, what is that? Who can tell me? “It is chemical”, Jane says. Is she right? I hear some of us says it is right and chemical means something which is made by chemical materials. The second one is? The boy in the corner. Can you? Yes, he mentions that it is “damage”, which means doing harm to others. Great! You have mastered the word. Who knows the answer for the third one? “Dangerous, it means it is a risk to others”, Lily says. Great! We have several phrases. Lets see together. All right. We have learned so many words and phrases. Lets listen to the tape now. 3. While-listening1) Pair works. Now you will be asked to listen to the tape for the first time and discuss with you desk mates what is the main idea of the text. Then you will be asked to share you answers. Now times up. Whod like to share with us? The girl in red please! What is your answer? I hear she tells us that it is mainly about the damage the fertilizer causes to human beings. Do you have any different opinion? Kai is eager to answer. Kai mentions that the answer of the girl in red is partly right. And the article mainly talk about why farmers like to use fertilizer and what damage the fertilizer will cause to land and to men. Wow. Wonderful! You set an example for the whole class.2) Listening once again. Since you have known the passage mainly talked about, lets listen to the tape for the second time for details. You will be asked to answer the two questions on the blackboard and write your answers on the blackboard. a) Why farmers welcome fertilizer? b) To whom will the fertilizer cause damage to? You can have a discussion with your desk mates. Now you have finished your listening and discussed for 2 minutes. Who can write his answers on the blackboard? I will ask 2 students. Lucy and Olivia please. Wow, their handwriting is very beautiful. Theresa, are their answers right? Theresa says that it is right. OK. Great job you three. 3) Group work. We have listened to the tape for two times and we are familiar to the content. Now you will be asked to listen for the third time and discuss what will be talked about in the following section according to the authors clue. Youll to divided into several groups and have a discussion. Then you will be asked to express your ideas in English in front of class. Are you ready? Go! Time is up. Which group want to show us? Brandon, what is the idea of your group? Come in front of class. He describes that it will discuss what the damage it will take to land and human beings and what measures we should take to prevent the damage. Do you agree? I hear many of you say yes. So the answer is right! You are so clever Brandon.4. Post-listeningRole-play. After the discussion, you will once again be asked to discuss with your desk mates and rewrite the article into a dialogue with your desk mates. I will ask several pairs to act it out. You will have 5 minutes to prepare. Now please begin. Times up. Any volunteers? Frank, I see that youre ready to act. So come in front of class with your mate. Wow, you two really have a good oral English. What about their dialogue? Linda, please say something. Linda says that their dialogue is very interesting and adhere to the passage. Yes, it is really nice. Performed well, you guys. Thank you.5. Summary and homeworkHow time flies! Class is almost over. Now, lets summarize what weve learned today. We learn some key words and phrases. And we also listen to a passage about chemical farming. Homework: Please search on the Internet and answer the question: what damage will the fertilizer cause to land and to the health of human beings. Please write the answers in 100 words.6. Bla