2019-2020年高中英語(yǔ) unit 2 using language教案 新人教版必修4.doc

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2019-2020年高中英語(yǔ) unit 2 using language教案 新人教版必修4 備課日期 課 型 Using language 教學(xué) 目 標(biāo) 知識(shí)與技能 Enable students to develop reading skills by skimming for main ideas and scanning for details. Enable students to learn and talk about disadvantages of chemical farming and advantages of organic farming methods. 過(guò)程與方法 Enable students to train their ability to gain information by completing some tasks. Enable students to make dialogues with the help of given pictures and sample dialogues. 情感態(tài)度 與價(jià)值觀 Enable students to have a better understanding of organic farming and pay attention to the quality of food we eat. Enable students to develop their sense of group cooperation and teamwork. 教學(xué)重點(diǎn) Enable students to learn to use strategies such as skimming, scanning, and so on to do their reading. Enable students to use the information they gain in the reading to make a dialogue 教學(xué)難點(diǎn) Enable students to summarize the advantages and disadvantages of green food. 教學(xué)方法 Scanning; skimming; group work 教學(xué)用具 Blackboard; chalk; multi-media computer 課時(shí)安排 2 period 教 學(xué) 內(nèi) 容 設(shè)計(jì)與反思 板書設(shè)計(jì): Group competition: G1 G2 G3 G4 1)The advantages of green food： Free of chemical fertilizers Full of nutrition Pollution-free Healthy and safe Grown with natural fertilizer Grown away from industrial areas and dirty water supplies 2) The disadvantages of green food: People don’t know about the food and how good it is More expensive It is not easy to buy Teaching procedures Step Ⅰ Warming up Guess what it is. It (is)… what we often eat red and round rich in vitamin high in fiber a kind of fruit ——apple One apple a day keeps the doctor away. What’s the difference between the two apples? Not all apples are created equal! Step Ⅱ Reading(Chemical or organic farming?) 1. Skimming Skim and match the main idea with each paragraph. Para 1 Problems caused by chemical fertilizers. Para 2 Farmers and customers turn to organic farming. Para 3 Other methods to keep the soil fertile. Para4 Long-term use of chemical fertilizerscan cause damage to the land and people’s health. 2. Fast-reading Read the passage and answer the following questions. 1 Why are chemical fertilizers so popular in farming today? They are a great way to stop crop disease and increase production. 2. What is organic farming? Organic farming is simply farming without using any chemicals. 3. What is the goal of using organic farming methods? To grow good food and avoid damaging the environment or people’s health. 3. Scanning Scan to find details of chemical farming and organic farming by filling the charts: 1). What problems are caused by chemical farming? 2). How do they cause the problems? What problems How to cause by staying in the ground and underground water by building up in people’s bodies over time 4. fruit,vegetables and other food have less nutrition Step Ⅲ Reading two Read the short passage on P15 and get the information of the advantages and disadvantages of green food. The advantages of green food The disadvantages of green food Step Ⅳ Make a dialogue You will be given three situations. You and your partner need to choose one from them and make a dialogue about green food. Sample dialogue A: Good morning! Can I help you? B: I’d like to buy... A: Which one would you like? B: I would rather … A: It’s better to choose… B: What’s the advantage of it? A: The advantage of it is that… Step Ⅴ Assignment ( design a poster) Now you work for a green food company. Your boss asks you to design a poster for advertising the safety and importance of eating “green food”. Main heading This explains that you sell green food. Reasons to buy: Reason 1: Reason 2: Reason 3: Reason 4: Why it is good value. StepVI Homework 1. 課時(shí)單元檢測(cè) P79-80 2. 單詞測(cè)到lead to。 Reflections: