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2019-2020年高中英語 Unit 2 Healthy eating The third period教案 新人教版必修3 一．內(nèi)容及其解析 1. 內(nèi)容： “閱讀”(Reading)部分介紹的是一篇關于“飲食習慣”的文章。文章從傳統(tǒng)飲食習慣的改變，學習本文的目的是讓學生重新審視自己、審視食物， 提高養(yǎng)成健康飲食習慣的意識，同時通過對該文章的閱讀豐富有關這個主題的語言和信息。 2. 解析：在閱讀文章前設置一些以閱讀內(nèi)容關系密切的問題。 可以啟發(fā)學生預測課文的內(nèi)容.讓學生形成整體來處理,通過上下文來學習詞匯和語法,應用各種方法來理解課文,提高閱讀技能.讀完后還應通過一些題目來檢測對課文的理解與否. 二．目標及其解析 1.目標 (1) 提高運用閱讀策略預測課文內(nèi)容和獲取課文主要信息的能力； (2) 形成自主學習，合作學習和探究學習的意識。 2.解析 ⑴ 能夠采用各種閱讀技巧提高學生的閱讀能力 ⑵ 能夠掌握文中的詞匯，句型，語法現(xiàn)象。 三．教學問題診斷分析 課文有本單元要學的大部分生詞,短語.句子以及語法這些都是阻礙學生理解課文大意的,教師應鼓勵學生猜測然后再看生詞表.閱讀時畫下自己不懂的句子,語法等 四．.教學支持條件分析 利用圖片和錄音機從聽覺，視覺上激起學生學習興趣 五．.教學過程設計 （一）教學基本流程 讀前—— 快速閱讀——細讀—— 讀后——小結(jié) （二）教學情景 “讀前”(Pre-reading)部分設計了四個和健康飲食有關的問題，引導學生互相交流飲食喜好和對健康飲食的理解，激發(fā)閱讀的欲望，為下一步的“閱讀”自然地打下鋪墊。 Step one: Pre-reading 1. Language Input： no longer， keep up with, had better, make the right choices, base on, keep a balanced diet, lose weight, go on diets, keep fit 2. Questions: 1.How many meals do you eat every day? 2. Which meal do you think is the most important? Why? 3.What kind of snacks do you eat? 4.Which of the following gives you the most energy :a banana, a soft drink ,a bar of chocolate? 設計意圖: 可以啟發(fā)學生預測課文的內(nèi)容 師生活動:教師提問,學生討論,教師整理 StepTwo: Reading 1.Scanning Ask the Ss to listen to the tape while looking at the sentences on the screen, making a decision about whether the following statements are true or false. 1. Choosing what to eat is an easy thing . (F) 2．Traditional diets have a lot of fat and calories for 21st-century person. (T) 3．Protein is good for our bones. (F) 4．We can get carbohydrates and fuel from rice. (T) 5．Although vegans do not eat any animal products at all, they still eat some yoghurt or eggs. （F） 6．organic vegetables contain some chemicals which is bad for people’s health (F) 7.We can get some information about what we can eat from magazine or TV. (T) 設計意圖: 快速閱讀培養(yǎng)學生獲取課文主要信息的能力. 師生活動: 教師提問學生回答. 2.:. Skimming Ask the Ss to read the passage more carefully and find the topic sentence for each paragraph. . Para 1：（Choosing what to eat is no longer as easy as it once was）． . Para 2：（When we choose what to buy and eat，we had better think if the food will give us the nutrients we need）． Para 3：（ Many people today make choices about their eating habits based on what they believe．） Para4：（It is probably better if we spend our time and money on buying good food and keeping a balanced diet。） . Para 5：（The best way to make sure that we will feel and look fine is to develop healthy eating habits．） 設計意圖:加深對文章的理解 師生活動: 教師提問學生回答. 3. Reading aloud Play the tape and ask the Ss to read along in a loud voice. StepThree: Post-reading Ask the Ss to discuss the following questions in groups: .Questions: 1. How have our eating habits changed? Why? Try to think of as many examples and reasons as possible. 2. List the examples and the reasons why people eat or don’t eat certain kind of food. 3. Why do people go to fast food restaurants? 4. Why is it not good to eat too much sugar and fat? 5. Why are crash diets and supplements so popular? 6. Shall we follow the advice that many panies and stores offer? 7. What can we do to keep a balanced diet? 設計意圖:檢測學生對文章的理解程度并能發(fā)表自己的見解,提出解決問題的辦法. 師生活動: 教師提問學生回答. Step Four: Interview This is individual work. Ask the students to scan the text and fill in the following form. The students should finish the work independently. Three minutes later, check the answers with the whole class.（參考答案） Food Fish, meat and beans Nutrient Protein Function Good for muscles Eggs, milk and other dairy products Calcium Good for bones and teeth Bread, rice and noodles Carbohydrates Help keep body functioning well Vegetables, fruit, fish and drinking milk Vitamins Help body fight disease 設計意圖: 回顧文章內(nèi)容形成整體概念 師生活動: 教師引導，學生合作完成，達到師生互動的目的. Step Five: 目標檢測： Word spelling(單詞拼寫) 1.Ive got a terrible p_________ here.Ouch! 2.The two nurses are very kind and patient.They look after their p_________ very carefully. 3.We must be careful with our diet if we want to keep up with the high p_________ of modern life. 4.Vegetables are good because they contain plenty of v_________. 5.When playing football,you might be using 400_________(卡)an hour. 設計意圖：通過做題熟練掌握重點詞匯的應用和拼寫。 ．單詞拼寫（參考答案）1.pain　2.patients　3.pace　4.vitamins　5.calories　 Step Six: Summary Summarize the passage and ask the Ss to retell the story. 設計意圖：回顧文章內(nèi)容形成整體概念 師生活動：教師提問學生回答。 配餐作業(yè)： 一． 基礎題（A組題） 1.聽寫學習目標中的重點詞匯 設計意圖：熟練掌握文中的重點詞匯， （參考答案：） （1. keep up with 2. now and then 3. make a choice 4. be good for 5. in that way6. such as 7. be ready for 8. base on 9 . be careful with 10 . keepfrom(doing sth)11. gain weight 12. choose~ from 13. be wrong with 14 .tgiveadvice 15. in~amount16 be nervous about 17 plenty of 18 a little bit 19 lose weight 20 even if21. instead of 22. a bar of 23 . keep sb doing 24. make sure 25 . keep fit 26. in the right order） 1. 閱讀“DONT BE A MOUSE POTATO” on Page74 and do exercises （答案見教參） 設計意圖：增強有關飲食文章的閱讀能力 二.鞏固題 (B 組題) 閱讀理解： A Because of the fast pace of American life, many family do not have time to have dinner together at the family table every evening. Many women have jobs. They dont always have time to make dinner, or they dont want to………… 1.……….. 5. Which is not true according to this passage? A. Fast food is cheap in America. B. Many fast restaurants are in America. C. Driver can never go into the fast food restaurants. D. Driver neednt get off to buy fast food. B A long time ago men hunted for their food.Often they killed wild animals,birds,or fish.How did they kill the beasts? They used rocks and wooden sticks………. ………. 5.This passage seems to show us that the general_________. A.liked to make jokes on his soldiers B.liked testing his soldiers C.liked crying in the battle fields D.liked the world to be peaceful 設計意圖：增強文章的閱讀理解能力 參考答案：（A篇 1-5 DDACC B篇 1—5 BACDD ） .提高題(C 組題) 完型填空： Todd was working at his gas station(加油站)at night when he heard over the radio that a 　1　 in Long Island has been　2　 by an armed man who had killed the night guard and got away with $ 150 000.“One hundred and fifty thousand,”Todd whistled……… ……….. 20. A.visitor B.robber C.driver D.rider 設計意圖：增強完型填空文章的閱讀能力 參考答案：（1---5 BDABD 6---10 CADCD 11---15 ABABC 16---20 BADBC） 課后反思：