高中英语人教版 (2019)选择性必修 第二册Unit 3 Food and Culture教案

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新人教版（2019）英语选修性必修二Unit 3    Food and culture Period 5 Write about a healthy diet教学设计 课题 Period 5 Write about a healthy diet单元Unit 3 学科English年级Grade 2教材分析This is the fifth period of this unit. This part of the activity theme is "write an article about healthy eating", through reading and writing activities to help students accumulate knowledge about healthy eating, deepen their understanding of the topic of healthy eating, and reflect on their own eating habits.Activities 1 to 5 are a task chain with the writing task as the output target.教学目标与核心素养Knowledge objectives:  Help students accumulate knowledge about healthy eating.Skill objectives:      Write an essay about your eating habits based on what you have learned in this unit. Use connective words to make the context natural and logical.Emotional objectives:  Understand the extensive and profound Chinese food culture and strengthencultural confidenceThinking quality objectives: Be able to pay full attention to the differences and integration of Chinese and foreign food cultures, observe and understand the world from a multicultural perspective.Be able to use creative thinking to design a new restaurant.重点How to instruct students to analyze and understand the text from the aspects of thematic content, textual structure and language expression.难点How to write about eating habits in combination with relevant topics and opinions. 教学过程教学环节教师活动学生活动设计意图导入新课Lead –in  PPT1-2Observe the pictures and answer the questions. 1.What do you think makes up a healthy diet?2.What are some rules for healthy eating?Answers may be various.Students can  have a discussion with partners,and the answer can vary.  To guide students to think about what is healthy eating.讲授新课 Task 1   PPT3-51.Read the text silently and draw the topic sentences for each paragraph.Answers:Para1.Put more simply,while people continue to argue over whether or not fatty food is dangerous, we already know that sugar is a killer.Para2. In other words, if you want to be healthy, you have to cut down on desserts, and cut out sweet drinks altogether.Para3.Beyond this, you can keep healthy by consuming different categories of fresh foods...Para4.Finally, a fundamental key to healthy eating is to eat slowly.Para5.Rather, healthy eating starts with having a healthy attitude towards food.Draw the related marker words of each sentence.Answers:Put more simply; In other words;Beyond this;Finally;Rather Match the subheadings with the paragraphs.A.Slow Eating is GoodB.Reducing Sweets is KeyC.The Real Killer is SugarD. The Way You Look at Food is Most ImportantE.Keep It Fresh and BalancedParagraph 1Paragraph 2 Paragraph 3 Paragraph 4Paragraph 5Answers:A Para4; B Para2; C Para1; D Para5; E Para3 Task 2   PPT6Think about the following questions and answer them using the given words.1.What is a point in a passage? 2.What kind of information is a detail? 3.What is the relationship between a point and a detail? a feature; the writer's opinion ;a fact; support; the main ideaAnswers:1.The writer's opinion or the main idea.2.A fact or feature about something.3.A detail is used to support a point.Task 3   PPT6-10Read the key details and find them out in the text.1.The real driver of poor health is not so much fatty food,as it is sugar.2.Much of this extra sugar comes from sweet drinks.3.You can keep healthy by consuming different categories of fresh food...rather than processed foods.4.A fundamental key to healthy eating is to eat slowly.Answers:1.In Line 3 of Paragraph 1  2.In Line 1 of Paragraph 2  3.In Line 1 of Paragraph 3  4.In Line 1 of Paragraph 4 Study the language and structure. 1.What are the key details that support each point?A.The real driver of poor health is not so much fatty food,as it is sugar.B.Much of this extra sugar comes from sweet drinks.C.You can keep healthy by consuming different categories of fresh food...rather than processed foods.D.A fundamental key to healthy eating is to eat slowly.2.Underline the linking words in the passage that introduce another way of saying what was already mentioned in the previous sentences.3.Circle the linking words in the passage which show that contrasting ideas are being introduced.Answers:1.A. In America, people who receive 25% of their daily calories or more through sugar are twice as likely to die from heart disease than people who receive less than 10% a day.B.The average American gets 1/3 of his or her sugar through sweet drinks alone.C.Detail 1: Fruit and vegetables are full of vitamins and fibre.Detail 2: Processed foods often contain less nutrition, and have higher quantities of sugar, salt, and fat than fresh ingredients.D. Detail 1: People who chew too quickly end up eating too much food because they still feel hungry.Detail 2: Eating slowly also allows your body to digest your food better, and will allow you to enjoy your food more.2. put more simply;in other words;what this means is that3.however, while, rather than, ratherTask4   PPT11Find out more linking words and phrases in the text and fill in the table.Task 5 PPT12Writing down something.Task 6 PPT13Read the text again and find out the advice about diet .Task 7 PPT14Read the text again and find out the facts about diet and nutrition .Writing:Use your notes and the two forms to write your essay.You can start like this:Overall,I think I have healthy/unhealthy eating habits.As for the things that I am doing right,...Still,I should improve my eating habits by...Task 8 Presentation PPT 16-19Overall, I think I have healthy eating habits. As for the things that I am doing right, I am eating a variety of healthy foods and trying to eat fresh food as much as possible.After noting down what I have eaten over the last three days, I can see lots of healthy and nutritious things on the list, such as fish, eggs, fruit, and salad. Put simply, most of my diet contains food that is good for my body. The fruit and vegetables that I eat are full of vitamins and minerals.And they contain much more nutrition than processed foods. Fresh food is also lower in sugar, salt, and fat.However, I do have some bad eating habits. There are some foods that I should not eat too much of. For example, rice and bread are healthy, but eating too much can create too much unused energy and cause you to gain weight and feel tired. I also really like eating pre-made steamed buns and tomato soup from the store, but I now know they contain far too much sugar, salt, and fat. Also, some types of meat contain a lot of fat, so I should be careful with how much I consume. The same goes for the pancakes I buy on the street. They are delicious, but they are by no means healthy, and I should be careful with how often I consume them.    In addition to the above, I also sometimes find myself too busy and forget to eat. I also have a hard time refusing sweets from others, even though I know they are bad for me.I should improve my bad eating habits by always taking the time to eat, even if I'm busy. I should have set times every day when I stop working and just eat. I could prepare some healthy dishes in advance that I can eat when I'm too busy, because this will give me more control over the sorts of things I eat. I should also avoid eating in front of the TV, as it is too easy to eat too much that way. And, of course, I also need to say no to sweets!After reading the article entitled “Healthy Eating", I now better understand how to eat more healthily and improve my food choices. I hope to follow a balanced diet, without too much or too little of any one thing. I think this is a key tip for healthy eating. And I think healthy eating starts with having a healthy attitude. It is up to me to make the right decisions about my diet, and I have decided to be healthier and happier!Language points  PPT20-33Important words1.association 【词义】
n.协会;联系，联想；关联，交往    【热点归纳】(1)in association with... 与......关联(2)associate     v. 将 (…和…) 联系起来;交往，结交(3)associated adj.有关的，相关的；副的    be associated with...与......关联【例句】The support of our members is of great importance to the association. 我们会员的支持对协会来说非常重要。We are working in association with a local company to raise money for the homeless.我们正联合一家当地公司为无家可归的人筹款。【语法填空】1.I don't like you____(associate)with such people.2.There is a proven association _______ passive smoking and cancer.Answers:associated; between2.quantity【词义】n．数量；数额【热点归纳】(1)a large/small quantity of＝large/small quantities of“大/少量的”，既可以修饰可数名词也可以修饰不可数名词;a (large/small) quantity of 后接名词作主语时，谓语常用单数形式;(large/small) quantities of 后接名词作主语时，谓语常用复数形式(2)in quantity　　　 在数量上；大量地 in large quantities     大量地【例句】Quantities of food were spread out on the table.许多食品被摊放在桌子上。Processed foods often contain less nutrition，and have higher quantities of sugar，salt，and fat than fresh ingredients.加工食品通常含有较少的营养，并且比新鲜原料含有更多的糖、盐和脂肪。【语法填空】(1)Every day in hot summer，a large quantity of beer             _________(consume)．(2)Large quantities of air­conditioners _____(sell) since the summer is coming.(3)He likes reading and always buys books ______quantity．Answers:is consumed; have been sold;in3.ideal【词义】
adj.完美的；理想的；想象的   n．理想；完美的人(或事物)【热点归纳】the ideal and the real　 理想与现实realize/fulfil one's ideal(s)     实现理想be ideal for                对……极为适合【例句】Sam was a real leader who had high moral ideals.萨姆胸怀崇高的道德理想，是真正的领袖人物。The ideal diet is a balanced one，without too much or too little of any one thing.理想的饮食是均衡的，任何一种东西都不要吃得太多或太少。【语法填空】1.The houses are absolutely ideal______families with young children.2.In any case____ideal and the real must always be referred to one another.Answers:for; the4.trick 【词义】n．诀窍；计谋；把戏 vt.哄骗；欺骗【热点归纳】(1)play a trick on sb.   搞恶作剧；开某人玩笑make fun of sb.     取笑某人play a joke on sb.     取笑某人(2)trick sb.out of sth.  骗取某人某物trick sb.into doing sth. 哄骗某人某物【例句】There is no one trick to healthy eating.健康饮食没有什么诀窍。I thought I saw a ghost，but perhaps it was only a trick of the light.我以为我看见鬼了，但这大概不过是灯光在捉弄人。　【语法填空】1.Don't take it seriously；she just wants to play a joke____you.2.We were tricked ______buying a poor car，which made me very upset.Answers:on; intoImportant Phrasesregardless of 不管；不顾          考查热度★★★【教材原句】This is true regardless of how healthy the rest of their diet might be.这是真的，不管他们的饮食其余部分有多健康。【实例品读】I shall go regardless of the weather.无论天气怎么样我都要去。The allowance is paid regardless of age or income.津贴发放不分年龄或收入。[知识拓展](1)regardless of the fact that...　不顾……的事实(2)regardless adv.   不管；不顾(3)in spite of＝despite  尽管；不顾(4)regardless of 强调“不认为……重要”，从而不加以重视或考虑，其后可以接the fact that...；其同义词despite/in spite of还有“尽管……但是”之意，其后一般不接从句。【考点精练】完成句子1.They continued to work regardless  ____the fact that it was raining.2.Despite her recent surgery she has been carrying on ________(regard)．3.We arrived at the station on time  ____________________ ．＝We arrived at the station on time   ____________________．尽管下着暴风雨，我们依旧准时到达了车站。Answers:1.of; 2.regardless;3.regardless of the storm;despote/in spite ofImportant Sentences while引导时间状语从句             考查热度★★★【教材原句】Put more simply，while people continue to argue over whether or not fatty food is dangerous，we already know that sugar is a killer. 简而言之，当人们还在争论高脂肪食物是否危险时，我们已经知道糖是杀手。【实例品读】While he was in prison，he wrote his first novel.他在狱中写出了第一部小说。Nothing much changed while he was away.他不在的时候，没有什么太大变化。【知识拓展】(1)while用作并列连词，表对比，意为“而”。(2)while用作从属连词，引导时间状语从句，意为“在……期间，当……的时候”。从句中的谓语动词通常是延续性动词。(3)while用作从属连词，引导让步状语从句，意为“虽然，尽管”，相当于though。(4)while用作从属连词，引导条件状语从句，意为“只要”，相当于as long as。(5)while用作名词，意为“一会儿；一段时间”，此时主要用于短语中；after a while过了一会儿；for a while暂时，一会儿；all the while一直，始终等。【句式分析】句中while引导时间状语从句。【考点精练】完成句子①只要有生命就有希望。____________________，there is hope.②那个男孩擅长数学而他妹妹擅长语文。The boy is good at maths __________________________ ．③尽管我明白你的话，但我还是不同意。   ____________________________ ，I can't agree with you.④他们聊了一会儿，然后就去上班了。They___________________ and then went to work.Answers：1.While there is life 2.while his sister is good at Chinese 3.While I understand what you say4.chatted for a while  Students scan the key sentence of each paragraph.             Give correct answers by the scanning the letters in individual.        Have a discussion if possible.                                Students can find out the detailed information by themselves.                These parts are very important for students.Students can  do it in groups.       They can have a discussion with partner or mate notes of key sentences.                 Present the articles one by one.                   Students can  list the main phrases on their notebooks.                    To learn the details of each word and grasp its function by themselves.                            To do the exercises by themselves and then check the answers.                                                    To pay attention to the differences by comparing by themselves.                         The teacher guide them to learn the usages of while .                     To train students’ reading ability.             To help students get the main idea quickly    .         To help find out the text structure.                                 To improve students’ comprehension ability.                1.To train students’ analyzing skills.2.To broaden students’ knowledge about diets.     To train students’ observing ability and writing skills .  To summarize useful information .           Train their writing and speaking ability.                                           To grasp the language points .                                                          To compare the similar usages of the words.          课堂小结Summary:1.Read and analyse the details in the text.2.Develop the ability of finding and using linking markers between sentences .3. Train their writing skills.            Homework:Do Exercises on Page 78-79 of the workbook.  Pre-readingReading Asking and answeringDiscussionWriting       1.Guide students to observe the pictures related to the text.2.To help students     analyze the text further .3.To learn the text structure.4.To train students’ writing ability.    To train students’ reading and listening ability . 板书1. 2.1).What is a point in a passage? 2).What kind of information is a detail? 3).What is the relationship between a point and a detail? Answers:1).The writer's opinion or the main idea.2).A fact or feature about something.3).A detail is used to support a point.3.Advice from the text about healthy diet.1).2).3).4).5).4.Language points