人教必修4Unit2-Using-Language-(共28张)课件.ppt--（课件中不含音视频）

1、高中英语必修四高中英语必修四 Unit 2 working the land Using language:What is the substance(物质物质)we put on the soil to make the crop grow better?It is fertilizer.Step1 Leading in:How many kinds of fertilizers do farmers use?Two kinds.They are chemical fertilizers and natural ones.Which kind do farmers use when they

2、 are doing organic farming?Which kind do farmers use when they are doing chemical farming?Step 2 Careful readingnutritionTask 2 Answer the question:What is organic farming?Organic farming is simply farming without using any chemicals.Para.4Task 1 Find out four ways of organ farming:1.Using _ _from a

3、nimals as fertilizer.(para.3)natural waste2.Change the kind of _ in each field every few yearscrop3.Planting _between crops grass4.Using _ _of soil to plant cropsdifferent levelsTask 2 Answer the question:What is the advantage of organic farming?to grow more food and avoid damaging the environment o

4、r people health.Step 3 Oral practice:Role Play情景介绍：情景介绍：Alice 向向George请教有关有机耕种的问题。请教有关有机耕种的问题。角色：角色：Alice and George任务：任务：（1）根据中文提示提出问题。）根据中文提示提出问题。（2）根据课文内容回答问题，然后互换角色进行）根据课文内容回答问题，然后互换角色进行口语练习。口语练习。Q1：为什么在耕种中使用化肥变得越来越普遍？：为什么在耕种中使用化肥变得越来越普遍？Q2：使用化肥会导致什么问题？：使用化肥会导致什么问题？Q3：什么是有机耕作？：什么是有机耕作？Q4：有机耕作有什么

5、好处？：有机耕作有什么好处？Step 4 Reading&Writing Task 1 Read aloud :(page 15)You are a producer of“green food”-your food is free of chemical fertilizer.Task 2 Writing:Imagine you are a farmer,and you are trying to persuade the customers to buy your“green food”.First write down four or five more reasons to encou

6、rage more people to buy your food.Then design your own poster advertising the safety and importance of eating“green food”.5 Top Reasons to Go Organic:中译英：中译英：1.有机食品不用化肥。（be free of）2.有机食品不含有毒化学物。（poisonous chemicals）3.有机食品吃起来更美味。4.食用有机食品是避免食用转基因食品的唯一途径。（GM food ;avoid）5.有机食品含有更多的营养物。（nutrients）Organ

7、ic food is free of chemical fertilizers.Organic food is free of poisonous chemicals.Organic food tastes much better.Eating organic food is the only way to avoid eating GM food.Organic food contains more nutrients.英语海报写作英语海报写作如何写劝说类应用文如何写劝说类应用文文体介绍文体介绍海报写作属于应用文写作。海报是一种海报写作属于应用文写作。海报是一种宣传广告宣传广告,其内容是提供

8、活动信息、介绍其内容是提供活动信息、介绍产品或说服别人等。因此海报的语言要产品或说服别人等。因此海报的语言要力求简洁、通俗易懂力求简洁、通俗易懂,并具有很强的说服并具有很强的说服力和吸引力。力和吸引力。写作技巧写作技巧1.基本内容基本内容:海报通常包括导言、正文和海报通常包括导言、正文和结论三个部分。导言部分介绍主要信息结论三个部分。导言部分介绍主要信息(产品或服务等产品或服务等)；正文部分提供更多有；正文部分提供更多有关的信息关的信息,并提供选择或推荐的理由；结并提供选择或推荐的理由；结论部分总结海报内容。论部分总结海报内容。2.语言语言:大量使用省略句大量使用省略句,文字力求文字力求简洁生

9、动。简洁生动。3.版面：版面工整、美观版面：版面工整、美观,可以采可以采用不同的字体和颜色，还可以插用不同的字体和颜色，还可以插入图片。入图片。高一高一(8)班各小组制作的海报班各小组制作的海报ppt 作品展作品展:Group 1 All kinds of organic foodGroup 2 organic Lactuca sativa Group 3 organic peaGroup 4 organic lemonGroup 5 organic rice They are cheaper.They are fresh and hygiene.The most Important thin

10、g is that there is no pollution!Of meat protein,essential amino acid is enough,conducive to digestion and absorption,is of high quality protein.ReasonGrains have a variety of function of treating and preventing diseases!Group 1Lactuca sativa Our Lactuca sativa is coking plant cultivation,namely asex

11、ual reproduction.Fast growth and cold resistance,heat resistance,high yield crop.They have no pesticides,non-toxic,and no insect.(我们的莴苣采用的是无土植株栽培,生长速度快，抗寒、耐热、单株收成高，无农药、无毒害、无病虫的三无产品)Lactuca sativa contain lots of vitamins and calcium,iron,protein,fat,vitamin A,VB1,VB2,such as nutrition,moreover also

12、has the lower cholesterol,treatment of neurasthenia,the effect such as phlegm cough,so Lactuca sativa is a kind of low quantity of heat,high nutritional value of vegetables.(莴苣含有大量维生素和大量钙、铁、蛋白质、脂肪、维生素A、VB1、VB2等营养成分，此外还具有降低胆固醇、治疗神经衰弱、清燥润肺、化痰止咳等功效，因此莴苣是一种低热量、高营养的蔬菜)Only ten dollars for1 kg,what are yo

13、u waiting for?Come and buy our food!Group 2PEAMany people like to eat peas,because peas are very nutritious legumes,with peas to make dishes very nutritious.Peas,high nutritional valuePeas are very comfortable and the health care keeping in good health food.Rich in fiber,vitamin C and proteinGroup 3

14、Group 4What is organic rice?Organic rice refers to the process of planting rice,the use of natural organic planting way,fully uses natural farming out of rice.The benefits of organic rice:The benefits of organic rice:Organic rice porridge with spleen,and stomach,lung function.Organic rice soup Qi,no

15、urishing Yin,moistening functions,can stimulate the secretion of gastric juice,to help digestion,and the fat absorption promoting effect.Organic riceOrganic rice Organic rice price between 100 to 400,Organic rice price between 100 to 400,so China every sell 10 rice has 7 kinds of so China every sell 10 rice has 7 kinds of organic rice.So,buy organic rice is a goodorganic rice.So,buy organic rice is a goodchoice!choice!Group 5Homework:用PPT 制作软件完善、修改各小组的作品。