人教版高二英语必修三Unit2Warmingup 30页

Warming Up Unit 2 Heathy Eating Learning aims 1.To learn about some food. 2.To talk about healthy diet. 3.To be able to speak fluetly. What do you usually have for breakfast? fried dumplings steamed dumplings pan cake twisted cruller soybean milk What do you usually have for lunch? steamed bread shrimp meat fish rice What do you usually have for supper? spaghetti dumpling porridge noodles Underweight = <18.5 Normal weight = 18.5 ---24.9 Overweight = 25---29.9 ( 极度肥胖 )Obesity = BMI of 30 or greater 身体质量指数 weight (kg) [height (m)]² Formula( 公式 ): = ? Functions of food Maintain life Keep healthy Prevent diseases Supply energy Satisfy hunger Why do we have to eat everyday? sweets Fried chicken chocolate Potato crisp Ice cream Mutton kebab lemon dumplings ham mutton fish bean cucumber mushroom Food group: vegetables carrot tomato cabbage cucumber Pea Mushroom Bean Corn lobster Crab Shell Octopus Oyster Shrimp Food group: Sea food Fish Fruit Strawberry 草莓 apple lemon Kiwi fruit( 猕猴桃 ) cherry grapes watermelon sweets chocolate potato chips Ice cream snacks rice dumplings noodles cake pizza hamburger staple food 主食 What kinds of nutrients( 营养物质 ) can they provide to human beings? Water Sugar Fat 脂肪 Fibre 纤维 Protein 蛋白质 Vitamin A balanced diet fruits Fibre &vitamin& sugar Which food is rich in…? vegetables Fibre & vitamin protein fat & sugar rice corn noodle dumplings Fibre & vitamin Speaking ( 8ms ) Decide which food is junk food or healthy food and give reasons. I think …is junk food because… I think … is healthy food because… (be rich in 富含； be low in 缺乏，含 … 量低 ) Classify the foods we usually eat in the following way: foods to give you energy   foods foods to grow bones and muscle     foods that give fibre for digestion and health What will happen if we don’t eat a balanced diet ? I like the things!! I often eat them! I do not like them at all!! Eat healthily, and be healthy ! Healthy diet: a diet that is balanced and neither too rich in fat, sugar and salt nor too poor and lacking in essential nutrients. Discussion How to keep healthy ？ Summary 1.Food: bread sugar noodle tomato dumpling . 2.Keep a healthy diet: don’t eat too much sugar,keep a balanced diet. Homework 1.memorize the new words 2.preview the reading part Thank you !