book3 unit1 warming-up.ppt

Period 1 Warming up 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): = ? Task 3: Discussion: In pairs discuss whether the menu is balanced or not. pork dry beancurd chicken with mushrooms jiaozi noddles Main kind of food Meal energy-giving body-building and energy giving body-building and protective body-building body-building Menu 1 Not balanced! spinach soup（菠菜汤） spicy tofu stir-fried beef with chilli and peanuts（宫保鸡丁） stir-fried tomato with eggs stir-fried beans with bamboo shoots（竹笋扁豆） steamed perch(清蒸鱼） rice Main kind of food Meal energy-giving body-building protective protective and body- building energy-giving body-building body-building protective Menu 2 Balanced! * What are the three essential elements（基本要素） for us human beings to survive（生存） on the earth? water air food Task 1: Warming up: Background knowledge about different kinds of foods. diet日常饮食 meat vegetable seafood fruit snacks（零食小吃） staple food (主食) What kind of food do we eat? Food group: meat mutton kebab mutton ham roast duck Food group: vegetables carrot tomato cabbage cucumber pea mushroom bean corn pepper pumpkin celery lobster crab shell oyster Food group: Sea food fish shrimp Fruit lemon kiwi fruit(猕猴桃) cherry grapes watermelon pineapple peach strawberry pear sweets chocolate potato chips Ice cream snacks rice dumplings noodles cake pizza hamburger staple food主食 fried bread stick steamed stuffed bun porridge steamed twisted rolls won ton spaghetti crisp sandwich soybean milk peanut chestnut walnut sunflower seed nutrients minerals fat protein vitamin water carbohydrates fibre What do the foods have in common ? sugar What kinds of nutrients(营养物质) can they provide to human beings? fruits fibre vitamin sugar vegetables fibre vitamin protein fat sugar eggs or cream pota