Unit 1 Food for thought Listening and speaking （ppt课件）-2023新外研版（2019）《高中英语》必修第二册.pptx

1、May 20 of each year is designated as the statutory法定的 National Student Nutrition Day to help young people learn more knowledge of nutrition and health,learn to eat healthy.During the outbreak of COVID-19,Zhong Nanshan,Li Lanjuan,Zhang Wenhong and other experts pointed out that a reasonable diet can

2、enhance the bodys immunity and help us resist the virus.Is the food below healthy?roast food During long cooking times at high temperatures,up to 40%of B vitamins may be lost in the juices that drip from the meat.Having too roast food may make us suffer from heat inside our bodies.Is the food below

3、healthy?instant noodles Instant noodles are considered unhealthy because of the high amounts of sodium 钠and MSG味精 contained in the noodles.The majority of instant noodles are also low in protein,calories,and fibre.Is the food below healthy?fried food Eating fried food may put you at a greater risk o

4、f developing cardiovascular disease.Fried foods not only have low nutritional value,but also contain toxic and harmful substances that can also cause great harm to human health.soft drinksIs the food below healthy?Soft drinks can cause emotional and behavioral problems.The sugar in soft drinks forms

5、 acid and attacks our teeth for about 20 minutes each time we drink them.About 30%of the worlds population is overweight.Did you know?a cold drink that does not contain alcohol软饮料soft drinks1.dressing2.sugar3.fat n.4.dessert 5.fat-free6.yoghurt7.It mailnly contains.1.(拌制沙拉用的)调料2.(植物、水果等所含的)糖3.脂肪4.甜点

6、5.去脂的；脱脂的6.酸奶7.它主要包含.fat-free yoghurtListen to the conversation and tick the food and drinks Janet origionally wanted to order.Listen to the conversation and tick the food and drinks ordered.Activity 8 Listen again and complete the Harriets views on the food.salad with dressinga lot of sugar,_ and u

7、nhealthy _fruit juicejust a small _ of real fruit in ithas as much sugar as_fat-free yoghurta lot of suagr to improve the _,which can be _fatchemicalsamountsoft drinkstasteharmfulActivity 8 Now talk about what Harriet says to persuade Janet.Listen again if necessary.Not a_.has a lot of sugar and fat

8、,as well as unhealthy chemicals.Dont _!Did you know that.?Sorry,but there is _with.sugar _if you eat too much.good ideabe so surea big problemcan be harmfulThis boy has an unhealthy diet and suffer from health problems.Tips before giving advice to this boy.Sorry,but there is a problem with your diet

9、.n Please pay more attention to your diet.n Eat food that is rich in fiberbut low in fat and salt.n Eat a balanced diet that provides all kinds of nutrition.n Avoid skipping breakfast or eating excessively.n Stay away from junk food.eat properly and lead a healthy life The Food Pyramid The healthy f

10、oods are fundamental for our system.They help us grow,be strong and be healthy.To eat healthily,one must learn about the variety and quantities of the food we eat.We need to learn about the food pyramid and follow its steps.The Food Pyramid A food pyramid is a graphical pyramid shaped nutrition guid

11、e,divided into sections.Each section represents a specific food group and shows the recommended intake for each food group.The pyramid shape graphic illustrates a higher daily intake of foods at the bottom of the pyramid,and a smaller intake of foods at the top of the pyramid.fats and sweets（delicio

12、us but with high calories）meat,fish and eggsdairy(milk,cheese and butter)fruits and vegetables(fill our bodies with vitamins and minerals)carbohydrates碳水化合物The food pyramid shows a healthy balance of various food groups,and it is necessary for a person to eat all of those types of foods in order to have optimal health.If certain types of foods are left out,it may result in a lack of nutrients or malnutrition.