Unit 3 Using language Write about a healthy diet 课件-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit 3 Food and Culture Para 1 HEALTHY EATING There is much debate nowadays as to what makes up a healthy diet. For example, scientists have insisted for years that a big enemy of health is fatty food. However, there is increasing evidence that the real driver of poor health is not so much fatty food, as it is sugar. Heart disease is the number one killer of Americans. 关于...有很多争论 健康的大敌 越来越多的证据表明 …的真正因素 高脂肪食物 …的头号杀手 And 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 (Journal of the American Medical Association, 2014). This is true regardless of how healthy the rest of their diet might be. Put more simply, while people continue to argue over whether or not fatty food is dangerous, we already know that sugar is a killer. Para 1 死于心脏病 不管 更简单地说 争论 倍数表达法 ① be+倍数+as+原级+as... ② be+倍数+比较级+than... ③ be+倍数+the+名词（size, length, width, amount...) + of... 中国的面积大约是印度的三倍大。 1. The area of China is about ______________________ that of India. three times as large as 2. The area of China is about ______________________ that of India. twice larger than 3. The area of China is about ______________________ India. three times the size of as to 至于，关于；就……而论 make up a healthy diet 组成；补足；化妆；编造 fatty food 高脂肪食物 There is increasing evidence that 越来越多的证据表明 the real driver of poor health 不良健康的真正推手 as it is “事实上;实际情况是” be likely to do sth 倾向于，很有可能 die from heart disease 死于心脏病 regardless of 不顾，不管 Put more simply 简单地说, 简而言之 argue over sth (with sb) 辩论某事，为…争论 whether or not 不论，是否 Para.1 Much of this extra sugar comes from sweets and sweet drinks. The average American gets 1/3 of his or her sugar through sweet drinks alone. The American Heart Association recommends that we limit ourselves to less than 100-150 calories a day from sugar, which is less than what is usually contained in one can of