精品文档2016 全新精品资料-全新公文范文 -全程指导写作 独家原创 1 / 19英语演讲稿关于学习A Word Has That Change the World Smile and the World Smiles With You Good morning, ladies and gentlemen. Today I am very happy to be here to share with you some of my thoughts on the topic of “A Word has that Change the WorldSmile and the World Smiles With You “. First, please look at my face. Do you know what Im doing? Yes, quite right, Im smiling. I like smiling, because it makes me more confident and more popular. Dont you think it important? Can you imagine a world without smiles? Can you bear seeing sad faces here and there? What a gloomy world it would without smiles!Smile is so important of the world; it also can change the world! Smile and the world smiles with you!Do you still remember the smiles from someone in your mind? Whats your feeling about that? The majority of people are trying to pursue happiness through their lifetime, but what is the root of happiness? I take the strong position that one of the secrets is smile. Smile makes the world go 精品文档2016 全新精品资料-全新公文范文 -全程指导写作 独家原创 2 / 19around.Its easier to make new friends through charming and friendly smiles. Smile always creates a good impression. Maybe we cannot remember someones name after meeting each other for the first time; however, hisor her smile impressed us. But people sometimes overlook the importance of smiling since it is so simple. It seems that people are always in such a hurry for their own business that they complain a lot about the lack of happiness in life and some people even want to be Harry Porter to learn the magic spell of happiness.Ladies and gentlemen, every one of us want to know exactly well what the spell actually is and the spell is can change the world. What is it? so simple and just at hand. Thats smile.Smile is such a magic spell. It is a kind of emotional contact. It makes strangers becomes friends. It makes parents and children understand each other better and it makes the love between lovers deeper.精品文档2016 全新精品资料-全新公文范文 -全程指导写作 独家原创 3 / 19Smile is such a magic spell. Its also a kind of encouragement. It makes people feel warm in ice and snow. It gives thirsty people power to walk on in a dessert. It makes cowards become brave and it makes people see hope in desperate situations.So please remember smile make your life brighter. Smile and the world smiles with you. Every time you smile you give yourself a perfect chance to enjoy life. Every time you smile, you bring the brilliant sunshine to the whole world around you as well as to yourself.A smile is the common language of the world, is the perfect way to communicate. Smile to the worlds stability and peace is hard to imagine that role. A smile can change the world , can change the way we live andattitude.So please smile, it will not only make your life happiness, will let others feel happy, still can let the whole world is filled with the taste of happiness!My speech is over, thank you very much!精品文档2016 全新精品资料-全新公文范文 -全程指导写作 独家原创 4 / 19教师教育学院 09 小教语文班 李楠I shall be speaking today aboutBefore we start our presentation, lets take a brief look atIf you give a diet to laboratory animalits very common for animals to gain a good bit of weight when given access to this diet. Even if theyre given healthy food at the same time, theyll tend to ignore the healthy food and eat a diet like this. And there are two properties of this diet that help promote overeating and obesity in laboratory animals. What would you say the two features are?Sugar and is what people usually guess first and thats correct, fat is number two, so you guys are good so far. Who can guess what the third might be? Salt is a good guess, but thats not the answer. But why would a lab animal seek out a diet, become very overweight, become nutritionally deficient in some things because its not eating the healthy foods to the extent that it becomes unhealthy? The fact is those lab animals have a hard-wired preference for foods that 精品文档2016 全新精品资料-全新公文范文 -全程指导写作 独家原创 5 / 19are high in fat and high in sugar, primarily because of the energy density that those foods bring to one, the seeking out fat and sugar is a highly evolved, adaptive evolutionary trait of animals and human.Today were going to talk the two big ones that people are usually concerned with: carbohydrates and fat.Lets start with carbohydrates. Sugars, in other re used by the body for pretty immediate are three classes of sugar: monosaccharides, disaccharides, and polysaccharides. Its not so important that you know which sugars fall under each of these categories, but it is important to know that there are different categories of sugars. Under the monosaccharides, glucose, fructose and galactose are