尊敬的老师，亲爱的同学们：
大家好!
打开记忆的那扇窗，连绵不绝的风景在眼角回荡，浮华的尘世中，我看见的是一个又一个才华横溢的芸芸众生，站在世界的舞台上放飞梦想，绽放属于自己的耀眼光芒。
记忆的窗外，一位孤独的年轻画家，为了放飞梦想而不懈奋斗。他来到堪萨斯谋生，却尝试到了失败的苦闷。他只能住在废旧的车库中，看不见一丝希望，只有一只老鼠，默默地陪伴他度过艰难的时光。终于，梦想的曙光透过大门的缝隙折射进了他孤独的心，但他却没能捕捉这一线希望。在失败中，他悲痛、绝望，开始怀疑自己是否有那所谓的`才华。就在他走投无路的时候，突然想起了车库里的老鼠，灵感在那个黑暗的夜晚闪现出一道耀眼的光芒。于是，他创作出了最伟大的卡通动物形象——米老鼠。
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Distinguished leaders, dear teachers and classmates
Good morning, I'm WangYifan from class 25, grade 2 . Today, my topic is "join hands to enhance physical fitness and prevent spring diseases".
Spring is coming, the temperature is gradually warm, and a variety of common epidemic diseases are quietly coming, as the saying goes "health is the source of revolution" only a healthy body can support our high strength of learning, so I today share about spring disease prevention knowledge
There are three main types of infectious diseases that occur frequently in schools
One is influenza, one is chicken pox, and the other is mumps. Influenza is a respiratory disease caused by influenza virus, which is highly infectious and often accompanied by fever, Varicella is an acute infectious disease caused by varicella zoster virus Mumps is a respiratory disease caused by the mumps virus, which often breaks out in schools and public places。All three diseases are transmitted by respiratory tract，if we prevent rightly these diseases can avoid.
How can we prevent these infectious diseases?
First of all, we should develop good health habits, Wash your hands and take a bath frequently, open Windows frequently, drink more water and eat more fruits to supplement vitamin c . Spray and mop the floor to avoid raising dust into the mouth and nose, pay attention to keep warm, often exercise. Exercise is especially important
Physical exercise is an important way of improving the quality of our body, we should conscientiously do gymnastics, second, to make full use of the recess ten minutes, don't always sleep in the classroom, gooutside.and take a breath of fresh air, we can also make full use of before and after school in the afternoon free time to do morning reading in the morning, for outdoor exercise.
Let us join hands to enhance physical fitness, work together to do a good job in spring disease prevention!
That's all for my speech。Thank you for listening.