互动封闭仿真课堂1、智能交互 2、电子板书式视频教学 3、5分钟一次互动问答 4、封闭课堂
Almost every day，we discuss the topic of health，especially for kids. But what is health?“Health” means eating well，getting enough exercise，and having a healthy weight. Let's read the following rules. They can help you stay healthy.
(1)Eat a variety of food，especially fruit and vegetables. We all know that eating fruit and vegetables can help us stay healthy，but many of us only eat our favorite food. Remember that we can only get the nutrition(营养)we need by eating different kinds of food，especially fruit and vegetables.