life knowledge_150字

　　I am sorry to tell you that my vocal cords are not very good. I was surprised when I heard the news. I am very unhappy, because I can“t speak. I can“t open my mouth. My throat feels dry. It“s very uncomfortable. So in the summer, children should drink plenty of water is not a cold. Should not blow too much air conditioning in the summer, to maintain the indoor air circulation. Especially in the spring, it should be two times a week to engage in health.