The cold is our most common disease. Millions of people suffer discomfort from one or more colds each year. The cause of this illness is a virus. But as yet no cure has been found. It is believed that rest and liquids help our bodies fight this virus. 感冒是最常见的疾病。数以百万计的人每年遭受一次或几次感冒带来的不适。这种疾病是由病毒引起，但治愈的方法至今未被发现。人们相信休息和大量饮水会帮助我们的身体抵抗这种病毒。 编辑推荐：2009年下半年公共英语考试报名汇总 名师指导公共英语阅读考试技巧 公共英语pets三级全真模拟试卷 公共英语pets二级语法讲解汇总