文体感知
本单元的写作任务是写一封关于健康生活方式的信，内容包括健康生活方式的介绍及其意义等。其基本架构：
增分佳句
首段：点明写信的目的
1．Learning that you are worried about your health, I'd like to write to tell you something about how to keep healthy.
得知你担心自己的健康，我想写信告诉你关于如何保持健康的事情。
2．I'm writing to tell you how to live a healthy life.
我写信想告诉你如何过健康的生活。
中段：具体介绍如何过健康的生活
1．It would be a good idea if we could take meals regularly and slowly.
如果我们可以有规律地、慢慢地吃饭，这会是个好主意。
2．Eating lots of fresh vegetables and fruit means a lot to our body.
多吃新鲜蔬菜和水果对我们的身体很有好处。
