1.摆脱词汇表与练习题的束缚 现在许多学生为了应付国家四、六级考试，大部分时间用来背四、六级单词
大自然为我们提供了多种方式的资源。几乎所有的事情在我们的日常生活中，我们使用来自大自然。我们吃的
I do feel sad after read the news about a girl w
When you ask the people around you, what is the
Beautiful landscapes, exotic cultures and a rela
December 25 is Christmas Day, the day is origina
Hello, everyone! May I have your attention, plea
People always believe that fresh water will not
