定语从句是高中学生都感到难学的一个知识点，同时它又是高考的一个考点，一个热点。定语从句在英语中使用非常广泛。我们平时阅读英语文章时经常碰到定语从句，尤其在高三英语课本中...
German academics claimed that they've solved the mystery behind the identity of Mona Lisa For centuries, her smile is fascinated and intrigued. And the real identity of the Mona Lisa --a Leonardo da Vinci's famous painting, has also been a mystery....
