用典，就是引用古籍中的故事来表达要表达的思想。实际上是修辞手法(汉语的修辞手法有70多种)，但习惯上称之为表现手法。如象征、联想、想象等都是修辞手法，我们习惯上都称其为表现手法，因为表现手法是母概念，包括艺术手法和修辞手法。

本题引导学生关注引用的益处，应细读品味，结合诗文内容并联系上下文考虑。 参考答案引用的诗文从不同方面，不同角度对我国石拱桥作了生动的说明，增强了文章的生动性，富有文采。

The Benefits of Reading Ancient Books

China has a long history and culture Thousands of history have made a lots of famous writers and poets, and have spread the numerous classics

As Frances Bacon said,“ Histories make men wise; poets witty; the mathematics subtile; natural philosophy deep; moral grave; logic and rhetoric able to contend Abeunt studia in morse ”"Knowledge is power“

When I was a child, I recited a lot of famous poems and books “Three-Character Classic”“ The Analects” etc clasic works be catchy when reading , and take us fresh and elegant feeling; also make an artistic conception and be memorable

After growing up, "A Dream in Red Mansions " “The Romance of the Three Kingdoms ”“Journey to the West” "Heroes of the Marshes" etc four famous novels take us a lot of interesting story

Ancient books have a multiple meanings and useful method, such as in military book "Master Sun's Art of War", many people from ancient to modern times use the method from the book

I like reading, like reading ancient books I like to play in the sea of books and to follow their ancestors footsteps, and understand the life true meaning!