1．說明文是以說明為主要表達方式，用簡潔明了的語言來解釋說明事物，闡明事理，從而給讀者提供知識的一種文體。 2．在高考書面表達中，其主要命題形式為圖表式作文，有時也以圖畫式和提綱式作文來呈現寫作材料。 3．它要求語言簡明扼要，通俗易懂，說明過程講究層次性和條理性。 4．這種文體通常用第三人稱，時態以一般現在時為主。 【常用素材】 一、結構模板 _____is a most effective _____to ____(點明要介紹事物的必要性)． For most people, it's almost impossible to___(介紹某事物對多數人的重要意義). _____is really _____(該事物的優勢或顯著特點)．With the functions of _____， it enables us to_____(該事物的作用)．It can even _____(進一步說明該事物的作用)．Just imagine, all this can be done with_____(說明該事物的重要性)． A convenient tool can certainly ____， but it doesn't always help____(承上啟下，介紹事物的另一方面)．Too much _____(該事物的負面影響一). Too many _____(該事物的負面影響二) .Relying too much on ______makes_____(總結說明過分使用該物品給我們帶來的負面影響)．

　　二、必備句型 1. It plays an increasingly important role in life. 2. It is of great benefit to us. 3. It has more disadvantages than advantages. 4. Some changes have taken place in the past five years. 5. This is a phenomenon that many people are interested in. 6．From what has been mentioned above, we can come to the conclusion that... 7. Last but not least, more and more people prefer to enjoy modern life. 8. We have good reasons to believe that... 9. However, everything divides into two. 10. Therefore, we must take some effective measures to solve it. [寫作要求] (2010年高考湖北卷)請你根據以下提示，結合生活中的一個事例，用英語寫一篇短文，談談微笑的作用。 The best example of universally understood body language may be the smile.A smile can help us get through difficult situations and find friends in a world of strangers.A smile can open doors and tear down walls. 注意：(1)無須寫標題；

　　(2)內容只需涉及一個方面；

　　(3)詞數為100左右。 ___________________________ [佳作背誦] No body language can be more attractive/ fascinating than smiling.Not only can a beautiful smile make ourselves happy, but also it enables others to feel delighted.Sometimes when a smile is so powerful that it gives people suffering from disasters great courage. A little boy named Lang Zheng, for instance, impressed and encouraged a great many people when a serious earthquake happened in Wen Chuan/over took Wen Chuan.Right after he was rescued by the soldiers from the ruins, he saluted and smiled to them.His smile was like sunshine which warmed people who were in sadness. It is safe/ no exaggeration to say that without smile our life would be colorless and difficult.It is suggested that we smile as much as possible.

　　1．說明文是以說明為主要表達方式，用簡潔明了的語言來解釋說明事物，闡明事理，從而給讀者提供知識的一種文體。 2．在高考書面表達中，其主要命題形式為圖表式作文，有時也以圖畫式和提綱式作文來呈現寫作材料。 3．它要求語言簡明扼要，通俗易懂，說明過程講究層次性和條理性。 4．這種文體通常用第三人稱，時態以一般現在時為主。 【常用素材】 一、結構模板 _____is a most effective _____to ____(點明要介紹事物的必要性)． For most people, it's almost impossible to___(介紹某事物對多數人的重要意義). _____is really _____(該事物的優勢或顯著特點)．With the functions of _____， it enables us to_____(該事物的作用)．It can even _____(進一步說明該事物的作用)．Just imagine, all this can be done with_____(說明該事物的重要性)． A convenient tool can certainly ____， but it doesn't always help____(承上啟下，介紹事物的另一方面)．Too much _____(該事物的負面影響一). Too many _____(該事物的負面影響二) .Relying too much on ______makes_____(總結說明過分使用該物品給我們帶來的負面影響)．

　　二、必備句型 1. It plays an increasingly important role in life. 2. It is of great benefit to us. 3. It has more disadvantages than advantages. 4. Some changes have taken place in the past five years. 5. This is a phenomenon that many people are interested in. 6．From what has been mentioned above, we can come to the conclusion that... 7. Last but not least, more and more people prefer to enjoy modern life. 8. We have good reasons to believe that... 9. However, everything divides into two. 10. Therefore, we must take some effective measures to solve it. [寫作要求] (2010年高考湖北卷)請你根據以下提示，結合生活中的一個事例，用英語寫一篇短文，談談微笑的作用。 The best example of universally understood body language may be the smile.A smile can help us get through difficult situations and find friends in a world of strangers.A smile can open doors and tear down walls. 注意：(1)無須寫標題；

　　(2)內容只需涉及一個方面；

　　(3)詞數為100左右。 ___________________________ [佳作背誦] No body language can be more attractive/ fascinating than smiling.Not only can a beautiful smile make ourselves happy, but also it enables others to feel delighted.Sometimes when a smile is so powerful that it gives people suffering from disasters great courage. A little boy named Lang Zheng, for instance, impressed and encouraged a great many people when a serious earthquake happened in Wen Chuan/over took Wen Chuan.Right after he was rescued by the soldiers from the ruins, he saluted and smiled to them.His smile was like sunshine which warmed people who were in sadness. It is safe/ no exaggeration to say that without smile our life would be colorless and difficult.It is suggested that we smile as much as possible.