的说明文-高中英语写作.ppt

* Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 说明文是用简洁的文字介绍事物的特性、构造、变化或结果的文章。高考中，说明文常见的话题有：产品介绍、地点描述、方位描写、变化分析、购物指南和操作说明等。写作这类文章需注意以下几点： Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 1. 首先要读题审题，弄清需要介绍的内容，把握信息要点，不可遗漏也不能添加。 2. 写作内容要条理清楚，层次分明。说明科技方面的内容常用定义法、比较对比法、分类法和因果法等；说明自然环境方面的内容常用时空次序法与分类法等。 3. 时态常用一般现在时，当然若是介绍其历史时，要用一般过去时；语态可能用到被动语态；若是介绍地点环境等，要善于运用there be结构。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 30. 自动售货机的介绍 你应邀为一家生产自动售货机的厂家编写自动售货机的英语介绍。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. [写作内容] 请根据以下中文提纲，编写一篇自动售货机的英语介绍： 功能：可卖各种商品，如像汽水之类的冷饮、咖啡之类的热饮、糖果、各种入场券、报纸以及各种小玩意儿等。 工作原理：顾客向自动售货机里投硬币、按一下按键就可以得到所购商品。 优点：省时、方便；无需工作人员；昼夜服务 缺点：所售商品价钱稍高。 参考词汇：自动售货机 vending machine Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Vending machines sell many different types of items, such as cold drinks like soda, hot drinks like coffee, candy, tickets, newspaper, and other types of small things. When the customer puts a coin into the machine and then pushes a button, he will get the merchandise he wants. Vending machines are convenient and can save time for customers. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. What’s more, no workers are needed, so vending machines can be used at any time of day or night. However, the prices of the items sold by vending machines are usually a little higher. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011