审题指南针:本次习作为练习写说明性文章。你可以选择一种物品介绍给大家,如蔬菜、水果、玩具、文具或电器等。在习作之前,通过观察、参观、访问、阅读说明书等方式,尽可能多地了解这种物品,然后再想一想,可以从哪些方面、按照怎样的顺序来介绍,能用上哪些说明方法。举例来说,在介绍自己熟知的植物时,可以从我们的多处感官入手:看到的 Scrutiny Compass: This essay is written as an excerpt. You can choose an item to introduce to everyone, such as vegetables, fruits, toys, stationery or appliances. Before you start your work, learn as much as you like about the item by observing, visiting, visiting, reading the instruction manual, and then think about ways in which you can describe what you can do and how you can use it. For example, in introducing our well-known plants, we can start with our multiple senses: see