题目内容：

写作

请以It is _______________to use a computer为题写一篇小短文, 步骤与要点如下：

1. 确定主题、补全标题, 并在文中说明原因；

2. 围绕主题, 进行叙述；

3. 讲述一段与主题有关的故事或经历。

参考词汇：useful; interesting; helpful; important; necessary; harmful; useless; bad

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