在考研英语的备考过程中，写作部分一直是考生们最为关注和重视的环节之一。尤其是对于英语一和英语二的考生来说，写作不仅考察语言表达能力，还涉及逻辑思维、词汇运用以及语法结构的掌握程度。2018年的考研英语写作题目，延续了历年来的命题风格，既注重实用性，也强调思辨性。

以2018年英语一的大作文为例，题目要求根据一幅漫画写一篇议论文，主题是“网络购物的利与弊”。这道题目的设置，贴近现实生活，能够引发考生的思考。在写作过程中，考生需要首先准确理解图画内容，然后结合自己的观点进行分析，最后提出合理的建议或结论。

以下是这篇作文的范文：

The Impact of Online Shopping on Our Lives

In recent years, online shopping has become an essential part of daily life. The given cartoon vividly depicts a young man sitting in front of his computer, happily buying various products, while a pile of boxes is piled up behind him. This scene reflects the growing popularity of e-commerce and its increasing influence on people’s consumption habits.

While online shopping offers convenience and a wide range of choices, it also brings about certain problems. On the one hand, it saves time and effort, allowing consumers to shop anytime and anywhere. Moreover, it provides access to global products that may not be available locally. However, on the other hand, excessive shopping can lead to financial waste and even psychological dependence. Some people may fall into the trap of impulse buying, which can negatively affect their personal finances and mental health.

To make the most of online shopping, we should develop a rational attitude toward it. It is important to set a budget and avoid unnecessary purchases. Additionally, consumers should be cautious when choosing online platforms and protect their personal information from being misused.

In conclusion, online shopping is a double-edged sword. If used wisely, it can bring great convenience to our lives. But if abused, it may cause serious consequences. Therefore, we should learn to balance the benefits and risks of this modern lifestyle.

总之，2018年的考研英语写作题目为考生提供了一个展示自己英语综合能力的机会。通过认真审题、合理构思、规范表达，考生完全可以在写作部分取得优异的成绩。