根据您提供的信息，2013年考研英语大作文的主题涉及了毕业后的选择、社会现象、环境问题等多个方面。以下是一些相关的作文模板和范文解析，供您参考：
作文模板
模板一（分类一）
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As is vividly/symbolically depicted in the picture/cartoon, we can notice that _____. Through the thought-provoking illustration, the drawer aims to point out that attention has to be paid to _____. （解释现象，一两句话足矣）
There is no telling how our future will precisely be if we allow this phenomenon continue as it is, however, absolutely will it be a prospect horrifies everyone. By that time, social stability will on the edge of precipice. So to sum up, it is imperative for us to envisage realities and take effective measures before the situation turns from bad to worse.
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模板二（图表作文）
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The chart gives us an overall picture of the _____. The first thing we notice is that _____. This means that as _____. We can see from _____.
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模板三（图画作文）
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It seems to me that the cartoonist is sending a message about _____, which is _____. He seems to be saying that _____. In my opinion, _____. This simple picture is a wake up call for _____. Therefore, it is imperative for us to take drastic measures to put an end to _____.
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范文解析
范文一
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Write an essay of 160-200 words based on the following drawing. In your essay, you should 1） describe the drawing briefly, 2） interpret its intended meaning, and 3） give your comments.
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范文二
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The picture above describes a boy squatting there and very confused. Before a lot of choices, struggle, entrepreneurship, study, hardworking, abandon and so on, what should he choose？ He is so upset and depressed. The picture above does reveal certain social phenomenon, that is, a lot of graduates do not know what they can do after graduating from the _____.
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写作建议
描述图片：
简要描述图画内容，注意使用抽象或具体描述。
解释含义：
阐述图画背后的意图和想要传达的信息。
给出评论：
结合自己的观点，对图画内容进行评价或提出看法。
注意事项
确保作文内容紧扣图画或图表所展示的主题。
使用恰当的语言和句式，保持文章流畅。
注意文章结构和逻辑的清晰性。
希望这些信息对您准备2013年考研英语大作文有所帮助。