以下是高中英语作文中常用的高级句型分类整理，结合权威资料整理而成，供高考作文写作参考：
一、 引出观点/现象
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It is well known that...（众所周知）
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As we all know...（我们都知道）
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The message conveyed in the picture is that...（图片传达的信息是）
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As is vividly shown in the picture...（图片生动展示了）
二、 原因分析
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The reason why... is not far to seek...（原因不难寻找）
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There are various reasons accounting for...（有多种原因导致）
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It can be said with certainty that...（可以肯定地说）
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Given the evidence, it is evident that...（根据证据，显而易见）
三、 结论与建议
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From what has been discussed above, we may conclude that...（我们得出结论）
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Taking into account all factors, we can safely conclude that...（考虑所有因素，我们得出结论）
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It is imperative that...（我们迫切需要）
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Therefore, we should...（我们应该...）
四、 强调与转折
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There is no denying that...（不可否认）
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It goes without saying that...（不用说）
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However, the difficulty lies in...（难点在于）
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On the contrary, we should...（相反，我们应该...）
五、 时间与条件
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Hardly had I set foot in the hall when...（我刚走进大厅就...）
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Only if you try hard can you make it...（只有努力才能成功）
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By doing..., we can...（通过做...，我们可以...）
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In conclusion, we should...（我们应该...）
六、 修辞手法
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It can be said with certainty that...（可肯定）
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It goes without saying that...（不用说）
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There is no denying that...（不可否认）
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As is often the case...（通常情况是）
这些句型覆盖了作文中常见的逻辑结构，建议结合具体语境灵活运用。写作时注意使用多样化的句式，避免重复，可有效提升文章的逻辑性和说服力。