// 核心逻辑：弹出栈中≤当前元素的所有值（这些值无法成为左侧元素的「更大值」）
每個虛構詞都對應到特定的物體。使用這類稱為「偽詞」（pseudowords）的方式，能讓研究者公平比較學習成果，因為學生無法依靠任何既有知識。
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Urgent cases are being defined as any patient whose symptoms suggest they need treatment to start the same day or where there is a risk of deterioration if they aren't assessed, such as a child with a high fever and a rash, or a frail older person who has suddenly become confused.，推荐阅读WPS官方版本下载获取更多信息
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