所以考试落实到位,尤其是考后的分析、总结、补短板做得好,那么对学习的促进是无疑的。
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如第 6 章所述,光诱导的电子转移可以分为两种情况:电子供体的激发和电子受体的激发,表示为 D*+A → D+•+A−• → D+A+hν(D 将激发态电子转移到 A 的 LUMO,接着电子从 A 的 LUMO 回到 D 的基态轨道而发光)和 D+A* —→ D+•+A−• → D+A+hν(A 被激发后,D 将 HOMO 电子转移到 A 的 HOMO 或空穴,接着处于 A 激发态电子跃迁至 D 的 HOMO 而发光)。
即使是纳入中考、高考的听说考试,依然难度不高,训练得当,一般都皆大喜欢。
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所以说,就我们家的情况,考剑桥考试,主要目的就是为了方便比较和以考促学。
(每个级别具体的备考时间投入,建议大伙儿去小花生上多找一下经验贴,在此不赘述了)。
如果以上这三个考试理由都不是你的“菜”,都不对你的“胃口”,那么,剑桥确实可以不用考。毕竟考它,也是要花钱、花时间的。
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通过这两年的备考实际经历来看,我觉得这个并不是一句空话,除了拿到证、简历好看之外,还有学习上的实际意义。
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越是高阶,越是专项,越是短板,让有经验的老师来指导一下,提高还是有的。
知乎,让每一次点击都充满意义 —— 欢迎来到知乎,发现问题背后的世界。
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