作者在第2段中说“有美的远方,有丑的远方”,从全文角度谈谈你对“美的远方,丑的远方”的认识。
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听力原文:What annoyed me most about parents is their inability to say "No". As a result children are allowed to decide for themselves what they want to do and when to do it. What they need is their parents' time, which seems to be in increasingly short supply.
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变电所电磁环境预测时,在没有可供使用的推荐预测计算模型时,应采取什么方法,该方法应用时,对象的选择原则是什么?