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最佳答案:Last night, were you sleep.The light is still on.
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最佳答案:昨天夜里下了一场大雨.昨天夜里是一天的一小段时间,不能说“下了一天”.
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最佳答案:it was rainy very heavy=it rained heavily
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最佳答案:一场秋雨一场寒.
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最佳答案:1.I'd like him to help with my study.2.Lihua likes learning English most.3.He di
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最佳答案:氨氮会被氧化生成NO-,继续氧化生成NO2-,因此水体中的氨氮会消耗溶氧量.如果是养鱼,那么应该是非离子氨的影响.非离子氨浓度随氨氮浓度升高而升高,且pH值是非
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最佳答案:1one time a week 2twice a month 3three times a week 4last night 5few days ago 6l