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2020年安徽省初中学业水平考试历史试题历史试题(开卷)注意事项1.历史试卷满分70分,历史、道德与法治的考试时间共120分钟。2.本试卷包括“试題卷”和“答题
历史试题(开卷)注意事项:1.历史试卷满分70分,历史、道德与法治的考试时间共120分钟。2.本试卷包括“试题卷”和“答题卷”两部分,“试题卷”共4页,“答题卷
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化学(三)参考答案1~5ADACD6~10BDDBB11~14ACDC1.A【解析】略。2.D【解析】A.Al³+与S²⁻发生双水解反应;B.酸性溶液中SiO2
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