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2023-2024学年度高三开学七校联考化学答案第1页共2页2023—2024学年度高三开学七校联考化学答案1234567891011121314BACBDCCDACDCBD15．【答案】14分每空2分（1）623d4s（2）+3+2+222Fe+3MnO+12H=2Fe+3Mn+6HO（3）-6-1110molL×⋅（4）33acb⋅草酸钪沉淀转化为可溶性络合物（5）()22423ScCOHO⋅()32242232Δ2ScCO+3O2ScO+12CO16．15分【答案】（1）()()()()2232COg+3HgCHOHg+HOg-1AΔH=-0.19NeVmol⋅（2分）（2）I（2分）...

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2023-2024学年度高三开学七校联考数学答案第1页共4页2023—2024学年度高三开学七校联考数学答案1．������2．������3．������4．������5．������6．������7．������8．������9．������������10．������������������11．������������������12．������������13．(−2,0]14．36015．3+2√2216．1017．解：(1)当������=0时，������={������|−3<������<0}，������={������|������2−2������−8>0}={������|������<−2或������>4}，所以∁������������={������|−2≤������≤4}，所以������∪(∁������������)={������|−3<������≤4}．………………………………5分(2)由题意得������≠，所以������−3<2������，即������>...

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2023-2024学年度高三开学七校联考英语答案第1页共7页2023—2024学年度高三开学七校联考英语答案听力：1-5AACAA6-10BCBAC11-15BCBBC16-20CAABC阅读：21-23BCC24-27ACDC28-31CDBB32-35BDAD36.F37．G38．B39．D40．E完型：41-45CBDAB46-50CAACA51-55DDCBD填空：56.hasfetched57.arousing58.which59.economic60.crowded61.eagerly62.told63.the64.awareness65.for参考范文应用文写作Robotshav...

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