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发表于:2019-07-24
问题详情: 阅读下列材料,回答有关问题。(12分)材料一:海*(seaice)指直接由海水冻结而成的咸水*。淡水结*温度为0°C,海水结*温度为-4°C。2011年春节期间,受到30年不遇的持续低温影响,渤海沿岸...
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发表于:2021-03-28
问题详情: Overthepastdecades,seaice_____intheArcticasaresultofglobalwarming. A.haddecreased B.decreased C.hasbeendecreasingD.isdecreasing【回答】C知...
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发表于:2019-12-29
问题详情:Inthelast20years,seaice intheArcticbecauseofglobalwarming.A.haddecreasedB.decreased C.hasbeendecreasingD.isdecreasing【回答】C知识点:动词时...