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发表于:2020-04-30
问题详情:下列有关说法不正确的是 ( )A.水合铜离子的模型如图*所示,1个水合铜离子中有4个配位键B.CaF2晶体的晶胞如图乙所示,每个CaF2晶胞平均占有4个Ca2+C.H原子的电子云图如图*所...
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发表于:2020-12-29
问题详情:CaféHubNexttotheCastleliesTheHub,homeoftheEdinburghInternationalFestivalandoneofthemosttalkedaboutspotsintown.Ourcaféisopeneverydayformouthwateringlunches,sna...
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发表于:2018-07-09
ResearchesonCAFAutoIndustrySupplierSourcingandCapabilityDevelopment;CAFNanjingofferscompetitivesalarystructureandoverseastrainingopportunities.ResearchandDesignofCAFTOOLS...
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发表于:2019-11-01
问题详情:根据右图,下列有关说法不正确的是()A.水合铜离子的模型如图1所示,1个水合铜离子中有4个配位键B.CaF2晶体的晶胞如图2所示,每个CaF2晶胞平均占有4个Ca2+C.H原子的电子云图如图3所示,H原...
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发表于:2021-01-27
问题详情:如图,在△ABC中,AB=AC,∠C=70°,△AB′C′与△ABC关于直线EF对称,∠CAF=10°,连接BB′,则∠ABB′的度数是( )A.30° B.35° C.40° D.45°【回答】C【分析】利用轴对称图形的...