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用GPC造句子,“GPC”造句
DETERMINATIONOFMOLECULARWEIGHTDISTRIBUTIONOFPOLY(1,4-PHENYLENETEREPHTHALAMIDE)BYGPCRockeryisdividedintothreekinds,reallystonerockery,waterclaystonerockeryandGPCplasticrockerystone.Gaschromatography-tr...
如图,AB、CD、EF、MN均为直线,∠2=∠3=70°,∠GPC=80°,GH平分∠MGB,则∠1=(  )...
问题详情:如图,AB、CD、EF、MN均为直线,∠2=∠3=70°,∠GPC=80°,GH平分∠MGB,则∠1=()A.35°  B.40°   C.45°  D.50°【回答】D【考点】平行线的判定与*质.【分析】根据平行线的判定得出AB∥CD,根据平行线的*质得出∠BGP=...
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