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如图,直线AB、CD相交于点E,DF∥AB.若∠D=70°,则∠CEB等于( )...
如图,直线AB、CD相交于点E,DF∥AB.若∠D=70°,则∠CEB等于( )
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A.70°
B.80°
C.90°
D.110°
考点分析:
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