(2014•锦州)如图,直线a∥b,射线DC与直线a相交于点C,过点D作DE⊥b于点E,已知∠1=25°,则∠2的度数为( )

A.115° B.125° C.155° D.165°
(2014•陕西)如图,AB∥CD,∠A=45°,∠C=28°,则∠AEC的大小为( )

A.17° B.62° C.63° D.73°
(2014•常德)如图,已知AC∥BD,∠CAE=30°,∠DBE=45°,则∠AEB等于( )

A.30° B.45° C.60° D.75°
(2014•南通)如图,∠1=40°,如果CD∥BE,那么∠B的度数为( )

A.160° B.140° C.60° D.50°
(2014•淮安)如图,直解三角板的直角顶点落在直尺边上,若∠1=56°,则∠2的度数为( )

A.56° B.44° C.34° D.28°
(2014•德州)如图,AD是∠EAC的平分线,AD∥BC,∠B=30°,则∠C为( )

A.30° B.60° C.80° D.120°
