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时间:2017-12-22
《七年级数学相交线与平行线拔高练习》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、七年级数学相交线与平行线拔高练习一、单选题(共8道,每道15分)1.如图,下列说法错误的是() A.∠1和∠3是同位角 B.∠2和∠3是内错角 C.∠A和∠B是同旁内角 D.∠2和∠B是同位角 2.下列图中∠1和∠2是同位角的是() A.⑴、⑵、⑶ B.⑵、⑶、⑷ C.⑶、⑷、⑸ D.⑴、⑵、⑸ 3.如图2,下列条件中不能判断直线l1∥l2的是() A.∠1=∠3 B.∠2=∠3 C.∠4=∠5 D.∠2+∠4=180° 4.如图,已知直线a、b被直线c所截,a∥b,∠1=130°,则∠2=() 第4页共4页A.130° B.50° C.40° D.60° 5.如图3
2、,直线l1∥l2,则∠α=() A.100° B.110° C.120° D.130° 6.如图所示,点在的延长线上,下列条件中能判断的是() A. B. C. D. 7.将一直角三角板与两边平行的纸条如图4放置,下列结论:(1)∠1=∠2;(2)∠3=∠4;(3)∠2+∠4=90°;(4)∠4+∠5=180°,其中正确的个数是() 第4页共4页A.1 B.2 C.3 D.4 8.如图5,AD⊥BC,EF⊥BC,∠1=∠C,下列结论正确的是()①DG//AC;②AD//EF;③∠1=∠2;④∠2=∠4. A.①② B.①②③ C.①②④ D.①②③④ *Jg&6a*C
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