暑假复习专题练习:相交线与平行线 2025-2026学年人教版 数学七年级下册

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暑假复习专题:相交线与平行线-2025-2026学年数学七年级下册人教版(2024)

 

一、单选题

1.下列图形中,eqIdd5b69d40b75d582c4b8ffa2369af1d41与eqId9d57899ad4774aed9ccc7bd23db72153是对顶角的是(     )

A.@@@4a8a8292-a4d2-4505-8ac1-6abed9e7d05e B.@@@14b9bdc3-cfe8-4510-a518-aa79ffdf129b

C.@@@8280012d-5a2c-43c7-8fb1-a36143524480 D.@@@29fdd3fc-a9b8-428b-b7f1-ff263764090d

2.如图,直线eqId03902478df1a55bc99703210bccab910,eqId0dc5c9827dfd0be5a9c85962d6ccbfb1相交于点eqId1dde8112e8eb968fd042418dd632759e,eqIda1fd42bbccc4e56c556da8d11387064b,若eqId01c0b7fa87d78fc5466872ac825f379f,则eqId9fed1f57a835af4e9022e27603d12d31的度数是(     )

@@@c96106bb-e1a1-4b2c-bd69-e9088bb38809

A.eqId27ef3e89c37d21fd86537bee7c57b053 B.eqId2813f38ca14f3fe9b50b83c635193586 C.eqId2f9496e5f6d9b65b67c5c106ef30d6e3 D.eqId6ee6e9272380b8f02c3f1e6eb3e97036

3.如图,直线eqId2bc8444d63d1ca92651c62fe9b220859,在线段eqIdf52a58fbaf4fea03567e88a9f0f6e37e,eqId60ef95894ceebaf236170e8832dcf7e3,eqId03902478df1a55bc99703210bccab910,eqId4eedae8d316c76e3d0b451256de03fb9中,最短的是(     )

@@@2a96020f-715c-4f67-a1cf-48741e24ae9a

A.线段eqIdf52a58fbaf4fea03567e88a9f0f6e37e B.线段eqId60ef95894ceebaf236170e8832dcf7e3 C.线段eqId03902478df1a55bc99703210bccab910 D.线段eqId4eedae8d316c76e3d0b451256de03fb9

4.下列说法正确的是(     )

A.相等的角是对顶角

B.过一点有且只有一条直线与已知直线垂直

C.如果两条直线被第三条直线所截,那么同位角相等

D.直线外一点与直线上各点连接的所有线段中,垂线段最短

5.如图,能判断直线eqId02e03566282ef39ad17821036f228174的条件是(     )page number 0

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@@@ad646964-bc48-46eb-b620-f4f28ee49d95

A.eqId0e53497af8899cb299d762f1a4f46a55 B.eqIde0bd8869f34219e7fbe5a9b8842667c1 C.eqId1d1717b5311ed602f1730e86d9322647 D.eqIdba02910a01689f636c71116e96dfdf33

6.如图,在eqId15c0dbe3c080c4c4636c64803e5c1f76中,eqId65fc998d33cdf37c272f79cfd64b7b99,将eqId15c0dbe3c080c4c4636c64803e5c1f76沿eqId0dc5c9827dfd0be5a9c85962d6ccbfb1所在直线向右平移,所得到的对应图形为eqId72cb97395ebc5ee1b212afb7a97b985c.若eqId620bc4cfb53594c834b9afcbc3de516a,则平移的距离是(     )

@@@540f1a37-9f12-49ce-a694-ba90d9612b2b

A.3 B.4.5 C.6 D.9

7.如图是一个物理实验的截面示意图,其中eqIdb79dd200766db27fb90d6bd1992cf658与eqIde1ffb98f1e3c1317c0db403d3af04bdc表示互相平行的墙面,绳子eqId5d385f60d35804535c78ae45fe4e4501一端与木杆eqIdaed613af6e4b2b5db7fd4029dd6d1629的一端相连,另一端点eqId2a30f3a8b673cc28bd90c50cf1a35281固定在墙面eqIdb79dd200766db27fb90d6bd1992cf658上,若eqIdfa42b28b58a0ec20d6f9e38a3e63a8e6,eqId6f9ea0a706c50b19ac412736b9238012,则eqIda6b31d9741093bbfd9701d033eedc149的度数为(    )

@@@9bef705f-6217-42c1-8275-50f0aa9a025b

A.eqId0aee6e4e9350a2665df8597ff8045bbd B.eqIdb31a14bd2a972f43d7a26a99589ad083 C.eqIdf6b86c22b670a8e9f3896f9e8883fbbb D.eqIdd36581140ebac5d28438ea63b1b23b65

8.铅锤是中国传统木工师傅检测施工是否合理的一种常见工具.如图,这是施工中的截面示意图,eqId03902478df1a55bc99703210bccab910为横梁,eqId0dc5c9827dfd0be5a9c85962d6ccbfb1为地面,eqIde6e490f703eb6c9bb1278c78ebc2d661为铅锤,其中eqId4adf90a8c2b29334cdc5aa5b554991f9,eqIdd8225b3e02f5a9f1fd5a09ada650cb78.若eqIde45ea4688dfb35ddaa0b35d563431154,则eqIde7d19f963f7c803bcfcbb265ec6d4304的度数为(     )

@@@ccb1b4fc-7e7e-4fa3-b4e0-cd40e0d72480

A.eqIdbdb0aa8a61380228e285f3b5c7b74c47 B.eqId0aee6e4e9350a2665df8597ff8045bbd C.eqId16aa0b9869db50a9ab48cc32925d8e96 D.eqId391479c151307826c9765a47a5f10503

9.如图,eqIdb0fff774b4b0087a6f304ce930d359be,eqId1384d0a02d097ac7aa8a19e8da6f9767的角平分线eqIdabf80148409afb32ced0b4f59f1ba709的反向延长线和eqId2cfc2771aa0d5b97d2297f8a26a6f6b1的角平分线eqId274cf35acb4a1748d15c39d15a9bea7b交于点eqIda0ed1ec316bc54c37c4286c208f55667,eqIda690d5eddf0620c59a2a17fbc3219041,则eqIdb871a762469393cdd22f15aa49ebb8f9的度数为(     )page number 1

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@@@57d9bb01-a292-48b8-9c4a-218ff75fe8f1

A.eqIdc3ad1b0a76a887783392268ae203ad22 B.eqId5bdafa4105ef855dfbcff3be2e049d96 C.eqId5511a89c160d515716f514c7f9041f91 D.eqIdf7a0387fc1258f31e44a10068c0ccfd0

10.如图,当光线从空气斜射入水中时,光线的传播方向发生了变化,这种现象叫作光的折射.一束光线沿eqId03902478df1a55bc99703210bccab910斜射入水面,在点eqId7f9e8449aad35c5d840a3395ea86df6d处发生折射,沿eqId0dc5c9827dfd0be5a9c85962d6ccbfb1方向射入水中.如果eqIda59dd14ad75d7414b1628d066e290fac,eqId2e70bdeb3155393d509c97c3b5eeb36f,那么光的传播方向改变了(     )

@@@515332c1-2241-449b-acc5-8d66aff9493e

A.eqIdd36581140ebac5d28438ea63b1b23b65 B.eqId97f38acaaa4d4110b7ca927fdf7a8b6c C.eqIdd67fb3a5779c6785ce4caeb4e2db6d26 D.eqId37ce270dc393605896e5b9d5f5ebebd0

 

二、填空题

11.把命题“对顶角相等”改写成“如果……那么……”的形式________.

12.如图所示,eqIdb4c49921b66ea888ff14e9ac9a2ee9d7,eqId03902478df1a55bc99703210bccab910平分eqId21b28f28ced0531d1df34fcf04c6c67f,则eqId868ff1350bd72625328c85c3097cd85e的度数是___________.

@@@212b89cc-38ff-4f8e-a7db-a9602dd32ade

13.小亮在探究平行线的作法时,发现可以利用两个相同的直角三角尺画平行线,如图是小亮画平行线a,b的作法,则小亮这样画的依据是___________________________.

@@@e21e4aaa-f3c3-407f-8d1c-c109cb9445ff

14.结合光学反射原理和巧妙的结构设计,汽车的反光罩可以将从灯源处发出的光线反射后,平行射出.如图,入射光线eqIdef4113c492885ba7c47fe42ac792578f与反光罩的交点为eqId5963abe8f421bd99a2aaa94831a951e9,经反光罩反射后沿eqIdf52a58fbaf4fea03567e88a9f0f6e37e射出,且eqIdc0d3e0ae605bd0e18af759747676cafc.若一入射光线eqId683c590673eece14fea3319c4fd5eb55与反光罩交点为eqId8455657dde27aabe6adb7b188e031c11,经反光罩反射后沿eqIde6e490f703eb6c9bb1278c78ebc2d661射出,当eqIdedb60a06b8300677902a459807cbef0b,eqIdf970b2e57fe5a3dc0600d03b1cfdc7f3时,eqId42e7b8a59f8d66176463f3d71f882a26的度数为________.page number 2

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