北京市第六十六中学2026-2027学年第一学期期中质量检测八年级数学试题

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北京市第六十六中学2026—2027学年第一学期期中质量检测

初二数学

试卷说明:

1.本试卷共三道大题,共6页.

2.卷面满分100分,考试时间100分钟.

3.试题答案一律在答题纸上作答,在试卷上作答无效.

一、选择题(每小题2分,共16分)

1. 数学和物理联系紧密,在下列物理图例中,是轴对称图形的是(     )

A.砝码 B.正弦波 C.二极管 D.衰减器

2.下列计算正确的是(     )

A.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 B.

C.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 D.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

3.在平面直角坐标系中,点关于轴对称的点的坐标为(     )

A.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 B. C. D.

4.下列长度的三条线段,能组成三角形的是(     )

A.,, B.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,,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 C.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,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,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 D.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,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,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

5.如图所示,小敏做了一个角平分仪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,其中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,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.将仪器上的点与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的顶点重合,调整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和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,使它们分别落在角的两边上,过点,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画一条射线,就是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的平分线。此角平分仪的画图原理是:根据仪器结构,可得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,这样就有eqWmf183GmgAAAAAAACAKAAIBCQAAAAAwVgEACQAAA4MBAAACAKQAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAIAAiAKCwAAACYGDwAMAE1hdGhUeXBlAABQABIAAAAmBg8AGgD/////AAAQAAAAwP///8b////gCQAAxgEAAAUAAAAJAgAAAAIFAAAAFAJgAVoBHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///+Yza8CfEOed0AAAAAEAAAALQEAABAAAAAyCgAAAAAGAAAAUUFFUEFFFAEOAZYD2AAOAQADBQAAABQCYAE0ABwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbABNAAAKAGgtuAf+////mM2vAnxDnndAAAAABAAAAC0BAQAEAAAA8AEAAAwAAAAyCgAAAAADAAAA0D3QcJIEJgEAA6QAAAAmBg8APQFBcHBzTUZDQwEAFgEAABYBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECBIYgItACAIFRAAIAgUEAAgCBRQACBIY9AD0CBIYgItACAIFQAAIAgUEAAgCBRQAAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQB4tACKBQAACgCSC2Z4kgtmeLQAigV4168CBAAAAC0BAAAEAAAA8AEBAAMAAAAAAA==.这两个三角形全等的依据是(     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A. B. C. D.

6.如图,是三位同学的折纸示意图,则线段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依次是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的(     )

A.角平分线、高线、中线 B.高线、中线、角平分线

C.中线、角平分线、高线 D.角平分线、中线、高线

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已知eqWmf183GmgAAAAAAAEAFoAECCQAAAADzWgEACQAAA3IBAAACAJkAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAUAFCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///8b///8ABQAAZgEAAAUAAAAJAgAAAAIFAAAAFAJgAToAHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///+Yza8CfEOed0AAAAAEAAAALQEAAA0AAAAyCgAAAAAEAAAAQkUxMvwATALAAAADBQAAABQCYAGAAhwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbABWAAAKAKgzuAf+////mM2vAnxDnndAAAAABAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAAPQAAA5kAAAAmBg8AJwFBcHBzTUZDQwEAAAEAAAABAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIFCAAIAgUUAAgSGPQA9AgCIMQACAIgyAAAAAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCEAAHAAAAAAC8AgAAAIYBAgIiU3lzdGVtACq0AIoFAAAKAJ8LZiqfC2YqtACKBXjXrwIEAAAALQEAAAQAAADwAQEAAwAAAAAA,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中eqWmf183GmgAAAAAAAIACoAECCQAAAAAzXQEACQAAAzUBAAACAJEAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAYACCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///8b///9AAgAAZgEAAAUAAAAJAgAAAAIFAAAAFAJgAToAHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///+Yza8CfEOed0AAAAAEAAAALQEAAAoAAAAyCgAAAAACAAAAQUUOAQADkQAAACYGDwAXAUFwcHNNRkNDAQDwAAAA8AAAAERlc2lnbiBTY2llbmNlLCBJbmMuAAUBAAcERFNNVDcAARNXaW5BbGxCYXNpY0NvZGVQYWdlcwARBVRpbWVzIE5ldyBSb21hbgARA1N5bWJvbAARBUNvdXJpZXIgTmV3ABEETVQgRXh0cmEAE1dpbkFsbENvZGVQYWdlcwARBsvOzOUAEgAIIS8n8l8hjyEvR19BUPIfHkFQ9BUPQQD0RfQl9I9CX0EA9BAPQ19BAPIfIKXyCiX0jyH0EA9BAPQPSPQX9I9BAPIaX0RfRfRfRfRfQQ8MAQABAAECAgICAAIAAQEBAAMAAQAEAAUACgEAEAAAAAAAAAAPAQIAgUEAAgCBRQAAAAEKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQAAtACKBQAACgCsC2ZFrAtmRbQAigV4168CBAAAAC0BAQAEAAAA8AEAAAMAAAAAAA==边上的高为4,则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中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边上的高为(     )

A. B. C. D.

8.如图,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中,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、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的角平分线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、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交于点eqWmf183GmgAAAAAAAGABoAECCQAAAADTXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAWABCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///8b///8gAQAAZgEAAAUAAAAJAgAAAAIFAAAAF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②eqWmf183GmgAAAAAAACAOwAEBCQAAAADwUQEACQAAA5gBAAACALEAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAASAOCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8b////gDQAAhgEAAAUAAAAJAgAAAAIFAAAAFAJgAVoBHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///+Yza8CfEOed0AAAAAEAAAALQEAABUAAAAyCgAAAAAJAAAAQUJDQVBDMTgwAA4B/AB4Aw4B2ABYAsAAwAAAAwUAAAAUAmABNAAcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAfQAACgCIMLgH/v///5jNrwJ8Q553QAAAAAQAAAAtAQEABAAAAPABAAAPAAAAMgoAAAAABQAAANAr0D2wAG4EFAFiBEIDAAOxAAAAJgYPAFgBQXBwc01GQ0MBADEBAAAxAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgSGICLQAgCBQQACAIFCAAIAgUMAAgSGKwArAgSGICLQAgCBQQACAIFQAAIAgUMAAgSGPQA9AgCIMQACAIg4AAIAiDAAAgSGsACwAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQButACKBQAACgCwC2ZusAtmbrQAigV4168CBAAAAC0BAAAEAAAA8AEBAAMAAAAAAA==;
③若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于点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,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于点,则eqWmf183GmgAAAAAAAOAJwAEBCQAAAAAwVgEACQAAA34BAAACAKEAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAeAJCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8b///+gCQAAhgEAAAUAAAAJAgAAAAIFAAAAFAJgAToAHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///+Yza8CfEOed0AAAAAEAAAALQEAABAAAAAyCgAAAAAGAAAAQU1DTkFDDgGyAgIBoAIOAQADBQAAABQCYAHmAhwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbABgAAAKAKgzuAf+////mM2vAnxDnndAAAAABAAAAC0BAQAEAAAA8AEAAAoAAAAyCgAAAAACAAAAKz2KAwADoQAAACYGDwA3AUFwcHNNRkNDAQAQAQAAEAEAAERlc2lnbiBTY2llbmNlLCBJbmMuAAUBAAcERFNNVDcAARNXaW5BbGxCYXNpY0NvZGVQYWdlcwARBVRpbWVzIE5ldyBSb21hbgARA1N5bWJvbAARBUNvdXJpZXIgTmV3ABEETVQgRXh0cmEAE1dpbkFsbENvZGVQYWdlcwARBsvOzOUAEgAIIS8n8l8hjyEvR19BUPIfHkFQ9BUPQQD0RfQl9I9CX0EA9BAPQ19BAPIfIKXyCiX0jyH0EA9BAPQPSPQX9I9BAPIaX0RfRfRfRfRfQQ8MAQABAAECAgICAAIAAQEBAAMAAQAEAAUACgEAEAAAAAAAAAAPAQIAgUEAAgCBTQACBIYrACsCAIFDAAIAgU4AAgSGPQA9AgCBQQACAIFDAAAABwoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCEAAHAAAAAAC8AgAAAIYBAgIiU3lzdGVtAAe0AIoFAAAKAKgLZgeoC2YHtACKBXjXrwIEAAAALQEAAAQAAADwAQEAAwAAAAAA;
④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.
其中所有正确的选项为(     )

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A.①②③ B.②③④ C.①③④ D.①③

二、填空题(每小题2分,共16分)

9.计算: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                        .

10.若等腰三角形的两条边长分别为和,则它的周长是                        .

11.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.

12.如果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,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,那么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的值为                        .

13.如图,已知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,请再添加一个条件                        ,使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.(无需添加任何辅助线或点)

14.如图,在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中,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,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垂直平分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于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,交于eqWmf183GmgAAAAAAAKABoAEDCQAAAAASXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAaABCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///8b///9gAQAAZgEAAAUAAAAJAgAAAAIFAAAAFAJgAToAHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///+Yza8CfEOed0AAAAAEAAAALQEAAAkAAAAyCgAAAAABAAAARAAAA44AAAAmBg8AEgFBcHBzTUZD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15.如图,已知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的周长是10,,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分别平分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和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,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于eqWmf183GmgAAAAAAAKABoAEDCQAAAAASXgEACQAAAzEBAAACAI4AAAA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16.如图,在平面直角坐标系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中,点eqWmf183GmgAAAAAAAOAEgAICCQAAAABzWAEACQAAA9wBAAACAKQAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAuAECwAAACYGDwAMAE1hdGhUeXBlAABwABIAAAAmBg8AGgD/////AAAQAAAAwP///6j///+gBAAAKAIAAAUAAAAJAgAAAAIFAAAAFAK8AX4BHAAAAPsCBf7jAAAAAACQAQAAAAEAAgAQU3ltYm9sAEEAAAoAiDC4B/7///8A0a8CfEOed0AAAAAEAAAALQEAAAkAAAAyCgAAAAABAAAAKAAAAAUAAAAUArwBIgQcAAAA+wIF/uMAAAAAAJABAAAAAQACABBTeW1ib2wAZwAACgDoM7gH/v///wDRrwJ8Q553QAAAAAQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAACkLAAAFAAAAFAKgAToAHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAP7///+Yza8CfEOed0AAAAAEAAAALQEAAAQAAADwAQEADQAAADIKAAAAAAQAAABBMiyg4gG6AGAAGAAcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4A/v///5jNrwJ8Q553QAAAAAQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAADAAAAOkAAAAJgYPAD0BQXBwc01GQ0MBABYBAAAWAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgCBQQADAAEDAA8AAQAPAQIAiDIAAgCCLAACAIKgAAIAiDAAAAIAligAAgCWKQAAAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIQAAcAAAAAALwCAAAAhgECAiJTeXN0ZW0ABrQAigUAAAoAQAtmBkALZga0AIoFeNevAgQAAAAtAQAABAAAAPABAQADAAAAAAA=,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,点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在第一象限,以为边作等腰直角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number 2

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