青海省西宁市第一中学2026-2027学年七年级上学期11月期中数学试题

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西宁市第一中学七年级期中测试数学学科试卷

考试时长:90分钟 满分:100分

一、选择题(本大题共8小题,每小题3分,共24分.每小题只有一个选项符合题目要求)

1.下列各图中,是数轴的是(     )

A.   B.

C.   D.

2.在,,,,中,负数的个数为(     )

A.   B.   C.   D.

3.下列各组数中,相等的一组是(     )

A.与   B.与

C.与   D.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与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

4.已知代数式与是同类项,那么、的值分别是(     )

A.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,   B.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,

C.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,eqWmf183GmgAAAAAAACAEwAEBCQAAAADwWwEACQAAA6QBAAACAJwAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAASAECwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8b////gAwAAhgEAAAUAAAAJAgAAAAIFAAAAFAJgATQDHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuABjOUwDA7Ft3iJBhd4sLXHcEAAAALQEAAAkAAAAyCgAAAAABAAAAMXkAAwUAAAAUAmABOgAcAAAA+wKA/gAAAAAAAJABAQAAAAACABBUaW1lcyBOZXcgUm9tYW4AGM5TAMDsW3eIkGF3iwtcdwQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAAG55AAMFAAAAFAJgAVQBHAAAAPsCgP4AAAAAAACQAQAAAAEAAgAQU3ltYm9sIFRpZ2VyAAAAABjOUwDA7Ft3iJBhd4sLXHcEAAAALQEAAAQAAADwAQEACgAAADIKAAAAAAIAAAA9LSABAAOcAAAAJgYPAC0BQXBwc01GQ0MBAAYBAAAGAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwxEU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEDU3ltYm9sIFRpZ2VyABEFQ291cmllciBOZXcAEQRFdWNsaWQgRXh0cmEAE1dpbkFsbENvZGVQYWdlcwARBsvOzOUAEgAIIS9Fj0QvQVD0EA9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA9I9F9CpfSPSPQQD0EA9A9I9Bf0j0EA9BKl9EX0X0X0X0X0EPDAEAAQABAgICAwADAAEBAQAEAAEABQAGAAoBAAIAg24AAgSGPQA9AgSGEiItAgCIMQAAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQB3swaKAgAACgAGAAAAMBdmbbMGigKLC1x3BAAAAC0BAQAEAAAA8AEAAAMAAAAAAA==   D.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,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

5.年全国普通高校毕业生规模预计达.其中“”用科学记数法表示为(     )

A.    B.

C.    D.

6.已知多项式,下列说法错误的是(     )

A.它是四次五项式   B.三次项是

C.常数项是   D.二次项系数是

7.下列各选项中的两个量成反比例关系的是(     )

A.加工一批服装,已完成部分和剩余部分

B.计划用元购买荧光笔和中性笔,荧光笔的费用与中性笔的费用

C.长方体的体积一定,它的底面积和高

D.小明每小时可以制作朵小红花,他制作的小红花朵数与制作时间

8.我国著名数学家华罗庚说过:“数缺形时少直观,形少数时难入微”,数轴完美地将“数”和“形”结合起来.如图,数轴上表示数,的点如图所示,把,,,按照从小到大的顺序排列,正确的是(     )page number 0

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