四川省绵阳东辰学校2025-2026学年七年级下学期期中数学试卷

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2026年春季初2025级定时训练(二)

数学资料(时间:90分钟)

A卷

一、选择题(共12小题)

1.下列各组运动项目图标,将其中一个图形只经过平移就能得到另一个图形的是(     )

A.  B.

C.  D.

2.5的算术平方根是(     )

A.5 B. C. D.

3.若,则下列不等式中,正确的是(     )

A.  B.

C.  D..

4.如图,点O在直线上,,若,平分,则(     )

A. B. C. D.

5.数学知识时刻都在应用,比如跳远运动中的成绩问题,如图,有三名同学甲、乙、丙在同一起跳点P处起跳后的落地脚跟为A,B,C,现在只能有两名同学可以参加比赛,不借助其他测量工具,仅仅根据图形和基本数学原理即可确定人选,这里用到的数学原理是(     )

page number 0

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A.过两点有且只有一条直线

B.两点之间,线段最短

C.过一点有且只有一条直线与已知直线垂直

D.垂线段最短

6.如图,点E在BC的延长线上,对于给出的四个条件:①;②;③;④.其中能判断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的是(     )

A.①② B.①④ C.①③ D.②④

7.已知是二元一次方程的一组解,则m的值为(     )

A. B.1 C. D.2

8.一学员在广场上练习驾驶汽车,两次拐弯后,行驶的方向与原来的方向相同,这两次拐弯的角度可能是(     )

A.第一次向左拐,第二次向右拐 B.第一次向右拐,第二次向左拐

C.第一次向右拐,第二次向右拐 D.第一次向左拐,第二次向左拐

9.满足的整数x有(     )

A.3个 B.4个 C.5个 D.6个

10.我国明代数学家程大位(1533-1606)所著《算法统宗》中记录了“二果问价”问题:九百九十九文钱,甜果苦果买一千,甜果九十一文,苦果七个四文钱.试问甜苦果各几个?其大意是:用九百九十九文钱共买了一千个苦果和甜果,已知十一文钱可以买九个甜果,四文钱可以买七个苦果,那么苦果、甜果各买了多少个?设苦果有个,甜果有个,则可列二元一次方程组为(     )

A.  B.

C.  D.

11.若的解都能使的不等式成立,则的取值范围是(     )

A.  B.page number 1

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C.  D.

12.如图,点在延长线上,,交于点,且,,比的余角小,为线段上一动点,为上一点,且满足,为的平分线.下列结论:①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;②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;③平分;④;⑤.其中是正确结论的有(     )个

A.2 B.3 C.4 D.5

二、填空题(共6小题)

13.若,,,则__________.

14.如图,直尺和三角板摆放在课桌面上,直尺的边缘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,三角板中角的顶点在上,直角顶点在上,三角板与直尺边缘形成的,则__________.

15.如图,在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中,,,把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沿射线平移至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处,与交于点.若,,则图中阴影部分的面积为__________.

16.为了更好的开展大课间活动,某班级计划购买跳绳和呼啦圈两种体育用品,已知一个跳绳8元,一个呼啦圈12元.准备用120元钱全部用于购买这两种体育用品(两种都要买且钱全部用完),则该班级的购买方案有__________种.

17.把一些书分给几名同学,如果每人分3本,那么余6本;如果前面的每名同学分5本,那么最后一人可以分到书本但不足3本,这些书有__________本.page number 2

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