People's education printing plate seventh grade mathematics midterm examination paper

Mid-term examination questions in the second volume of the seventh grade of mathematics

(Full score:100; Examination time: 100 minutes)

1. Multiple choice questions (Only one of the four options given in each of the following questions is correct. Please put a letter before the correct option in the corresponding brackets. Note that you can solve the multiple-choice questions in front of you in various ways! 2× 12=24 points)

1, the point (-7,0) is in ()

A, b, c, d, d on the positive and negative axes.

2, the following equation belongs to the binary linear equation is ()

A, B, C, D,

3. It is known that point P is located on the right side of the axis, 3 unit lengths off the axis and 4 unit lengths above the axis, so the coordinate of point P is ().

a 、( 3，4) B 、( 4，3) C 、( 4，3) D 、( 3，4)

4. Of the three line segments with the following lengths connected end to end, the one that can form a triangle is ().

a、4cm 3cm 5cm B、 1cm 2cm 3cm C、25cm 12cm 1 1cm D、2cm 2cm 4cm

5, the solution of binary linear equations is ()

A, B, C, D,

6, with a batch of exactly the same polygon floor tile floor, can't mosaic is ()

A, regular triangle b, square c, regular pentagon d, regular hexagon

7. It is known that the three internal angles ∠A∠B∠C of Δ Δ ABC satisfy the relation ∠B+∠C=3∠A, then this triangle ().

A, there must be an internal angle of 45 and an internal angle of 60.

C, it must be a right triangle D, it must be an obtuse triangle.

8. As shown in the figure, in a 4×4 square grid, ∠ 1, ∠2, ∠3.

The size relationship of is ()