Seventh grade mathematics examination paper 2007.2

(Full score:150; Examination time: 120)

[Foreword: Hello, dear classmates! You have been in junior high school for one semester. Congratulations on growing up with the new curriculum. I believe that you have mastered many new mathematical knowledge and methods on the basis of the original, and become smarter. You must be able to apply mathematics to solve practical problems. Now let's walk into the examination room together and give full play to your intelligence. Success must belong to you! ]

Title One Two Three Total Integral and Integral

1~ 10 1 1~20 2 1 22 23 24 25 26 27 28

score

Scoring reviewer

1. Multiple-choice questions (each question has one and only one correct answer, please fill in the letter before the answer you think is correct in the corresponding space in the table below, with 3 points for each question, counting 30 points).

The title is 1 23455 6789 10.

Answer a question.

The absolute value of 1 be

A.- 3rd century BC.

2. The following calculation is correct

A.B. C. D。

3. Which of the following statements about the monomial is correct?

A. The coefficient is 3 and the degree is 2 b. The coefficient is 2 and the degree is 2.

C. the coefficient is, the degree is 3 d, the coefficient is, and the degree is 3.

4. Rotate the lower right trapezoid around a straight line to get the three-dimensional figure on the right.

5. The positions of rational numbers A and B on the number axis are shown in the figure.

Then the following kinds of mistakes are

A.b