Mathematical simulation test paper (20)
Note to candidates:
1. This volume ***6 pages, 5 major questions ***26 minor questions, full marks 130. The exam is a closed book and the exam time is 90 minutes.
2. Think calmly and check carefully when answering questions. I wish you good grades!
The total score of the topic is one two three four five.
17 18 19 20 2 1 22 23 24 25 26
score
A, multiple-choice questions (3 points per question, ***30 points. Fill in the blanks in the table below with the serial number of the answer you think is correct.
The title is 1 23455 6789 10.
answer
The arithmetic square root of 1 is ()
A B C D
2, the value of 2sin is equal to ()
A 1 B C D 2
3. In the following playing cards, there is a () in the central symmetrical figure.
A B C D
4. The math teacher made a statistical analysis of Xiaoming's five math simulation exams before the middle school entrance examination to judge whether Xiaoming's math scores were stable, so the teacher needed to know Xiaoming's five math scores ().
Mean or median variance or range pattern or frequency pattern
5. The correct representation of the solution set of the unary linear inequality group on the number axis is ().
A B C D
6. If one root of the quadratic equation of X (A- 1) x2+X+A2- 1 = 0 is 0, then the value of A is ().
A 1B- 1C 1 or-1D
7. As shown in the figure, l 1 reflects the relationship between sales revenue and sales volume of a company, and l2 reflects the relationship between sales revenue and sales volume.
When the company is profitable (income), the relationship between the sales cost and the sales volume of the company's products.
More than cost), sales ()
A is less than 3 tons, B is more than 3 tons, C is less than 4 tons, and D is more than 4 tons.
8. Among the following functional relationships, the inverse proportional function where y is x is ().
A B xy=-6 C x+y=6 D y=-6x2
9. As shown in the figure, a classmate broke a triangular piece of glass into three pieces, and now he wants to go to a glass shop to match an identical piece of glass, so the most convenient way is ().
A belt ① goes to B belt ② goes to C belt ③ goes to D belt ① and ② goes.
10, Xiaohong came out for a walk from home. As the picture shows, she describes the functional relationship between the distance from home s(m) and the walking time t(min). According to the image, the following description conforms to Xiaohong's walking situation ().
A set out from home, went to a public newspaper column, read the newspaper for a while, and then went home.
B set out from home and went to a newspaper column. After reading the newspaper for a while, he walked on for a while and then went home.
C Start from home, go straight (non-stop), and then go home.
D set out from home and walked for a while to find his classmates. It took 18 minutes to return to 123.
Question 7 Question 9 Question 10
II. Fill in the blanks (5 small questions in this big question, 3 points for each small question, *** 18 points)
1 1 、 =
12. As shown in the figure, the square represented by the letter A has an area of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
13, there are 50 students in a class in the adaptive exam, and the frequency of the score interval from 90 to 100 is 0. 1, so there are _ _ _ _ _ _ students in this class.
14, there is a square table in the school reading room, which can seat four people. If there are more than four people, put the square tables in a row, and put two square tables in a row to seat six people (as shown in the picture). Fill in the blanks in the following table according to this regulation:
Number of tables in a row 1 23...n
Number 4 6 8? ……
15, estimated size
Question 14, question 12
Three problem solving (direct answer in the paper, necessary problem solving steps, 6 points for each small question, 30 points for * * *).
16, solve the equation 17,
18, as shown in the figure, in □ABCD, e and f are points on CD and AB respectively, and DE=BF. When EAF= =, AEC = _ _ _ _ _ _ _ _, is the quadrilateral AECF a parallelogram? Why?
19. in the picture below, circle it with the capital letter n. 20. Please design a question.
The vertex of the edge rotates clockwise, creating a scene and making things happen.
The probability of rotating mode is 25%
4. Answer the questions (answer directly on the test paper, with necessary problem-solving steps, 2 1, 8 points for 22 questions, 9 points for 23 questions and 24 questions, and 34 points for * * *).
2 1. Draw the front view of the quadrangular prism below.
Figure, left view and top view
22. A comprehensive practical activity group from Class Two, Grade Three went to supermarkets A and B to investigate the sales during May Day last year and this year. The picture below shows the communication between Xiao Min and two other students after the investigation. According to their conversation, please calculate the sales of supermarket A and supermarket B during May Day this year.
23. Draw the image of the function on the grid paper and answer the following questions.
(1) when x =-2, y = _ _ _ _ _ _ _ _
(2) when x