First, multiple-choice questions (this big question * * 10 small questions, 3 points for each small question, 30 points for * * *)
The title is 1 23455 6789 10.
Answer B C C D D A C B B A
II. Fill in the blanks (5 small questions in this big question, 3 points for each small question, *** 15 points)
The title is112131415.
Answer1/31/(m-3) AC = BD 55 7
Iii. Answering questions (There are 7 questions in this big question, of which 16 and 17 have 6 points; 18 7 points; 19 and 20 questions 8 points; 2 1, 22 questions each 10, ***55 points)
16、-3/2
17、2
18, (1) omitted; (2)
19、( 1) 100,0.05; (2) ellipsis; (3)500; (4) Omission
20、( 1) 155,200; (2) 10,4900。
2 1、( 1) ; (2) ; (3) Four points:
22、( 1)(0,4); (2) Prompt, find the length of OG, and get og: oc = om: ob; (3)3/5
Academic Examination of Shenzhen Junior High School Graduates in 2006
Mathematics Test
Note: 1. The whole volume is divided into Volume I and Volume II, with a total of 8 pages. The first volume is multiple choice, and the second volume is non-multiple choice.
90 minutes in 100.
2. Before answering the question, please fill in the name, candidate number, subject code, examination room number and seat number on the answer sheet; Write the examination room, room number, seat number, examinee number and name on the sealed line of Book II. Do not make any marks on the answer sheet and test paper.
3. The first volume of multiple-choice questions (1- 10), after choosing the answer to each question, write the corresponding question on the answer sheet with 2B pencil.
The answer label is blacked out. If you need to change it, clean it with an eraser and choose another answer. If the answer is written in the first volume, no extra points will be given. The answer (1 1-22) to the non-multiple choice questions in volume 2 must be written in the designated position of the topic in volume 2.
After the exam, please return the test paper and the answer sheet together.
The first volume (multiple choice questions, ***30 points)
First, multiple-choice questions (this big question * * 10 small questions, 3 points for each small question, 30 points for * * *)
Each question gives four answers, only one of which is correct. Please use 2B pencil to erase the corresponding answer label on the answer sheet.
The absolute value of 1 -3 equals
A. the third century BC.
2. As shown in figure 1, the top view of the cylinder is
Figure 1 A B C D
3. During the period of1-May this year, the accumulated local general budget revenue of Shenzhen is 216.58 million yuan, and the data is accurate to 216.58 million yuan.
A. Billion quantile
4. In the following figure, the axis symmetry is
A B C D
5. The solution set of the following inequality groups is represented on the number axis, as shown in Figure 2.
A.B.
Figure 2
6. In order to know the students' study at home on Saturday and Sunday, the head teacher visited six students in the class and got to know their situation.
The study time at home is shown in the following table. The learning styles and average learning time of these six students are as follows
A.4 hours and 4.5 hours
Student name Xiaoli Xiaoming Xiaoying Xiaohua Xiaole Shawn
Learning time
(Hours) 4 6 3 4 5 8
B.4.5 hours and 4 hours
C.4 hours and 3.5 hours
D.3.5 hours and 4 hours
7. The image of this function is shown in Figure 3, so the image of this function is roughly as follows.
Figure 3 A B C D
8. Several students from Grade Three took a group photo as a souvenir. It is understood that it costs 0.80 yuan to develop a negative and 0.35 yuan to develop a photo. On the premise that each student gets a photo and uses a negative, the average money is less than that of 0.5 yuan. What about the number of students taking a group photo?
A.b. At least 6 people C. At most 5 people D. At least 5 people
9. As shown in Figure 4, when Wang Hua walked from B to C under the street lamp A at night, she measured
The length of the shadow disc is 1 m. Go straight ahead for 3 meters and measure it when you get to E.
The length of the shadow EF is 2 meters, and it is known that the height of Wang Hua is 1.5 meters, then
Height AB of street lamp a is equal to
4.5 m B.6 m
C.7.2 D.8m
Figure 4
10. as shown in figure 5, in □ABCD, AB: AD = 3:2, ∠ ADB = 60,
Then the value of cosA is equal to
A.B.
C.D.
Figure 5
Academic Examination of Shenzhen Junior High School Graduates in 2006
Math test
title
No.23
1 1~ 15 16 17 18 19 20 2 1 22
get
minute
The second volume (multiple choice questions, ***70 points)
Scoring reviewer
II. Fill in the blanks (5 small questions in this big question, 3 points for each small question, *** 15 points)
Please fill in the answer under the corresponding question number in the answer sheet 1, otherwise you will not get extra points.
Answer sheet 1
The title is112131415.
Answer a question.
1 1. A shopping mall launched a lucky draw during May Day. There are two red and white table tennis balls in the lucky draw box, except for the color. When customers draw prizes, they draw two balls at a time. If the two balls are the same color, he wins, but if the colors are different, he wins. Then the probability of winning the prize is that the customer touched the prize once.
12. Simplify:
13. As shown in Figure 6, in the quadrilateral ABCD,
Diagonal AC and BD intersect at O-point. If no letters and auxiliary words are added,
Help lines need to be added in order to make the quadrilateral ABCD square.
On one condition. Figure 6
14. There are 9 steps at the side door of People's Park, and Can Cong only climbs 1 or 2 steps at a time. Xiao Cong found that when the number of steps is 1, 2, 3, 4, 5, 6, 7, ... gradually increases, and the number of different ways of climbing stairs is 65438+.
15. In △ABC, AB = 3, AB=6, BC+AC=8, and the median line CD=3, then the area of △ABC is.
Iii. Answering questions (There are 7 questions in this big question, of which 16 and 17 have 6 points; 18 7 points; 19 and 20 questions 8 points; 2 1, 22 questions each 10, ***55 points)