What is the beauty of timbre?

1. Make a right-angle bracket as shown in the figure with an equilateral angle steel, and the most reasonable one is (a).

The back of Liu Bing's wooden armchair was damaged irretrievably. Saw and file.

3. The following are non-standard parts: B. Rivets.

4. The automatic dimming system can't reflect the environmental adaptability. A. it can automatically adjust the light according to the indoor brightness change.

5. Large chemical plants have high energy consumption and large sewage discharge. Develop new technologies with low energy consumption.

6. As shown in the picture, it is a garbage can that can be automatically opened and closed by infrared induction. A. Cover

7. The basic stress form of structural parts is tensile force, and a. Tensile force refers to the tensile force borne by objects.

8. After the development of polypropylene materials, B. New materials provide a broader development space for the design.

Fuwa is the mascot of Beijing 2008 Olympic Games. The design needs continuous improvement.

10. "Dujiangyan" is a world-famous water conservancy project, C. Process optimization

1 1. As shown in the figure, it is a model and belongs to the D. display model.

12. it is clear that the technical problems to be solved in the design do not include a. judging whether the problem is worth solving.

13. The picture shows the front view and top view of a part. From the front view and the top view, (c)

14. The following dimensions are marked incorrectly (b)

15.c. Technical drawings when putting forward the design scheme of complex products, and giving a detailed description and presentation of the design.

16. Products are manufactured, transported and used. C product design does not need to consider greenhouse gas emissions during use.

17. The picture shows a small folding table in Wang Kai. C. the bracket on the desktop can be used to put textbooks.

18. For columns and walls of shed structure, D. Quality of beam

19. The picture shows the reconstructed Shanghai Waibaidu Bridge D, which has high cultural value.

19 For the four bridges as shown in the figure, (b) the bridge part is a frame structure (truss structure).

20. In daily life, the position of the center of gravity is an important factor to determine the stability of the structure. Bicycle support frame.

2 1. Design a portable outdoor activity, a. Fold the stainless steel cup.

22. The following idiom is (d), which cannot reflect the idea of process.

24. The following statement is correct: C. The current withdrawal process is realized due to the adoption of a computer management system.

25. The production process of a wool mill is shown in the figure. If the product is unqualified, C. production.

26. The process and time for a general technical team to make a desk lamp is: C. 4 hours to buy electrical components.

27. Wang Kai used metal processing tools to process the round steel shown in Figure A into the workpiece shown in Figure B(D).

28. What can't reflect the systematic idea in the following idioms is (c).

29. The picture shows the agricultural greenhouse. A. Security surveillance camera

30. If you want to convert this solar flashlight into camping supplies, (a) A.① ② ④

3 1. Computers do any work, C. Synthesis principle

32 "Shadow Play" C. "Rabbit", thin line

A car is different from a truck, B. Forward and backward.

34 When reading data from a disk drive (schematic structure is shown in Figure A), B. Closed-loop control

Fang Qingnian, the inventor, is an "integrated electronic control thin-walled electric pressure cooker". A. invention improves one's own quality, and technology can protect people.

The General Office of the State Council issued the Notice on Restricting the Production, Sales and Use of Plastic Shopping Bags. C. Technology and nature

At the beginning of the invention, the electric shaver was very big. A. design is an important driving force for technological development.

With the development of modern electronic technology, especially computer technology, the development of technology provides conditions for design innovation.

Miss Li bought a bottle of facial cleanser with whitening effect. A. The user's reading needs are not fully considered in the manual.

40. The function-cost ratio is an important indicator in the principle of economics, and (c) the function is increased on the premise that the price remains unchanged.

Xiao Ming found that when his mother opened the lid of the soup pot, D observed daily life.

Xiao Ming needs a thin steel tube to make a desk lamp bracket.

36. Drilling holes in the steel plate, the operation process is that the position of line A is not accurate.

37. Li Ming designed a chair for the old man. A. According to the design purpose, invite the elderly in nursing homes to try and record their feelings and suggestions.

38. An iron foot of Xiaolan coffee table is broken, and (a) it is welded.

39. The general flow of the process is correct. A. 1 153246

40. Fan Zhongyan's "Worry about the world first, (c) c.① ④"

4 1. Among the following technical drawings, the one that meets the requirements of mechanical processing drawing is (D).

42. At the bottom of the electric kettle, a. Increase the heating area.

43. Among the following options, (b) the doors and windows of the classroom belong to the frame structure.

44. The tightrope walker holds a long stick in his hand in order to (b) lower the center of gravity.

45. The bracketplant support frame adopts a triangular support structure, with a shape of (B).

46. As shown in the figure, parts are processed with thin steel plates, and the following processing flow is reasonable (B)

B scribing → sawing → drilling → filing

47. After long-term practice, (b). Technical optimization of ancient Chinese medicine.

48. The following figure is the flow chart of potato sowing. The following statement is correct (a).

49. Regarding the flow chart of rice planting and production, the correct one is (b).

50. The following figure shows the optimized milk powder production process flow chart, (a)

5 1. Xiaoming's father adopted the interplanting mode of "wheat, cotton, melon and potato" according to local conditions (1) system optimization.

52. The optimization of the system is under certain conditions. B. In order to improve the yield of bamboo shoots and the planting density of bamboo.

53. In the past, the design of circuit diagrams was all drawn by hand, which was cumbersome and error-prone. A. the development of technology provides conditions for design innovation.

54. Among many principles that should be followed in technical design, (d) the principle of technical standardization.

55. In the control process of people playing with puppets (as shown in the figure), the control object is (c) puppets.

56. Xiaoming designed a robot.

57. The car body is made of all metal materials, D.432 1.

58. When winter comes, a notice is posted on the bulletin board of the prediction test of living area (B).

59. The following does not belong to the model is (d) Nanjing Yangtze River Bridge.

60. After purchasing products, there will be corresponding product descriptions, (d) to enable users to repair the products themselves.

6 1. Which of the following is not the process (c) of Coca-Cola's production formula?

62. In the process of design and production, in order to reduce the production cost, (1) the state gives parts a unified standard code.

63. In the metalworking process, carry gloves for drilling (A) to prevent drilling debris from hurting fingers.

64. The following is not technical language (b) traffic management.

65. The figure shows the front view, top view and some dimensions of the desk lamp. The desk lamp is round (C)φ 120.

66. The design of the following products, from the perspective of ergonomics, (d) the airbag of the car can reduce the injury to people in the event of an accident.

67. Lin Li evaluated the simple clothes rack designed and manufactured by Xiao Huang. A. it takes time to make clothes hangers.

68. The structure as shown in the figure bears the vertical downward force. F. B.AB Choose a rope with sufficient strength.

69. As shown in the figure, what does not belong to the shell structure is (c).

70. Xiaoming helped his father choose a flower pot rack and saw that there were four kinds of flower pot racks (D) on the market.

7 1. The whole process of milk powder production has five small processes, (a)

72. Which of the following examples does not reflect the application of process in life B. The big clock on the roof

73. When using the pressure cooker, steam should be released before opening the lid. The time of any process can be changed.

74. There is no ticket on the bus, C. This can optimize the process and save time.

75.(c) Environmental adaptability of aircraft flying in the air.

76. The significance of system optimization (1). Get the best benefit or function of the system.

77. if the solar flashlight is optimized, C.① ② ③.

78. The following figure is the block diagram of the automatic water level control system of the water tank. (1) The automatic water level control system of the water tank is closed-loop control.

79. In air conditioning, automatic flag raising and lowering, light-controlled street lamps, music fountains, C. light-controlled street lamps

80. The working process of automobile airbag control system is (d) gas generator.

8 1. solid-state laser video display technology has broad application prospects. (c) Technology needs continuous improvement.

82. The main driving forces for the emergence and development of technology are (c) human needs and aspirations.

83. Using advanced nanotechnology, (c) scientific inquiry activities.

84./kloc-Zhou Hao, a 0/8-year-old senior three student, found that there was "water-injected meat" in the market (D) and went through all the above links.

85. Different models have different functions at different stages, which are mainly used to study various properties of products. B. Functional model

86. Qian Dandan is going to design a shelf that can rotate 360 for his home. D. The base should be designed in a round shape to facilitate rotation.

87. Wang Kai is going to make an iron gate for her yard with iron pipes. (4)

88. In the general technology class, the teacher asked the students to design and make a clothes hanger (as shown in the picture) and (b).

89. On June 4th, 2007, 14, the Ministry of Information Industry released the technical specification principle of the new mobile phone charger C.

90. Generally speaking, the probability of a car accident is the lowest. C. white cars

9 1. It is known that the drawing scale of machining drawing is d.84 mm.

92. As shown in the picture, there is a bucket of unopened instant noodles on the desktop, and the top view is (c).

93. The picture shows a baby dining chair made of recycled paper. The use of recycled paper conforms to the principle of sustainable development.

94. Tongguling in the east of Hainan Island a) The boulder is stable.

95. The performance of materials should be tested before production and construction. D. A and B in the figure 1 are the same kind of wood. This test is a comparative test of shear strength of materials.

96. There are different bicycle models with different performances in the bicycle family. C. the structure of the car

97. When the sports meeting is held, when the athletes make a big loop posture on the horizontal bar, the shaft will bend (B).

98. The bus door says "Get off first, then get on". Please follow the procedure.

99. The basic factors that should be considered in process design are (d) inherent properties and laws.

100. national swimming center "water cube" D. consider the effective use of resources.

10 1. As shown in the figure, the structure of the pedal trash can is schematic, and the connecting rod is replaced by a rope through the pedal D..

102. The human body system is (C). Natural system.

103. Among the following options, the one that does not belong to system optimization is B. Master saw the triangle according to the line.

104. Understanding a control phenomenon, B. Gun

105. The missile is propelled by its own power plant. A. the preset route is constantly revised.

106. A classmate invented a new type of anti-theft lock, and A's non-patented invention is not protected by law.

107. There are three kinds of patents: B. 10 year.

108. The following description of technology is incorrect (b). The tasks of technology and science are the same.

109. We often see that construction workers should put on nylon nets before building external walls. B. Safety

1 10. The following methods about metal processing are wrong: (c) Generally, check the verticality of the filing plane with a steel ruler.

1 1 1. In the classroom activities where problems are found, students ask the following questions. C. Ordinary thermos bottles are fragile when dropped.

1 12. Which of the following design methods is based on association method (a) Artificial fins on divers' feet?

1 13. Xiao Wang designed a dual-purpose desk for students, C. Functional model.

1 14. In public places, people often forget to turn off the tap.

1 15. When we design and analyze products, the first three elements of man-machine relationship should be considered (A). Things, people and safety.

1 16. There is a color-changing luminous door handle, and red means "please wait at work" (d) It is more convenient to transmit information.

1 17. large traffic signs are installed on the pillars, and a. the signs are not easy to fall off.

1 18. The (b) strength of reinforced concrete beams is higher than that of cement beams without steel bars. B. Pressure resistance

1 19. When drying clothes, the usual practice is to tie a soft rope between two columns, a. Bending force and torsion force.

120. Chen Xiaoli wants to assemble a product, but she doesn't know the order of assembly. Assembly flow chart.

12 1. Stir-fry the same dish. If iodized salt is put before cooking, (b) improve the quality of life.

122. Xiao Qiang's wooden desktop has been seriously painted, (a) planed → polished → painted.

123. among the following, B. forest belongs to natural system.

124. In alloy steel materials, carbon content affects the strength of steel.

125. Among the following control systems, (c) is not a closed-loop control system. Infrared automatic door control.

126. Demand is the power source of design, and the essence of design is a process of (C). C. technological innovation

127. Physics, geometry and C are needed to make schoolbags.

128. Wang Yong invented the "convenient pen container", and B. did not apply for a patent.

129. Some people say: "Technology and its application are a bit like hammers and the use of hammers. C. scientific and rational use of technology.

130. the new fast food box is made of cereal straw, D. the principle of sustainable development.

13 1. When Zhou Kai takes a bath in the school bathroom, D. Reducing the water output of the water pipe and opening the hot water valve is not enough to burn people.

132. Among the following designs, C. Design desks with different heights according to the height of students.

134. The following objects are not standard (D) steamed bread.

135. drivers in motorcycle accidents C. qualified helmets are good shell structures, and hard shells can effectively protect the head.

136. The following problems can be explained by the stability of the stressed structure: B. The billboard was blown down by the typhoon.

137. We often see that the bracket behind the roadside billboard is a triangular structure, and B. The shape is 138. The operation of connecting the wire to the socket is shown in the figure. The correct operation process is B.⑤→ ②→ ①→→→ ④→ ③.

139. technical points to be considered in the construction of sound insulation wall C. from the perspective of system optimization, the investment should be minimized.

140. "Three heads are better than one Zhuge Liang"

14 1. The following figure shows the block diagram of the automatic door control system. The following statement is correct: B. The automatic door control system is open-loop control.

142. Solar water heater is a device that uses solar energy to heat water. C. foreign bodies are deposited at the bottom of the collecting tube.

143. China's intellectual property protection system protects inventors' creations and gives them certain rights and interests. A. Management power

144. The development of mobile phones is changing with each passing day. (1) Technology is constantly innovating.

155. In the era of energy crisis, there is an electric car that can run on wind and solar energy.

156. After a person completes an invention, (d) the Patent Office grants him a patent right and issues a patent certificate.

157. The technicians of a company found that there was "water-injected meat" in the market. C. Observing daily life

158. After a classmate made a desk lamp, B. Plug the plug of the desk lamp into the power socket to see if the light bulb is in good contact with the socket of the lamp holder.

159. Bicycles of various shapes, a. Man-machine relationship

160. In order to make the metal workpiece conform to the design requirements of shape and roughness, C.①④ ④.

16 1. Technical language is a unique language form of information exchange in technical activities. C. technical drawings

162. The following does not reflect the strength of the structure: (d) The included angle between the bicycle support frame and the ground is too large, and the bicycle falls.

163. A classmate performed a program of walking on a light bulb at the New Year's party. B. Because the light bulb is a shell structure, it can bear great external force.

164. "airbags and adult seat belts equipped in the car may pose safety hazards to children" B.233.

165. The mobile phone with MP4 function is required to play video programs for a long time. A. design innovation promotes technological development.

166. Humans have experienced manual processing of parts with simple tools. B. Technological innovation

167. In recent years, carbon sink forests have been actively built in various parts of China. C. It embodies the friendly relationship that people rely on technology to use and transform nature and live in harmony with nature.

168. 1769, Watt is innovative on the basis of a large number of experiments.

169.a product consists of mop and washing bucket, D. quality of washing bucket.

170. Automobile explosion-proof film, strong adsorption, D. Safety goal

17 1. cutting is a link in garment processing, and C. improving efficiency.

172. In the following figure, what is not the flow chart is (d) three views of the part.

173. The similarity between workflow and technical process lies in: (a) a series of continuous and regular activities.

174. Block diagram of body temperature control system, as shown in the figure, the following are correct: (a) The body temperature control system is closed-loop control.

175. The development of network technology gave birth to the emergence of multimedia tools. A. design innovation is closely related to technological development.

176. Now there is a phenomenon of patent squatting in society, B. Possession

177. Wang Xin invented a multifunctional miniature emergency alarm. Apply for a patent in the local intellectual property office.

178. Xiao Wang fantasizes about transforming his ordinary mobile phone, B. Function expansion.

179. As shown in Figure A. When the water temperature exceeds 36℃, the black safety button in the bathtub will turn white.

180. Wang Feng is going to make an iron gate for his yard with iron pipes. B. Hinged connection

18 1. In the refrigerator manufacturing industry, a. The principle of sustainable development

182. As shown in the figure, it is a cart used to transport tools in a special classroom for general technology. The use function of the tool.

183. The picture shows the sketch of the multifunctional pencil case. D, the support plate and the photo frame are connected by steel.

184. In the general technology class, a class had a structural design and production competition: B. Triangular structure was adopted.

185. The picture shows the coffee mill. D, according to the function and relationship of each part of the coffee mill, study the causes of slippage.

186. Although the predecessors did not understand the system theory, they applied it unconsciously. B. Aswan Dam

187.at the beginning of 2008, the southern part of China suffered a once-in-a-century snowstorm. The purpose of the transmission system is unclear.

188. The children are playing table tennis with chopsticks. A. chopsticks, brain and hands.

189. Chang 'e-1 satellite platform fully inherits C. Technological innovation

190. Professor Fan, a famous Chinese doctor, thinks that health care should pay attention to "four seasons", and B. There are two sides.

19 1. The following misunderstanding about general technology is (a). General technology is widely used in daily life and has a wide range of transfer value for students' development.

192. The steps to apply for a patent right are: (b) B.①→→→→→→⑤.

193. A toy manufacturer designed and produced a lively and lovely plush doll D. Psychological needs

194. The students made a clothes rack.

195. As shown in the figure, it is a stationery box designed by a classmate, C.①② ② ②.

196. Technical treatment of raw materials and semi-finished products with tools and equipment D. Technology

197. In the mold given below, the correct left view corresponding to the front view is (b).

198. The shopping guide for the blind as shown in the figure consists of a ring and an earphone. C. information interaction.

199. China mobile starts with the establishment of service system, and D. quality optimization.

200. Agricultural products logistics includes agricultural products processing. D. Build more warehouses to store agricultural products for a longer period of time.

20 1. As shown in the figure, it is an agricultural tool for harvesting crops-sickle, (b) b.①→→→→→→②.

202. A. Disk drive (structure diagram as shown in Figure A) reads data, D. Motor.

203. A disk drive (structure as shown in figure A) reads data, a. The length of the support arm.

204. The following statement about the relationship between technology and design is wrong: B. Design is the platform of technology. Without design as the basis, technology will be difficult to express and realize.

205. In this course, general technology refers to C. technology, which is basic and universal.

206. Ray will design a class propaganda lamp and a light bulb production process.

207. Huang Daopo, a famous textile worker in the Yuan Dynasty, attached great importance to the testing procedures of each link in the textile process. B. Test the raw materials used before weaving.

208. American Taylor's "tackle operation test" (C) is efficient.

209. The picture on the right is the front view and left view of a three-dimensional figure composed of four identical cubes, (c).

2 10. The staff completed the design of a part and drew various drawings, (c)

2 1 1. As shown in the picture, a farmer draws water from a well, C. Torsion (torque))

2 12.2008 Beijing Olympic Games video broadcast uses computer technology to realize digital signal transmission, C.

2 13. Regarding the control system, the following statement is correct: (a). A simple control system consists of two parts, namely the controlled object and the control device.

2 14. In the air conditioning temperature control system, the AC power supply voltage is unstable.

2 15. A scientist invented a high-performance automatic fish catcher. D. the main body of fishing activities is people.

2 16. China's wireless communication network has to pay huge fees every year because of the use of foreign technology. D. Patentability

2 17. Xiao Kai bought a rechargeable flashlight. C read the product manual carefully to ensure the correct use of the product.

2 18. Simulation of the scene effect of Mars probe Spirit landing on the surface of Mars by computer B. Virtual test method

2 19. The dimensions shown below are accurate (D)

220. Chen Xiaoli is going to buy a hand warmer to keep warm. C. novel design and beautiful appearance.

22 1. Hang things with the same weight on a bamboo pole and a brittle plastic pole with the same size. A. Materials

222. "If you lose your chess piece, protect your car" and "an careless move", B. Relevance

223. As shown in the figure, it is automatic control faucet, a. Open-loop control.

224. In the process of technical design, C. Comprehensive

225. As shown in the figure, the angle steel is sawed with a hacksaw, and the sawing operation conforms to the specification (A).

226. At the school sports meeting, a classmate found that many students didn't like to sit in the stands and watch the game. (a) put forward the design topic, clear design requirements.

227. Office space processing should be concise and lively D. Psychological needs

228. As shown in the picture, the outdoor sorting trash can designed by Qian Dandan is C, and the inner barrel is made of anticorrosive materials. 229. Computers are inseparable from various operating systems and belong to D. abstract systems.

230. As shown in the figure is an automatic control faucet, (a)

In 23 1. 1884, wortmann designed a pen with a capillary to supply ink. B. technical update has an important impact on design. 232. The picture on the right is a geometry composed of five identical small cubes, and the top view is (D).

233. In the general technology class, Mr. Wang asked the students to design and make a desk lamp for them. (d) The design reflects that there are no restrictions on the design of desk lamps in Wang Kai.

1, as shown in the figure, is the expressway vehicle speed monitoring system, and the speed radar measures the vehicle speed. C, camera.

2. The reducer shown in the figure is a common mechanical part. In order to judge its internal fault A, the engineer adopted the black box method.

3. The emergence and development of technology meet people's needs. A. develop, liberate and protect people.

4. As shown in the picture, it is a robot designed for Shanghai World Expo. A. information interaction between man and machine is realized.

5. The picture shows a bowl with a handle. The design of the handle mainly reflects the practical principles of the design.

6. Zhou Wen drilled a hole with a twist drill, and the shape of the hole after cutting should be B.

7. Zhang Ming uses a thin iron plate to process the parts as shown in the figure. B. Holding a thin iron plate in the left hand and sawing with a hand saw in the right hand. Push the saw and press it, and pull it back without pressing it.

8. A student found that the light bulb at home didn't work, so he overhauled the wiring. B, reduce power outages, optimize the process time limit for a project.

9. As the picture shows, it is a mobile blackboard. B. increase the quality of the blackboard chassis.

10, as shown in the figure, is the workflow of a company recruiting employees. B. reply to the applicant.

1 1 Xiao Wang broke the saw blade in the process of sawing wood. B remove the broken saw blade → unscrew the nut → install a new saw blade → tighten the nut.

12, Tiananmen Square (pictured) A. The portrait of Chairman Mao hanging on the rostrum and the huge slogans on both sides give the ancient Tiananmen Square a sense of the times.

13, Walter WANG made a small bench D to improve stability and strength.

14. Among the following common tools, D is just connected.

As shown in the figure, 15 is a flexible wiring socket. B the socket is sealed in an insulating sheath, which is safe and convenient to maintain.

16 as shown in the figure, the orthographic projection of a cylinder with a plane section is a.

17, Li Li designed a mop for the classroom. C, mop and mop handle welding, to prevent falling off.

18, human demand for electricity is increasing, a, solar power generation, wind power generation, nuclear power generation.

19, the intellectual property system embodies D. The intellectual property system can make inventions get the greatest economic benefits.

20. At present, automobiles are generally equipped with airbags. D. protect passengers in case of collision.