Professor Ni believes that cooperation with foreign advanced technology can be considered in the field of engineering technology in China, but any project involving "dirty" technology will never be controlled by others. Many domestic network security construction projects involve information core technology. If we introduce foreign advanced technology in an all-round way without making efforts to innovate independently. China's network security will be seriously threatened.

According to Professor Ni's description, which of the following can be drawn?

(1) Some domestic network security construction projects cannot be controlled artificially.

(b) All projects in the field of engineering technology in China cannot be controlled by people.

(c) If independent innovation can be realized, China's network security will not be seriously threatened.

(d) Many domestic network security construction projects cannot cooperate with foreign advanced technologies.

(5) As long as foreign advanced technology is not fully introduced, China's network security will not be seriously threatened.

27. No result can appear out of thin air, and there are reasons behind it: anything with reasons behind it can be recognized by people, and what can be recognized by people is not necessarily irregular.

(a) Any result can be recognized.

(b) There is a reason behind any result.

(c) Some results may appear irregularly.

(d) Things that can be recognized must be regular.

People may know everything.

28. In recent years, China's overseas purchasing business has grown rapidly. Buyers usually buy products from overseas, evade tariffs through various channels, and then sell them to mainland customers for profit, but the government loses taxes. An expert pointed out that the government should crack down on overseas purchasing. Support?

(a) Recently, a flight attendant was convicted of smuggling by a local court in China for opening an overseas purchasing shop online.

(b) Compared with products purchased overseas, similar products produced by some domestic enterprises lack competitive advantages in quality and price.

(3) Overseas purchasing has improved people's living standards and met the greatest demand of some people in China for quality life.

(d) Last year, the scale of overseas purchasing of luxury goods in China was almost half of the global sales of luxury goods and domestic stores, and most of these transactions avoided tariffs.

(5) Promoting domestic consumption demand is an economic phenomenon accompanying the economic development of China, and we should take this opportunity to promote the upgrading of domestic similar consumer goods industries.

29. In order to match the plot, four types of characters were recruited, 1-2 foreign tourists, 2-3 shoppers, 2 vendors and a number of passers-by, a, b, c, d, e and f, and each person can only play one role in the same scene. Known:

Only A and B can play foreign tourists.

(2) Each scene has at least three categories.

(3) In each scenario, B or D (business) → A and C (procurement)

(4) The sum of shoppers and passers-by in each scene is ≤2.

(a) In the same scene, E and Ji (Lu) → A can only play foreign tourists.

(b) In the same scene, from self (foreign tourists) to A (enterprise)

(c) At least two people have played different roles in different performances.

(d) A, B, C and D will not appear in the same scene.

(e) D or E (purchase) → B can only play with foreign tourists.

30. Schools 300 meters away from home cannot go to school, but they are arranged to study in schools 2 kilometers away. A city believes that school-age children met such an arrangement from the local education bureau when they were in primary school, and this arrangement was made by the district education bureau according to the rescue area where the children's household registration was located. According to the "principle of admission to the nearest school" stipulated by the Municipal Education Bureau, the parents of the children took the District Education Bureau to court, demanding that the original arrangement be cancelled and other children be admitted to the nearest school. The court made a judgment of first instance and rejected the plaintiff's request.

Which of the following is most likely to be a reasonable basis for the court?

(A) "nearest school" is not "recent school", and the straight-line distance between the place where the household registration is located and the school where the accompanying children attend cannot be used as the only basis for dividing teaching areas.

(2) According to the specific geographical factors, every primary school in the teaching area is not necessarily located in the middle of the teaching area.

(c) The study on which school children should attend is not made by school-age children or their parents themselves, but by the administrative arrangement of the competent government departments.

(D) "Admission to the nearest school" is only a general principle that should be followed, and the specific arrangements for children's admission should be flexible according to the specific circumstances.

(e) The administrative act of going to the Education Bureau to divide the teaching area conforms to the law, and the teaching area where the plaintiff's children are registered really needs to go to a school 2 kilometers away from home.