In modern conditions of instability and changes in the factors of the environment of the functioning of many business structures, the construction of their management systems is becoming more complicated; the issue of the conceptual principles of enterprise management is becoming especially important. The conducted research is aimed at substantiating the conceptual principles of enterprise management, defining tasks, and developing recommendations for increasing the efficiency of business processes, strengthening economic potential, and ensuring adaptation to modern challenges. It was determined that under the enterprise management system, it is advisable to consider the methods of influence and interaction between the subject and the object of management, which is based on compliance with principles, using methods, and performing functions in order to achieve the set goals and fulfill the tasks of the enterprise’s activities. The authors proposed a structure of procedural support for building an enterprise management system, which includes. The study developed a system of principles for building organizational structures for managing the activities of enterprises. The main principles of organizing the process of managing a production enterprise include achieving economic efficiency, personal material interest, single leadership, self-management, proportionality, and systematicity. The main recommendations for improving the efficiency of business processes and ensuring adaptation to modern challenges include: the use of digital platforms for promoting the corporate mission, vision and values; the creation of interactive employee training programs; the use of analytical tools for collecting and analyzing data; forecasting market trends and modeling development scenarios; the implementation of systems for integrating key enterprise functions; the use of specialized platforms for risk assessment; building a culture of innovation; methodological support for monitoring the results of the implementation of digital tools; the integration of environmental and social initiatives into all levels of management.

With the development of globalization, the importance of multiculturalism in university English education is becoming more and more prominent. This paper discusses the problems related to the teaching innovation of university English education from the perspective of multiculturalism. Firstly, it introduces the concept and significance of multicultural education and emphasizes its importance to university English education. Secondly, it analyzes the problems existing in the current university English teaching, such as cultural prejudice and language barrier. Then, innovative strategies for multicultural teaching are proposed, including teacher training, textbook design, teaching activities and so on. Finally, the evaluation and future development of multicultural education are prospected.

Tennis, as an important project of sports, has an obvious role in cultivating students' physical quality, observation ability and reaction speed. Under the background that the country attaches great importance to students' physical literacy, the traditional single and passive teaching has been unable to meet the practical needs, so it is necessary to strengthen the innovation of teaching methods. With the recognition of many teachers, the teaching method of "combining competition and practice" has been continuously promoted. The paper takes the combination of competition and practice as the teaching mode, and studies the teaching of college tennis sports.

Children have an innate curiosity and desire to explore. Curiosity, easy to ask, good exploration is the age characteristics of children, inquiry is not only the goal of children's scientific learning, but also the way of children's scientific learning. Phenomenon of nature and the real things in life and also children explore the vivid content in the mixed age club, so when mixed age club activities from the Angle of view of the child, with various kinds of way to carry out exploratory area activities, around the child's interest, with the advanced type questions as clues of mixed age club inquiry activity, inspire children's bold, independent to participate in class activities, Really become a small host of activities.