[多选题]全面质量管理是“为了能够在最经济的水平上、并考虑到充分满足顾客要求的条件下进行( )和提供( )，并把企业各部门在研制质量、( )和( )方面的活动构成为一体的一种有效体系”
A.生产
B.服务
C.维持质量
D.提高质量

Kindergarten students are typically four or five years of age. In class, they are introduced to the alphabet, numbers, and colors; they study their bodies, their, families, and their communities; they listen to stories lead aloud; they make art projects; and they learn about holidays, plants, animals, and other topics in science and social studies. Some kindergartens also teach introductory reading and mathematical skills. Kindergartens tend to offer children a foundation for the development of social skills, self-confidence, motivation, and the process of knowing.
The first kindergarten was started by German educator Friedrich Froebel in 1837 in Blankenburg, Prussia (now part of Germany). Froebel chose the German term kindergarten (children’s garden) because he intended children in his school to grow as freely as flowers in a garden. Frocbel’s kindergarten was based on the then idea that children’s play was significant. At the time. almost no ch
A. kindergarten programs emphasize creative play, social interaction, and natural expression
B. they also teach social skills and provide children with an academic foundation for first grade
C. kindergartens tend to offer children a foundation for the development of social skills, self-confidence, motivation, and the process of knowing
D. kindergarten is the entering-class level of elementary school or the last year of preschool