理解重点句子

1.In the early decades of the 20th century，hospital started to segregate patients according to their disease process，nurses were called on to acquire expert knowledge in the care of specific patient types，such as the care of newborn infants，maternity patients，or the mentally ill，or for duties in the operating room.

2.From its early days to the present，nursing has undergone major changes in every area. Rapidstrides have been made in nursing education programs and in a wide variety of hospitals and community  nursing services. Throughout these changes，nursing has continued to provide a stable service for people. 

3.With the development of science and technology as well as the improvement of people’s living standards， nursing practice scopes will be expanded gradually，setting higher requirements for nurses.

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