One of the central preoccupations of the arts and humanities is the observation of human beings（段落主题句）. Painters and sculptors create images of the human form;writers tell stories or compose poems about human experience; Musical artists give melodic contours to the human spirit; historians and philosophers ponder the essential qualities of human civilization and nature（拓展句用实例说明主题）. And in our own lives, in our own ways, we spend a great deal of our energy and attention on our fellow creatures, being in families and other kinds of relationships, observing people with curiosity and interest in the course of the day, thinking about and forming our own character, deciding what kind of person we wish to be as we grow（拓展句用实例说明主题）
To get the most out of his textbooks, a student should follow several steps very carefully. First, he should make a preliminary survey of each book to get a general idea of what the book contains. Second, he should read for deeper understanding and formulate questions as he reads. Next, he should make notes of the major points of each chapter. After that, he should test himself to be sure that he can answer questions likely to be raised in class and in examinations. Finally, he should review his notes and reread any parts of the book that are unclear to him.
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