B．She motivated students to learn music with her creativity.

　　C．She has taught music at the elementary school for 22 years.

　　D．She made great efforts to arouse students' interest in literature.

　　答案　B　[推理判断题。文章主要讲了Peterson用自己的独特的创造思维将音乐融入课堂，从而极大激发了学生的学习兴趣，为此她才获得了这种荣誉，故B为答案。]

　　47．Which of the following is an example of Peterson's way of teaching music?

　　A．She wrote plays on themes of race, equality and social justice.

　　B．She made use of the contents of other classes in her teaching.

　　C．She organized classroom discussions about Broadway tunes.

　　D．She helped students compose songs by themselves.

　　答案　B　[细节理解题。由第四段中she has introduced the learning from other classrooms into her music program可知与B吻合。]

　　D

　　Healthy knees aren't the main consideration in choosing high heels, but new research says chunky heels are just as bad for the knees as spindly stilettos(细高跟鞋)．“It takes a long time to feel the effects of knee osteoarthritis(骨关节炎)—and once you do it, it is too late，” said Dr. Casey Kerrigan, leading researcher of the study and associate professor at Harvard Medical School's department of physical medicine.“I compare it to smoking—one cigarette is not painful, but over a lifetime it is. Wide­heeled shoes feel comfortable, so women wear them all day long，” Kerrigan said.“They are better for your feet than stiletto heels, but just as bad for your knees.”

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