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GRE阅读备考：舞蹈物理动作分析

2020-07-08 08:15:19来源：网络

　　为了帮助大家高效备考GRE，新东方在线GRE频道为大家带来GRE阅读备考：舞蹈物理动作分析，希望对大家GRE备考有所帮助。更多精彩尽请关注新东方在线GRE频道!

　　舞蹈物理动作分析

　　Analyzing the physics of dance can add fundamentally to a dancer’s s kill. Although dancers seldom see themselves totally in physical term s —as body mass moving through space under the influence of well-known forces and obeying physical laws —neither can they afford to ignore the physics of movement. For example, no matter how much a dancer wishes to leap off the floor and then s tart turning, the law of conservation of angular momentum absolutely prevents such a movement.

　　Some movements involving primarily vertical or horizontal motions of the body as a whole, in which rotations can be ignored, can be studied using simple equations of linear motion in three dimensions . However, rotational motions require more complex approaches that involve analyses of the way the body’s m as s is distributed, the axes of rotation involved in different types of m t, and the sources of the forces that produce the rotational movement.

　　26.1 The primary purpose of the pas s age is to

　　(A) initiate a debate over two approaches to analyzing a field of study

　　(B) describe how one field of knowledge can be applied to another field

　　(C) point out the contradictions between two distinct theories

　　(D) define and elaborate on an accepted scientific principle

　　(E) discuss the application of a new theory within a new setting

　　26.2. The author mentions all of the following as contributing to an understanding of the physics of dance EXCEPT:

　　(A) the law of conservation of angular momentum

　　(B) analyses of the way in which the body’s m as s is distributed

　　(C) equations of linear motion in three dimensions

　　(D) analyses of the sources that produce rotational motions

　　(E) the technical term s form ovements such as leaps and turns

　　26.3.The author implies that dancers can become more s killed by doing which of the following?

　　(A) Ignoring rotational movements

　　(B) Understanding the forces that perm it various movements

　　(C) Solving simple linear equations

　　(D) Learning the technical term s utilized by chore**raphers

　　(E) Circumventing the law of conservation of angular momentum

　　26.4.Analysis of which of the following would require the kind of complex approach described in the last sentence?

　　(A) A long leap across space

　　(B) As hort jump upward with a return to the s am e place

　　(C) As us tained and controlled turn in place

　　(D) Short, rapid steps forward and then backward without turning

　　(E) Quick s ides teps in a diagonal line

　　答案：BEBC

　　以上就是关于“GRE阅读备考：舞蹈物理动作分析”的内容，更多精彩内容，请关注GRE频道!


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