Cloze Different systems of ballet training have developed, named after countries

Cloze

Different systems of ballet training have developed, named after countries(Russia, France)or teachers(Italian dancer Enrico Cecchetti, Danish choreographer(舞蹈指导)August Bournonville)．These systems, 1 , differ more in style and emphasis than in the actual 2 taught．

The best 3 to begin a serious study of ballet is eight to ten for girls; boys may begin somewhat later．Younger children may be harmed by the strenuous 4 demands of a ballet class, and older children gradually lose the 5 required to attain good results．Girls usually begin pointe(足尖舞)work after three years of training．6 training is begun after the late teens, it is probably unrealistic to hope for a professional career．

7 dancers, no matter how experienced or proficient, take daily class to keep their bodies easy to bent and strong．Most ballet classes begin with exercises at the barre, a round horizontal bar that the dancer holds onto for support．These exercises 8 and stretch the muscles, work the tendons(腱，筋)to make them easily bent, and loosen the 9．The second part of the class is done without the support of the barre and is called center practice．It usually begins with slow, sustained exercises that develop the dancer's sense of 10 and fluidity of movement．Slow exercises are followed by quick movements, beginning with small jumps and beats and progressing to large traveling steps, turns, and leaps．Class generally lasts an hour and a half．

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