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题库 / Prep2007E1-SC-39
The Sports Medicine Programs of the Olympic Training Center, a complex where final tryouts are held for athletes representing the United States in the Olympics, is geared toward enhancing athletes' performance and toward their preparation for international competition.
is geared toward enhancing athletes' performance and toward their preparation
is geared to enhance the performance of athletes and to prepare them
are geared to enhance athletes' performance and their preparation
are geared toward the enhancement of athletes' performance and toward preparing them
are geared toward enhancing the performance of athletes and preparing them
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C和E的差别在于句意的差别，可以说gear to enhace the performance,但是说gear to enhace their preparartion就有点奇怪，怎么提高准备？
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