单项选择题

A．further actions to force speeds up
B．further actions to force speeds down
C．no further actions to force speeds up
D．no further actions to force speeds down
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单项选择题
A．the spectators and officialsB．the carsC．the sports starsD．All of the above
A．the spectators and officials
B．the cars
C．the sports stars
D．All of the above
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A．Pulleta Gopichand.B．Peter Gade.C．Chen Hong.D．Prakash Padukon
A．Pulleta Gopichand.
B．Peter Gade.
C．Chen Hong.
D．Prakash Padukon
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