Which of the following contributes to the better control of the balls?（　　）

A．Greater frictio

B．More ownership

C．Stronger affection

D．Fewer investigation

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1 When is it harder for an NBA player to hold onto a synthetic ball?（　　）

A．When the ball is dried with a towe

B．When the ball is wetted by wate

C．When tests are done on the bal

D．When sweating sticks to the bal

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2 In the last paragraph ,”that’s just the way the ball bounces” probably means_____.（　　）

A．tradition offers the best choice

B．the ball bounces ass best it can

C．the NBA made a mistake

D．the ball bounces perfectly

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