Stewarts key instructional point for his receivers was to keep their core muscles tight to obtain good balance and resistance to the velocity of the ball throughout the act of catching and securing the ball.
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【简答题】[程序阅读题] 若 i=10; 则执行下列程序后 , 变量 i 的正确结果为 ( ) 。 switch (i) { case 9:i+=1; case 10:i+=1; case 11:i+=1; default :i+=1; }