把质量是0.2kg的小球放在竖直的弹簧上，将小球往下按至A的位置，如图甲所示．迅速松手后，球升高至最高位置C（图丙），途中经过位置B时弹簧正好处于原长（图乙）．已知B、A的高度差为0.1m，C、B的高度差为0.15m，弹簧的质量和空气阻力均可忽略，g取10m/s²．小球从A运动到C的过程中，弹簧的弹性势能的最大值为____ J，小球在B处的动能是____ J．

阅读下面材料，有的答案要填入适当的内容，有的答案要用括号内单词的正确形式，但每个答案不多于3个单词。

    Today，the ____（popular） of basketball has risen around the world，with many young people dreaming ____becming famous player．In China，you ____（see）people playing basketball now and then in parks，schools and even ____（factory）．Basketball has not onlu become a pilular sport to play，but it has ____become a popular sport to watch．Although America's NBA games are ____（famous） in the world，the CBA games are becoming more popular in China．____number of foreign players，including Chinese players，in the NBA has increased．There ____also more and more foreign players in the CBA．Many young people look up to these basketball heroes and want to become like ____（they ）These  stars encourage  young people____（work ） hard  to achieve their dreams．