问题补充：
It is learnt from the experiences that kids get much more than just keeping fit when they play sports. Many people think that sports will waste time, and kids will not concentrate on their studies. 【小题1】 . Exercise improves memory, learning and concentration, which can give active kids an advantage in classrooms.
Children who play sports learn more about team work. They start learning the importance of working together. 【小题2】, and how much one should struggle (努力) to reach that goal. Playing sports builds confidence and a positive attitude within kids.
【小题3】, and help them to be more social. This practice makes them mentally and physically strong, which keeps their mind healthy. Martial arts (武术) can teach kids patience.【小题4】, and it makes them stronger mentally.
A.Children also learn from sports how to set a goal in life
B.However, kids who play sports do better in school
C.Swimming can make their shoulders very strong
D.Children who play sports usually waste their time
E.Besides, sports help kids to make new friends
B
答案：
(答案→)B
解析：这篇短文主要介绍了体育运动对于孩子成长的好处。
【小题1】联系前一句，许多人认为运动会浪费时间，孩子们会因此不能集中注意力于学习上。及下文，锻炼提升智力，……可知选B，然而，做运动的孩子们在学校做的很好、
【小题2】联系前文，他们开始学到合作的重要性，及后半句，达到目标需要多少努力。可知选A，孩子们也能从运动中学到怎样在生活中确立目标。
【小题3】联系下文，并且有助于他们更善于社交。可知选E，此外，运动有助于孩子交到新的朋友。
【小题4】联系前文，武术能教给孩子们耐心。可知选C，游泳能让他们的肩膀更强壮。
