单词拼写。根据英语首字母或所给汉语提示写出短文中所缺单词的正确形式。（共5小题，计五分）
People all over the world enjoy sports. Sports help people keep healthy and happy. Sports     1    (改变) with seasons. People play different sports in summer and winter. Swimming is     2    p______________ in all countries near the sea or in those with many rivers(河), because it’s a cool activity for    3    h____________ weather. During the snowing winter, skating on the     4    i____________ is a better choice(选择).
Some sports or games go back thousands of years, like running and jumping. But basketball is quite new. People are     5    (发明) new sports or games all the time.