这是2013年全国小学生英语竞赛的小学四年级组初赛赛题测的智力测试,考完后,不仅有这个不懂,还有

这是2013年全国小学生英语竞赛的小学四年级组初赛赛题测的智力测试,考完后,不仅有这个不懂,还有
1、Sometimes it looks like a boat.Sometimes it looks like a small white sun.What is it?
2、Tom is the best student in our class.And he always thinks on his feet to answer questions.Teachers like him very muck."Think on his feet"means（）in Chinese.
A、迅速做出反应 B、用脚思考 C、不爱思考.
还有Arms on six men除legs on a chair=?