1.What gets larger, the more you take away? 什么东西你拿走越多,反而越大?
2.What goes on four legs in the morning, on two at noon, and on three in the evening? 什么走路开始用四条腿,后来用两条腿,最后用三条腿?
3.What do we get if we cross a woodpecker with a homing pigeon? 把一只啄木鸟和一只识途的鸽子融合在一起,会得到什么?
4.Where does afternoon come before morning in the world? 世界上哪个地方下午比早上先到?
5.Can you tell me some thing about the great scientists of the 18th century? 你能告诉我一些18世纪伟大科学家的事吗?