脑筋急转弯

What always goes up and never goes down? (什么东西只升不降？)

What will you break once you say it? 什么东西一说出来就打破？

Will liars be honest after they die? 骗子死了之后会诚实吗？

Can a kangaroo jump higher than the Empire State Building? 袋鼠能跳得比帝国大厦高吗？

Why did the boy make his dog sit in the sun? 男孩为什么让他的狗坐在阳光下？

What makes naughty boys long to work in a clock factory? 淘气的男孩为什么想去钟表厂工作？