1.What is full of holes but can still hold water?
什么东西全是洞，但还能装水？
2.What has to be broken before you can use it?
什么东西在你使用之前必须打破？
3.Which letter of the alphabet has the most water?
字母表中哪个字母含有最多的水？
4.What begins and has no end?
什么东西开始了却没有结束？
5.What is as light as a feather, but even the world's strongest man couldn't hold it for more than a minute?
什么东西轻如鸿毛，但即使是世界上最强壮的人也不能持有超过一分钟？
6.What goes up and never comes down?
什么东西只升不降？
7.What goes in the water black and comes out red?
什么东西进水是黑色的，出水变红色？
8.What has cities but no houses, forests but no trees, and rivers but no water?
什么东西有城市但没有房子，有森林但没有树木，有河流但没有水？
答案稍后公布。
