11. A ship can contain only fifty persons. Now there is alreadyforty-nine persons in it. At this time,a pregnant woman comes on andboards the ship. The shipsinks.Why?

(有一艘船只能容纳50人，现在已有49人。这时一位孕妇上了船，船就沉了。为什么?)

Because is a pigbot. (那是潜水艇。pigbot，潜水艇)

12. What's the poorest bank in the world? (世界的最贫穷的银行是什么?)

The river bank。(河岸。)