请大家帮我回答几道英语智力题

题目

请大家帮我回答几道英语智力题
1、What always goes up and never goes down?
2、Why did the boy make his dog sit in the sun?
3、What is the difference between the North Pole and the South Pole?
4、What is the smallest bridge in the world?（这个我觉得答案有可能是Cambridge,
说明原因

答案

1.ages（年龄）
2.He wants to have a hot dog.(他想要一条热狗.)
3.A whole world.(整个世界.a world of difference 天壤之别)
4.The bridge of a nose(鼻梁）
100%正确