7. What is the smallest bridge in the world? (世界上最小的橋梁是什么？)
8. What is the difference between the North Pole and the South Pole? (北極與南極的區別是什么？)
9. What makes naughty boys long to work in a clock factory? (淘氣的男孩為什么想去鐘表廠工作？)
腦筋急轉彎大全及答案：7. The bridge of a nose. (鼻梁)
8. A whole world. (整個世界。 a world of difference 天壤之別)
9. They want to make faces. (make face 做鬼臉，做鐘表面)