1. What are several things you can always count on
2. If 5 dogs are chasing a can down the street, What time is it?
3. Which travels faster, heat or cold?
4. How do you make a slow horse fast?
5. Who is the strongest man in the world?
6. What's the difference between ignorance(无知) and apathy(冷漠)?
7. Who is safe when a man-eating tiger is on the loose?
8. Why is the letter u the happiest letter?
9. Is it better to have a lion eat you, or a tiger?
10. What will happen when you and I are gone?
11. What is the difference between one yard(院子,码) and two yards?
12. Why are fish considered well-educated?
13. When is the doctor most annoyed(骚扰、使苦恼)?
14. What grows larger the more you take from it?