Sports competitions require athletes to be "higher, faster, and stronger" and "move forward", but there is a kind of competition that can only be pushed back. What kind of competition is this?
What can make ice turn into water quickly?
There are two bridges on a river, one is high and the other is low. Why is the high one flooded twice a year, but the low one is only flooded once?
Who is the tiger's brother?
Who likes to chew words best?
The three of them walked on the street with a small umbrella, but they didn't get wet. Why?
There is a road that runs in all directions, but you can't leave. Why?
The younger brother proudly said to his sister: There is a place in the family, only I can sit, you can never sit, what is the younger brother talking about?
There are 6 steamed buns in the basin, and each of the 6 children is given one, but there is still one in the basin. Why?
The kindergarten was over, but none of the children went out through the gate. What happened?
What has no weight, but everyone can see that if you put it in a bucket, it can make the bucket lighter. What is it?
What gives it food, it can live, give it water, it will die? Who is it?